./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE --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 be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 ............................................................................................................................................ 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_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE --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 be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-e943c26 [2021-10-24 10:53:01,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:53:01,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:53:01,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:53:01,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:53:01,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:53:01,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:53:01,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:53:01,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:53:01,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:53:01,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:53:01,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:53:01,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:53:01,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:53:01,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:53:01,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:53:01,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:53:01,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:53:01,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:53:01,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:53:01,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:53:01,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:53:01,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:53:01,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:53:01,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:53:01,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:53:01,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:53:01,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:53:01,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:53:01,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:53:01,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:53:01,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:53:01,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:53:01,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:53:01,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:53:01,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:53:01,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:53:01,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:53:01,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:53:01,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:53:01,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:53:01,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:53:01,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:53:01,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:53:01,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:53:01,554 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:53:01,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:53:01,554 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:53:01,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:53:01,555 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:53:01,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:53:01,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:53:01,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:53:01,562 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:53:01,563 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:53:01,563 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:53:01,563 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:53:01,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:53:01,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:53:01,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:53:01,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:53:01,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:53:01,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:53:01,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:53:01,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:53:01,566 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:53:01,566 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:53:01,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:53:01,566 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:53:01,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:53:01,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:53:01,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:53:01,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:53:01,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:53:01,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:53:01,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:53:01,570 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:53:01,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:53:01,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:53:01,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:53:01,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:53:01,571 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_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 [2021-10-24 10:53:01,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:53:01,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:53:01,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:53:01,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:53:01,879 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:53:01,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-24 10:53:01,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/05372c8ab/18ec8ded267942c39723265c9ed7b121/FLAG33e5a3d25 [2021-10-24 10:53:02,612 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:53:02,613 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-24 10:53:02,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/05372c8ab/18ec8ded267942c39723265c9ed7b121/FLAG33e5a3d25 [2021-10-24 10:53:02,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/05372c8ab/18ec8ded267942c39723265c9ed7b121 [2021-10-24 10:53:02,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:53:02,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:53:02,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:02,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:53:02,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:53:02,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:02" (1/1) ... [2021-10-24 10:53:02,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ed08f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:02, skipping insertion in model container [2021-10-24 10:53:02,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:02" (1/1) ... [2021-10-24 10:53:02,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:53:02,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:53:03,490 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_965dc76f-4446-438f-a654-fb0d34524751/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-24 10:53:03,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:03,534 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) [2021-10-24 10:53:03,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43af01d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:03, skipping insertion in model container [2021-10-24 10:53:03,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:03,535 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:53:03,538 INFO L168 Benchmark]: Toolchain (without parser) took 669.96 ms. Allocated memory is still 157.3 MB. Free memory was 121.3 MB in the beginning and 122.1 MB in the end (delta: -759.7 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:03,539 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:53:03,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.48 ms. Allocated memory is still 157.3 MB. Free memory was 121.3 MB in the beginning and 122.1 MB in the end (delta: -759.7 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:03,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.48 ms. Allocated memory is still 157.3 MB. Free memory was 121.3 MB in the beginning and 122.1 MB in the end (delta: -759.7 kB). 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: 1050]: 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-e943c26 [2021-10-24 10:53:05,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:53:05,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:53:05,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:53:05,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:53:05,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:53:05,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:53:05,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:53:05,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:53:05,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:53:05,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:53:05,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:53:05,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:53:05,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:53:05,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:53:05,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:53:05,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:53:05,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:53:05,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:53:05,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:53:05,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:53:05,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:53:05,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:53:05,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:53:05,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:53:05,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:53:05,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:53:05,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:53:05,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:53:05,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:53:05,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:53:05,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:53:05,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:53:05,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:53:05,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:53:05,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:53:05,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:53:05,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:53:05,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:53:05,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:53:05,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:53:05,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:53:05,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:53:05,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:53:05,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:53:05,924 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:53:05,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:53:05,924 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:53:05,925 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:53:05,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:53:05,926 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:53:05,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:53:05,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:53:05,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:53:05,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:53:05,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:53:05,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:53:05,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:53:05,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:53:05,930 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:53:05,930 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:53:05,930 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:53:05,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:53:05,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:53:05,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:53:05,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:53:05,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:53:05,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:53:05,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:53:05,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:53:05,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:53:05,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:53:05,934 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:53:05,935 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:53:05,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:53:05,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:53:05,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:53:05,936 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_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 [2021-10-24 10:53:06,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:53:06,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:53:06,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:53:06,329 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:53:06,330 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:53:06,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-24 10:53:06,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/6021a612d/b8dc59a7e25f492cb93a52b6f5626c0c/FLAGccf5ec97b [2021-10-24 10:53:07,227 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:53:07,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-24 10:53:07,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/6021a612d/b8dc59a7e25f492cb93a52b6f5626c0c/FLAGccf5ec97b [2021-10-24 10:53:07,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/data/6021a612d/b8dc59a7e25f492cb93a52b6f5626c0c [2021-10-24 10:53:07,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:53:07,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:53:07,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:07,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:53:07,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:53:07,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:07" (1/1) ... [2021-10-24 10:53:07,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4ae611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:07, skipping insertion in model container [2021-10-24 10:53:07,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:07" (1/1) ... [2021-10-24 10:53:07,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:53:07,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:53:07,949 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_965dc76f-4446-438f-a654-fb0d34524751/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-24 10:53:07,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:08,011 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:53:08,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:53:08,201 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_965dc76f-4446-438f-a654-fb0d34524751/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-24 10:53:08,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:08,226 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:53:08,370 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_965dc76f-4446-438f-a654-fb0d34524751/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-24 10:53:08,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:08,403 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:53:08,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08 WrapperNode [2021-10-24 10:53:08,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:08,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:53:08,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:53:08,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:53:08,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:53:08,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:53:08,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:53:08,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:53:08,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:53:08,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:53:08,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:53:08,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:53:08,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (1/1) ... [2021-10-24 10:53:08,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:53:08,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:53:08,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:53:08,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:53:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:53:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-24 10:53:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:53:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 10:53:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-24 10:53:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 10:53:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:53:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:53:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-24 10:53:09,079 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 10:53:18,453 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-24 10:53:18,453 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-24 10:53:18,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:53:18,462 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 10:53:18,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:53:18 BoogieIcfgContainer [2021-10-24 10:53:18,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:53:18,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:53:18,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:53:18,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:53:18,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:53:07" (1/3) ... [2021-10-24 10:53:18,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33524f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:53:18, skipping insertion in model container [2021-10-24 10:53:18,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:08" (2/3) ... [2021-10-24 10:53:18,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33524f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:53:18, skipping insertion in model container [2021-10-24 10:53:18,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:53:18" (3/3) ... [2021-10-24 10:53:18,473 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11.i.cil-1.c [2021-10-24 10:53:18,478 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:53:18,479 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 10:53:18,528 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:53:18,534 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:53:18,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 10:53:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 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) [2021-10-24 10:53:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 10:53:18,562 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:18,562 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] [2021-10-24 10:53:18,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:53:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:18,569 INFO L82 PathProgramCache]: Analyzing trace with hash -442385417, now seen corresponding path program 1 times [2021-10-24 10:53:18,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:18,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142667889] [2021-10-24 10:53:18,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:18,585 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:18,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:18,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:18,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:53:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:18,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:18,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:19,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:19,435 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:19,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142667889] [2021-10-24 10:53:19,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142667889] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:19,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:19,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:53:19,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642971113] [2021-10-24 10:53:19,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:53:19,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:19,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:53:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:19,474 INFO L87 Difference]: Start difference. First operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 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 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-10-24 10:53:19,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:19,739 INFO L93 Difference]: Finished difference Result 563 states and 960 transitions. [2021-10-24 10:53:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:53:19,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 37 [2021-10-24 10:53:19,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:19,770 INFO L225 Difference]: With dead ends: 563 [2021-10-24 10:53:19,770 INFO L226 Difference]: Without dead ends: 384 [2021-10-24 10:53:19,775 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:19,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-10-24 10:53:19,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2021-10-24 10:53:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.5275590551181102) internal successors, (582), 381 states have internal predecessors, (582), 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) [2021-10-24 10:53:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 582 transitions. [2021-10-24 10:53:19,845 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 582 transitions. Word has length 37 [2021-10-24 10:53:19,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:19,845 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 582 transitions. [2021-10-24 10:53:19,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-10-24 10:53:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 582 transitions. [2021-10-24 10:53:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-24 10:53:19,850 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:19,850 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:19,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 10:53:20,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:20,064 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:53:20,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:20,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1287801256, now seen corresponding path program 1 times [2021-10-24 10:53:20,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:20,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265156268] [2021-10-24 10:53:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:20,067 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:20,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:20,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:20,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:53:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:20,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:20,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:20,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:20,952 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:20,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265156268] [2021-10-24 10:53:20,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265156268] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:20,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:20,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:53:20,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299383686] [2021-10-24 10:53:20,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:53:20,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:20,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:53:20,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:20,957 INFO L87 Difference]: Start difference. First operand 382 states and 582 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2021-10-24 10:53:21,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:21,801 INFO L93 Difference]: Finished difference Result 878 states and 1348 transitions. [2021-10-24 10:53:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:53:21,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 61 [2021-10-24 10:53:21,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:21,808 INFO L225 Difference]: With dead ends: 878 [2021-10-24 10:53:21,808 INFO L226 Difference]: Without dead ends: 630 [2021-10-24 10:53:21,811 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-10-24 10:53:21,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2021-10-24 10:53:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.5199362041467304) internal successors, (953), 627 states have internal predecessors, (953), 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) [2021-10-24 10:53:21,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 953 transitions. [2021-10-24 10:53:21,868 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 953 transitions. Word has length 61 [2021-10-24 10:53:21,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:21,868 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 953 transitions. [2021-10-24 10:53:21,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2021-10-24 10:53:21,869 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 953 transitions. [2021-10-24 10:53:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-24 10:53:21,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:21,884 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, 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] [2021-10-24 10:53:21,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:22,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:22,108 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:53:22,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:22,109 INFO L82 PathProgramCache]: Analyzing trace with hash 393853380, now seen corresponding path program 1 times [2021-10-24 10:53:22,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:22,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6389272] [2021-10-24 10:53:22,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:22,111 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:22,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:22,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:22,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:53:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:22,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:22,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:53:22,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:53:23,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:23,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6389272] [2021-10-24 10:53:23,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6389272] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:23,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:23,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:53:23,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912623086] [2021-10-24 10:53:23,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:53:23,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:23,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:53:23,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:23,405 INFO L87 Difference]: Start difference. First operand 628 states and 953 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2021-10-24 10:53:23,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:23,858 INFO L93 Difference]: Finished difference Result 1368 states and 2088 transitions. [2021-10-24 10:53:23,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:53:23,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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 [2021-10-24 10:53:23,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:23,866 INFO L225 Difference]: With dead ends: 1368 [2021-10-24 10:53:23,866 INFO L226 Difference]: Without dead ends: 874 [2021-10-24 10:53:23,867 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-24 10:53:23,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-10-24 10:53:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.5154639175257731) internal successors, (1323), 873 states have internal predecessors, (1323), 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) [2021-10-24 10:53:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1323 transitions. [2021-10-24 10:53:23,906 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1323 transitions. Word has length 105 [2021-10-24 10:53:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:23,907 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1323 transitions. [2021-10-24 10:53:23,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2021-10-24 10:53:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1323 transitions. [2021-10-24 10:53:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-24 10:53:23,910 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:23,910 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:23,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:24,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:24,124 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:53:24,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:24,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1006485834, now seen corresponding path program 1 times [2021-10-24 10:53:24,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:24,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538894697] [2021-10-24 10:53:24,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:24,127 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:24,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:24,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:24,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:53:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:24,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-24 10:53:24,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:25,027 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 [2021-10-24 10:53:25,039 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 [2021-10-24 10:53:25,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:25,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-10-24 10:53:25,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:25,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-24 10:53:25,227 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 336 treesize of output 319 [2021-10-24 10:53:25,744 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-10-24 10:53:25,745 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 717 treesize of output 669 [2021-10-24 10:53:25,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:25,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-10-24 10:53:25,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:25,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-24 10:53:25,828 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 336 treesize of output 319 [2021-10-24 10:53:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,018 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-10-24 10:53:26,022 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 97 treesize of output 49 [2021-10-24 10:53:26,151 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-10-24 10:53:26,151 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 [2021-10-24 10:53:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:26,191 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 [2021-10-24 10:53:26,232 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 [2021-10-24 10:53:26,238 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 [2021-10-24 10:53:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-24 10:53:26,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:27,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-10-24 10:53:27,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-10-24 10:53:27,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-10-24 10:53:27,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-10-24 10:53:27,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-10-24 10:53:27,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-10-24 10:53:27,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-10-24 10:53:27,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:53:27,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-10-24 10:53:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-24 10:53:28,153 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:28,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538894697] [2021-10-24 10:53:28,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538894697] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:28,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:28,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:53:28,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754853238] [2021-10-24 10:53:28,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:53:28,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:28,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:53:28,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:53:28,157 INFO L87 Difference]: Start difference. First operand 874 states and 1323 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2021-10-24 10:53:57,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:57,560 INFO L93 Difference]: Finished difference Result 1745 states and 2642 transitions. [2021-10-24 10:53:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:53:57,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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 129 [2021-10-24 10:53:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:57,568 INFO L225 Difference]: With dead ends: 1745 [2021-10-24 10:53:57,568 INFO L226 Difference]: Without dead ends: 874 [2021-10-24 10:53:57,570 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 315.8ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:53:57,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-24 10:53:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-10-24 10:53:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.5143184421534936) internal successors, (1322), 873 states have internal predecessors, (1322), 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) [2021-10-24 10:53:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1322 transitions. [2021-10-24 10:53:57,604 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1322 transitions. Word has length 129 [2021-10-24 10:53:57,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:57,605 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1322 transitions. [2021-10-24 10:53:57,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2021-10-24 10:53:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1322 transitions. [2021-10-24 10:53:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-24 10:53:57,611 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:57,612 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:57,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:57,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:57,829 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:53:57,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:57,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1440991432, now seen corresponding path program 1 times [2021-10-24 10:53:57,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:57,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604677918] [2021-10-24 10:53:57,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:57,832 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:57,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:57,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:57,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:53:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:59,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:53:59,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:59,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:59,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:59,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:59,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:59,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:53:59,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-24 10:53:59,259 INFO L354 Elim1Store]: treesize reduction 188, result has 13.8 percent of original size [2021-10-24 10:53:59,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 40 [2021-10-24 10:53:59,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-24 10:53:59,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-24 10:53:59,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-24 10:53:59,651 INFO L354 Elim1Store]: treesize reduction 850, result has 7.0 percent of original size [2021-10-24 10:53:59,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 72 treesize of output 89 [2021-10-24 10:54:01,325 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-10-24 10:54:01,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 110 treesize of output 38 [2021-10-24 10:54:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-24 10:54:01,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-24 10:54:02,024 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:02,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604677918] [2021-10-24 10:54:02,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604677918] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:02,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:02,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2021-10-24 10:54:02,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630326034] [2021-10-24 10:54:02,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 10:54:02,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:02,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 10:54:02,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:54:02,026 INFO L87 Difference]: Start difference. First operand 874 states and 1322 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 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) [2021-10-24 10:54:47,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:47,096 INFO L93 Difference]: Finished difference Result 3290 states and 5000 transitions. [2021-10-24 10:54:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:54:47,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 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 129 [2021-10-24 10:54:47,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:47,112 INFO L225 Difference]: With dead ends: 3290 [2021-10-24 10:54:47,113 INFO L226 Difference]: Without dead ends: 2426 [2021-10-24 10:54:47,115 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 268.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:54:47,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2021-10-24 10:54:47,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1048. [2021-10-24 10:54:47,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1047 states have (on average 1.5491881566380135) internal successors, (1622), 1047 states have internal predecessors, (1622), 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) [2021-10-24 10:54:47,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1622 transitions. [2021-10-24 10:54:47,191 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1622 transitions. Word has length 129 [2021-10-24 10:54:47,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:47,192 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1622 transitions. [2021-10-24 10:54:47,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 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) [2021-10-24 10:54:47,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1622 transitions. [2021-10-24 10:54:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-24 10:54:47,195 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:47,195 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:47,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:47,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:47,409 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:47,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:47,409 INFO L82 PathProgramCache]: Analyzing trace with hash 895401078, now seen corresponding path program 1 times [2021-10-24 10:54:47,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:47,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866551507] [2021-10-24 10:54:47,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:47,411 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:47,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:47,420 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:47,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:54:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:54:50,092 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:54:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:54:54,307 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 10:54:54,307 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:54:54,308 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:54:54,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-24 10:54:54,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:54,530 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:54:54,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:54:54 BoogieIcfgContainer [2021-10-24 10:54:54,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:54:54,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:54:54,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:54:54,661 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:54:54,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:53:18" (3/4) ... [2021-10-24 10:54:54,664 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:54:54,764 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:54:54,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:54:54,765 INFO L168 Benchmark]: Toolchain (without parser) took 107355.67 ms. Allocated memory was 73.4 MB in the beginning and 146.8 MB in the end (delta: 73.4 MB). Free memory was 52.6 MB in the beginning and 39.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 89.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:54,766 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 54.9 MB in the beginning and 54.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:54:54,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 993.71 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 65.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:54,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.28 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 61.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:54,767 INFO L168 Benchmark]: Boogie Preprocessor took 150.90 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 53.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:54,767 INFO L168 Benchmark]: RCFGBuilder took 9794.38 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 53.9 MB in the beginning and 82.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:54,768 INFO L168 Benchmark]: TraceAbstraction took 96194.08 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 82.4 MB in the beginning and 54.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 53.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:54,768 INFO L168 Benchmark]: Witness Printer took 103.64 ms. Allocated memory is still 146.8 MB. Free memory was 54.0 MB in the beginning and 39.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:54,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 54.9 MB in the beginning and 54.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 993.71 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 65.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.28 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 61.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 150.90 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 53.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9794.38 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 53.9 MB in the beginning and 82.4 MB in the end (delta: -28.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 96194.08 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 82.4 MB in the beginning and 54.0 MB in the end (delta: 28.4 MB). Peak memory consumption was 53.2 MB. Max. memory is 16.1 GB. * Witness Printer took 103.64 ms. Allocated memory is still 146.8 MB. Free memory was 54.0 MB in the beginning and 39.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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: 1757]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1161] EXPR s->cert VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1383] COND FALSE !(s->hit) [L1386] s->state = 8512 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1388] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1209] COND TRUE s->state == 8512 [L1392] EXPR s->s3 [L1392] EXPR (s->s3)->tmp.new_cipher [L1392] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1392] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1395] ret = __VERIFIER_nondet_int() [L1396] COND TRUE blastFlag == 2 [L1397] blastFlag = 6 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1401] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1407] s->state = 8528 [L1408] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1215] COND TRUE s->state == 8528 [L1412] EXPR s->s3 [L1412] EXPR (s->s3)->tmp.new_cipher [L1412] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1412] l = ((s->s3)->tmp.new_cipher)->algorithms [L1413] EXPR s->options VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1413] COND TRUE s->options & 2097152UL [L1414] EXPR s->s3 [L1414] (s->s3)->tmp.use_rsa_tmp = 1 [L1418] EXPR s->s3 [L1418] (s->s3)->tmp.use_rsa_tmp VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1418] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1436] ret = __VERIFIER_nondet_int() [L1437] COND TRUE blastFlag == 6 [L1438] blastFlag = 7 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1442] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1459] s->state = 8544 [L1460] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1221] COND TRUE s->state == 8544 [L1464] EXPR s->verify_mode VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1464] COND TRUE s->verify_mode & 1 [L1465] EXPR s->session [L1465] EXPR (s->session)->peer VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1465] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1475] EXPR s->s3 [L1475] EXPR (s->s3)->tmp.new_cipher [L1475] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1475] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1485] EXPR s->s3 [L1485] (s->s3)->tmp.cert_request = 1 [L1486] ret = __VERIFIER_nondet_int() [L1487] COND TRUE blastFlag == 7 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1757] reach_error() VAL [init=1, SSLv3_server_data={-1073741761:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 96001.8ms, OverallIterations: 6, TraceHistogramMax: 5, EmptinessCheckTime: 43.2ms, AutomataDifference: 76144.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1360 SDtfs, 1297 SDslu, 2406 SDs, 0 SdLazy, 1145 SolverSat, 141 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 73886.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 916 GetRequests, 893 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 630.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1048occurred in iteration=5, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 262.5ms AutomataMinimizationTime, 5 MinimizatonAttempts, 1382 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 269.5ms SsaConstructionTime, 4204.6ms SatisfiabilityAnalysisTime, 8373.0ms InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 912 ConstructedInterpolants, 1 QuantifiedInterpolants, 3759 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1343 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 814/814 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! [2021-10-24 10:54:54,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965dc76f-4446-438f-a654-fb0d34524751/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...