./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8 --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 3d679f9e9f2b660e8a3bb8065738c0f2482e8d5a ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8 --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 3d679f9e9f2b660e8a3bb8065738c0f2482e8d5a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.1-dev-4e77c04 [2021-10-13 08:04:47,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:04:47,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:04:47,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:04:47,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:04:47,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:04:47,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:04:47,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:04:47,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:04:47,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:04:47,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:04:47,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:04:47,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:04:47,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:04:47,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:04:47,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:04:47,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:04:47,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:04:47,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:04:47,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:04:47,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:04:47,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:04:47,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:04:47,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:04:47,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:04:47,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:04:47,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:04:47,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:04:47,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:04:47,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:04:47,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:04:47,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:04:47,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:04:47,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:04:47,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:04:47,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:04:47,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:04:47,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:04:47,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:04:47,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:04:47,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:04:47,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:04:47,983 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:04:47,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:04:47,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:04:47,985 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:04:47,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:04:47,985 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:04:47,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:04:47,986 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:04:47,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:04:47,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:04:47,993 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:04:47,994 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:04:47,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:04:47,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:04:47,994 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:04:47,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:04:47,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:04:47,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:04:47,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:04:47,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:04:47,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:04:47,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:04:47,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:04:47,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:04:47,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:04:47,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:04:47,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:04:47,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:04:47,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:04:48,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:04:48,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:04:48,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:04:48,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:04:48,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:04:48,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:04:48,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:04:48,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:04:48,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:04:48,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:04:48,002 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d679f9e9f2b660e8a3bb8065738c0f2482e8d5a [2021-10-13 08:04:48,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:04:48,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:04:48,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:04:48,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:04:48,333 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:04:48,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-10-13 08:04:48,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/9196e7c75/17c1dde71ff3425285a6c7956d5b1e17/FLAG21298422a [2021-10-13 08:04:49,099 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:04:49,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-10-13 08:04:49,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/9196e7c75/17c1dde71ff3425285a6c7956d5b1e17/FLAG21298422a [2021-10-13 08:04:49,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/9196e7c75/17c1dde71ff3425285a6c7956d5b1e17 [2021-10-13 08:04:49,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:04:49,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:04:49,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:49,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:04:49,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:04:49,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:49" (1/1) ... [2021-10-13 08:04:49,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6352f720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:49, skipping insertion in model container [2021-10-13 08:04:49,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:49" (1/1) ... [2021-10-13 08:04:49,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:04:49,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:04:49,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72015,72028] [2021-10-13 08:04:49,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:49,877 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) [2021-10-13 08:04:49,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f0c2675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:49, skipping insertion in model container [2021-10-13 08:04:49,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:49,883 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:04:49,887 INFO L168 Benchmark]: Toolchain (without parser) took 577.16 ms. Allocated memory is still 88.1 MB. Free memory was 48.8 MB in the beginning and 55.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:49,889 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 67.9 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:04:49,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.87 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 55.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:04:49,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 67.9 MB in the beginning and 67.9 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 572.87 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 55.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 12.6 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 0.2.1-dev-4e77c04 [2021-10-13 08:04:52,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:04:52,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:04:52,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:04:52,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:04:52,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:04:52,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:04:52,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:04:52,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:04:52,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:04:52,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:04:52,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:04:52,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:04:52,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:04:52,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:04:52,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:04:52,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:04:52,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:04:52,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:04:52,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:04:52,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:04:52,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:04:52,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:04:52,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:04:52,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:04:52,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:04:52,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:04:52,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:04:52,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:04:52,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:04:52,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:04:52,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:04:52,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:04:52,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:04:52,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:04:52,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:04:52,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:04:52,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:04:52,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:04:52,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:04:52,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:04:52,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:04:52,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:04:52,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:04:52,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:04:52,241 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:04:52,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:04:52,241 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:04:52,242 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:04:52,242 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:04:52,242 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:04:52,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:04:52,245 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:04:52,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:04:52,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:04:52,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:04:52,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:04:52,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:04:52,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:04:52,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:04:52,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:04:52,247 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:04:52,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:04:52,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:04:52,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:04:52,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:04:52,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:04:52,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:04:52,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:04:52,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:04:52,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:04:52,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:04:52,251 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:04:52,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:04:52,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:04:52,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:04:52,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:04:52,252 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d679f9e9f2b660e8a3bb8065738c0f2482e8d5a [2021-10-13 08:04:52,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:04:52,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:04:52,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:04:52,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:04:52,656 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:04:52,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-10-13 08:04:52,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/cb738865b/dd3e6bb259194c23bf1c9801934832b1/FLAG607420bf7 [2021-10-13 08:04:53,281 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:04:53,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-10-13 08:04:53,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/cb738865b/dd3e6bb259194c23bf1c9801934832b1/FLAG607420bf7 [2021-10-13 08:04:53,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/data/cb738865b/dd3e6bb259194c23bf1c9801934832b1 [2021-10-13 08:04:53,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:04:53,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:04:53,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:53,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:04:53,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:04:53,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:53" (1/1) ... [2021-10-13 08:04:53,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d02d405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:53, skipping insertion in model container [2021-10-13 08:04:53,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:04:53" (1/1) ... [2021-10-13 08:04:53,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:04:53,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:04:54,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72015,72028] [2021-10-13 08:04:54,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:54,202 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 08:04:54,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:04:54,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72015,72028] [2021-10-13 08:04:54,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:54,315 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:04:54,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[72015,72028] [2021-10-13 08:04:54,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:04:54,510 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:04:54,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54 WrapperNode [2021-10-13 08:04:54,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:04:54,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:04:54,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:04:54,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:04:54,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:04:54,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:04:54,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:04:54,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:04:54,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:04:54,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:04:54,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:04:54,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:04:54,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (1/1) ... [2021-10-13 08:04:54,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:04:54,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:04:54,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:04:54,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:04:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:04:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 08:04:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:04:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 08:04:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 08:04:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 08:04:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:04:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:04:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 08:04:55,103 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 08:05:04,013 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 08:05:04,013 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 08:05:04,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:05:04,022 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 08:05:04,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:05:04 BoogieIcfgContainer [2021-10-13 08:05:04,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:05:04,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:05:04,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:05:04,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:05:04,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:04:53" (1/3) ... [2021-10-13 08:05:04,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f938a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:05:04, skipping insertion in model container [2021-10-13 08:05:04,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:04:54" (2/3) ... [2021-10-13 08:05:04,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f938a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:05:04, skipping insertion in model container [2021-10-13 08:05:04,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:05:04" (3/3) ... [2021-10-13 08:05:04,035 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2021-10-13 08:05:04,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:05:04,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:05:04,105 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:05:04,110 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 08:05:04,111 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:05:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 08:05:04,138 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:05:04,139 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:05:04,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:05:04,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:05:04,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1430119920, now seen corresponding path program 1 times [2021-10-13 08:05:04,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:05:04,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663321582] [2021-10-13 08:05:04,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:05:04,179 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:05:04,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:05:04,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:05:04,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:05:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:05:04,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:05:04,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:05:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:05:04,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:05:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:05:05,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:05:05,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663321582] [2021-10-13 08:05:05,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663321582] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:05:05,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:05:05,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:05:05,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932456591] [2021-10-13 08:05:05,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:05:05,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:05:05,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:05:05,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:05:05,154 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:05:05,340 INFO L93 Difference]: Finished difference Result 539 states and 915 transitions. [2021-10-13 08:05:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:05:05,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-10-13 08:05:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:05:05,365 INFO L225 Difference]: With dead ends: 539 [2021-10-13 08:05:05,366 INFO L226 Difference]: Without dead ends: 365 [2021-10-13 08:05:05,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:05:05,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-10-13 08:05:05,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2021-10-13 08:05:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.521978021978022) internal successors, (554), 364 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 554 transitions. [2021-10-13 08:05:05,465 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 554 transitions. Word has length 47 [2021-10-13 08:05:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:05:05,466 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 554 transitions. [2021-10-13 08:05:05,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 554 transitions. [2021-10-13 08:05:05,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-13 08:05:05,479 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:05:05,480 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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] [2021-10-13 08:05:05,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:05:05,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:05:05,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:05:05,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:05:05,697 INFO L82 PathProgramCache]: Analyzing trace with hash -430845807, now seen corresponding path program 1 times [2021-10-13 08:05:05,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:05:05,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142504964] [2021-10-13 08:05:05,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:05:05,700 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:05:05,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:05:05,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:05:05,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:05:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:05:06,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:05:06,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:05:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:05:06,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:05:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:05:06,935 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:05:06,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142504964] [2021-10-13 08:05:06,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142504964] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:05:06,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:05:06,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:05:06,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902234796] [2021-10-13 08:05:06,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:05:06,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:05:06,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:05:06,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:05:06,939 INFO L87 Difference]: Start difference. First operand 365 states and 554 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:05:07,312 INFO L93 Difference]: Finished difference Result 836 states and 1275 transitions. [2021-10-13 08:05:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:05:07,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-10-13 08:05:07,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:05:07,318 INFO L225 Difference]: With dead ends: 836 [2021-10-13 08:05:07,318 INFO L226 Difference]: Without dead ends: 600 [2021-10-13 08:05:07,320 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:05:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-10-13 08:05:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-10-13 08:05:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.5175292153589315) internal successors, (909), 599 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 909 transitions. [2021-10-13 08:05:07,355 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 909 transitions. Word has length 105 [2021-10-13 08:05:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:05:07,355 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 909 transitions. [2021-10-13 08:05:07,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 909 transitions. [2021-10-13 08:05:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-13 08:05:07,358 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:05:07,358 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:05:07,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:05:07,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:05:07,577 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:05:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:05:07,578 INFO L82 PathProgramCache]: Analyzing trace with hash 42738551, now seen corresponding path program 1 times [2021-10-13 08:05:07,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:05:07,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789493386] [2021-10-13 08:05:07,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:05:07,580 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:05:07,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:05:07,581 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:05:07,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:05:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:05:08,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 08:05:08,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:05:08,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 08:05:08,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 08:05:08,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:08,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-10-13 08:05:08,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 158 [2021-10-13 08:05:08,953 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-10-13 08:05:08,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 469 treesize of output 441 [2021-10-13 08:05:08,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:08,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-10-13 08:05:09,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 158 [2021-10-13 08:05:09,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 49 [2021-10-13 08:05:09,250 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-10-13 08:05:09,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 13 [2021-10-13 08:05:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:05:09,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-13 08:05:09,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-10-13 08:05:09,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-10-13 08:05:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-10-13 08:05:09,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:05:10,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:10,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-10-13 08:05:10,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:10,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-10-13 08:05:10,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:10,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-10-13 08:05:10,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:10,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2021-10-13 08:05:10,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:10,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-10-13 08:05:10,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:05:10,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 578 [2021-10-13 08:05:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-10-13 08:05:10,691 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:05:10,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789493386] [2021-10-13 08:05:10,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789493386] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:05:10,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:05:10,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 08:05:10,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343461458] [2021-10-13 08:05:10,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:05:10,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:05:10,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:05:10,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:05:10,694 INFO L87 Difference]: Start difference. First operand 600 states and 909 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:05:33,404 INFO L93 Difference]: Finished difference Result 1197 states and 1814 transitions. [2021-10-13 08:05:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 08:05:33,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-10-13 08:05:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:05:33,411 INFO L225 Difference]: With dead ends: 1197 [2021-10-13 08:05:33,412 INFO L226 Difference]: Without dead ends: 600 [2021-10-13 08:05:33,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 256.7ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:05:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-10-13 08:05:33,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-10-13 08:05:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.5158597662771285) internal successors, (908), 599 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 908 transitions. [2021-10-13 08:05:33,477 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 908 transitions. Word has length 127 [2021-10-13 08:05:33,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:05:33,478 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 908 transitions. [2021-10-13 08:05:33,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:05:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 908 transitions. [2021-10-13 08:05:33,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-13 08:05:33,481 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:05:33,481 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:05:33,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:05:33,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:05:33,682 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:05:33,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:05:33,682 INFO L82 PathProgramCache]: Analyzing trace with hash -663858055, now seen corresponding path program 1 times [2021-10-13 08:05:33,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:05:33,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085439622] [2021-10-13 08:05:33,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:05:33,685 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:05:33,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:05:33,686 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:05:33,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:05:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:05:35,400 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 08:05:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:05:37,127 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 08:05:37,128 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 08:05:37,129 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:05:37,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:05:37,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:05:37,361 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:05:37,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:05:37 BoogieIcfgContainer [2021-10-13 08:05:37,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:05:37,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:05:37,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:05:37,554 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:05:37,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:05:04" (3/4) ... [2021-10-13 08:05:37,556 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 08:05:37,687 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:05:37,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:05:37,688 INFO L168 Benchmark]: Toolchain (without parser) took 44152.05 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 57.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 58.0 MB. Max. memory is 16.1 GB. [2021-10-13 08:05:37,689 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 71.3 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:05:37,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.86 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 42.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:05:37,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.06 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 38.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:05:37,690 INFO L168 Benchmark]: Boogie Preprocessor took 123.47 ms. Allocated memory is still 71.3 MB. Free memory was 38.1 MB in the beginning and 30.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:05:37,690 INFO L168 Benchmark]: RCFGBuilder took 9272.67 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 30.9 MB in the beginning and 37.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:05:37,691 INFO L168 Benchmark]: TraceAbstraction took 33525.57 ms. Allocated memory is still 92.3 MB. Free memory was 37.0 MB in the beginning and 36.9 MB in the end (delta: 42.6 kB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:05:37,691 INFO L168 Benchmark]: Witness Printer took 133.69 ms. Allocated memory is still 92.3 MB. Free memory was 36.9 MB in the beginning and 57.9 MB in the end (delta: -21.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-10-13 08:05:37,693 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 71.3 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 973.86 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 42.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.06 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 38.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.47 ms. Allocated memory is still 71.3 MB. Free memory was 38.1 MB in the beginning and 30.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9272.67 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 30.9 MB in the beginning and 37.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33525.57 ms. Allocated memory is still 92.3 MB. Free memory was 37.0 MB in the beginning and 36.9 MB in the end (delta: 42.6 kB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Witness Printer took 133.69 ms. Allocated memory is still 92.3 MB. Free memory was 36.9 MB in the beginning and 57.9 MB in the end (delta: -21.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1724]: 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={-2145378241:0}] [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 [L1078] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1079] s->options = __VERIFIER_nondet_ulong() [L1080] s->verify_mode = __VERIFIER_nondet_int() [L1081] EXPR s->session [L1081] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1082] EXPR s->s3 [L1082] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1083] EXPR s->s3 [L1083] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1084] EXPR s->s3 [L1084] EXPR (s->s3)->tmp.new_cipher [L1084] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1085] EXPR s->s3 [L1085] EXPR (s->s3)->tmp.new_cipher [L1085] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1086] COND FALSE !(__VERIFIER_nondet_int()) [L1092] s->cert = malloc(sizeof(struct cert_st)) [L1093] EXPR s->cert [L1093] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1102] BUF_MEM *buf ; [L1103] unsigned long l ; [L1104] unsigned long Time ; [L1105] unsigned long tmp ; [L1106] void (*cb)() ; [L1107] long num1 ; [L1108] int ret ; [L1109] int new_state ; [L1110] int state ; [L1111] int skip ; [L1112] int got_new_session ; [L1113] int tmp___1 = __VERIFIER_nondet_int() ; [L1114] int tmp___2 = __VERIFIER_nondet_int() ; [L1115] int tmp___3 = __VERIFIER_nondet_int() ; [L1116] int tmp___4 = __VERIFIER_nondet_int() ; [L1117] int tmp___5 = __VERIFIER_nondet_int() ; [L1118] int tmp___6 = __VERIFIER_nondet_int() ; [L1119] int tmp___7 ; [L1120] long tmp___8 = __VERIFIER_nondet_long() ; [L1121] int tmp___9 = __VERIFIER_nondet_int() ; [L1122] int tmp___10 = __VERIFIER_nondet_int() ; [L1123] int blastFlag ; [L1127] blastFlag = 0 [L1128] s->hit=__VERIFIER_nondet_int () [L1129] s->state = 8464 [L1130] tmp = __VERIFIER_nondet_int() [L1131] Time = tmp [L1132] cb = (void (*)())((void *)0) [L1133] ret = -1 [L1134] skip = 0 [L1135] got_new_session = 0 [L1136] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1136] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1137] EXPR s->info_callback [L1137] cb = s->info_callback [L1141] EXPR s->in_handshake [L1141] s->in_handshake += 1 [L1142] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1151] EXPR s->cert VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1151] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1184] COND TRUE s->state == 8464 [L1344] s->shutdown = 0 [L1345] ret = __VERIFIER_nondet_int() [L1346] COND TRUE blastFlag == 0 [L1347] blastFlag = 1 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1351] COND FALSE !(ret <= 0) [L1356] got_new_session = 1 [L1357] s->state = 8496 [L1358] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1683] EXPR s->s3 [L1683] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1683] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1712] skip = 0 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1193] COND TRUE s->state == 8496 [L1362] ret = __VERIFIER_nondet_int() [L1363] COND TRUE blastFlag == 1 [L1364] blastFlag = 2 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1368] COND FALSE !(ret <= 0) [L1373] s->hit VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1373] COND TRUE s->hit [L1374] s->state = 8656 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1378] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1683] EXPR s->s3 [L1683] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1683] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1712] skip = 0 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1193] COND FALSE !(s->state == 8496) [L1196] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1196] COND FALSE !(s->state == 8497) [L1199] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1199] COND FALSE !(s->state == 8512) [L1202] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1202] COND FALSE !(s->state == 8513) [L1205] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1205] COND FALSE !(s->state == 8528) [L1208] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1208] COND FALSE !(s->state == 8529) [L1211] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1211] COND FALSE !(s->state == 8544) [L1214] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1214] COND FALSE !(s->state == 8545) [L1217] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1217] COND FALSE !(s->state == 8560) [L1220] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1220] COND FALSE !(s->state == 8561) [L1223] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1223] COND FALSE !(s->state == 8448) [L1226] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1226] COND FALSE !(s->state == 8576) [L1229] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1229] COND FALSE !(s->state == 8577) [L1232] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1232] COND FALSE !(s->state == 8592) [L1235] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1235] COND FALSE !(s->state == 8593) [L1238] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1238] COND FALSE !(s->state == 8608) [L1241] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1241] COND FALSE !(s->state == 8609) [L1244] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1244] COND FALSE !(s->state == 8640) [L1247] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1247] COND FALSE !(s->state == 8641) [L1250] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1250] COND TRUE s->state == 8656 [L1576] EXPR s->session [L1576] EXPR s->s3 [L1576] EXPR (s->s3)->tmp.new_cipher [L1576] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1577] COND FALSE !(! tmp___9) [L1583] ret = __VERIFIER_nondet_int() [L1584] COND TRUE blastFlag == 2 [L1585] blastFlag = 3 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1589] COND FALSE !(ret <= 0) [L1594] s->state = 8672 [L1595] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1596] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1683] EXPR s->s3 [L1683] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1683] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1712] skip = 0 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1193] COND FALSE !(s->state == 8496) [L1196] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1196] COND FALSE !(s->state == 8497) [L1199] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1199] COND FALSE !(s->state == 8512) [L1202] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1202] COND FALSE !(s->state == 8513) [L1205] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1205] COND FALSE !(s->state == 8528) [L1208] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1208] COND FALSE !(s->state == 8529) [L1211] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1211] COND FALSE !(s->state == 8544) [L1214] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1214] COND FALSE !(s->state == 8545) [L1217] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1217] COND FALSE !(s->state == 8560) [L1220] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1220] COND FALSE !(s->state == 8561) [L1223] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1223] COND FALSE !(s->state == 8448) [L1226] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1226] COND FALSE !(s->state == 8576) [L1229] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1229] COND FALSE !(s->state == 8577) [L1232] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1232] COND FALSE !(s->state == 8592) [L1235] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1235] COND FALSE !(s->state == 8593) [L1238] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1238] COND FALSE !(s->state == 8608) [L1241] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1241] COND FALSE !(s->state == 8609) [L1244] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1244] COND FALSE !(s->state == 8640) [L1247] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1247] COND FALSE !(s->state == 8641) [L1250] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1250] COND FALSE !(s->state == 8656) [L1253] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1253] COND FALSE !(s->state == 8657) [L1256] EXPR s->state VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1256] COND TRUE s->state == 8672 [L1605] ret = __VERIFIER_nondet_int() [L1606] COND TRUE blastFlag == 3 VAL [init=1, SSLv3_server_data={-2145378241:0}] [L1724] reach_error() VAL [init=1, SSLv3_server_data={-2145378241:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33256.1ms, OverallIterations: 4, TraceHistogramMax: 4, EmptinessCheckTime: 30.7ms, AutomataDifference: 23337.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 790 SDtfs, 665 SDslu, 1476 SDs, 0 SdLazy, 374 SolverSat, 20 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 22472.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 554 GetRequests, 541 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 290.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=600occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 178.6ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 217.6ms SsaConstructionTime, 2284.8ms SatisfiabilityAnalysisTime, 3977.6ms InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 552 ConstructedInterpolants, 1 QuantifiedInterpolants, 1223 SizeOfPredicates, 12 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 322/322 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-13 08:05:37,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b4319-0e6f-472c-915f-b478513a8f76/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...