./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efd42e43b81b7be71ecc8354c567d440b93f23dd ............................................................................................................................................ 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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efd42e43b81b7be71ecc8354c567d440b93f23dd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:01:58,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:01:58,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:01:58,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:01:58,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:01:58,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:01:58,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:01:58,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:01:58,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:01:58,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:01:58,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:01:58,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:01:58,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:01:58,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:01:58,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:01:58,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:01:58,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:01:58,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:01:58,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:01:58,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:01:58,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:01:58,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:01:58,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:01:58,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:01:58,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:01:58,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:01:58,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:01:58,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:01:58,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:01:58,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:01:58,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:01:58,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:01:58,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:01:58,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:01:58,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:01:58,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:01:58,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:01:58,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:01:58,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:01:58,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:01:58,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:01:58,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:01:58,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:01:58,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:01:58,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:01:58,744 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:01:58,744 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:01:58,745 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:01:58,745 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:01:58,745 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:01:58,745 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:01:58,746 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:01:58,747 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:01:58,747 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:01:58,747 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:01:58,747 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:01:58,748 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:01:58,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:01:58,749 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:01:58,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:01:58,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:01:58,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:01:58,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:01:58,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:01:58,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:01:58,750 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:01:58,751 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:01:58,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:01:58,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:01:58,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:01:58,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:01:58,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:01:58,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:01:58,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:01:58,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:01:58,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:01:58,755 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:01:58,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:01:58,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:01:58,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:01:58,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:01:58,756 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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efd42e43b81b7be71ecc8354c567d440b93f23dd [2021-10-13 08:01:59,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:01:59,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:01:59,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:01:59,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:01:59,105 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:01:59,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-13 08:01:59,186 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/646812680/529b3fcf448d4c91a4036d8388d32b08/FLAG9a0b6bccf [2021-10-13 08:01:59,862 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:01:59,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-13 08:01:59,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/646812680/529b3fcf448d4c91a4036d8388d32b08/FLAG9a0b6bccf [2021-10-13 08:02:00,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/646812680/529b3fcf448d4c91a4036d8388d32b08 [2021-10-13 08:02:00,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:02:00,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:02:00,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:00,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:02:00,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:02:00,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:00" (1/1) ... [2021-10-13 08:02:00,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105ea785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:00, skipping insertion in model container [2021-10-13 08:02:00,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:00" (1/1) ... [2021-10-13 08:02:00,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:02:00,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:02:00,693 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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[73891,73904] [2021-10-13 08:02:00,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:00,735 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 08:02:00,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44d7b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:00, skipping insertion in model container [2021-10-13 08:02:00,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:00,740 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:02:00,743 INFO L168 Benchmark]: Toolchain (without parser) took 635.07 ms. Allocated memory is still 98.6 MB. Free memory was 60.4 MB in the beginning and 64.6 MB in the end (delta: -4.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:00,745 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory was 78.9 MB in the beginning and 78.8 MB in the end (delta: 62.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:02:00,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.99 ms. Allocated memory is still 98.6 MB. Free memory was 60.2 MB in the beginning and 64.6 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:02:00,749 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 98.6 MB. Free memory was 78.9 MB in the beginning and 78.8 MB in the end (delta: 62.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.99 ms. Allocated memory is still 98.6 MB. Free memory was 60.2 MB in the beginning and 64.6 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1040]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:02:02,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:02:02,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:02:03,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:02:03,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:02:03,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:02:03,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:02:03,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:02:03,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:02:03,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:02:03,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:02:03,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:02:03,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:02:03,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:02:03,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:02:03,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:02:03,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:02:03,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:02:03,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:02:03,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:02:03,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:02:03,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:02:03,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:02:03,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:02:03,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:02:03,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:02:03,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:02:03,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:02:03,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:02:03,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:02:03,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:02:03,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:02:03,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:02:03,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:02:03,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:02:03,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:02:03,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:02:03,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:02:03,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:02:03,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:02:03,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:02:03,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:02:03,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:02:03,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:02:03,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:02:03,161 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:02:03,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:02:03,162 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:02:03,162 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:02:03,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:02:03,162 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:02:03,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:02:03,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:02:03,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:02:03,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:02:03,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:02:03,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:02:03,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:02:03,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:02:03,166 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:02:03,166 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:02:03,166 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:02:03,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:02:03,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:02:03,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:02:03,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:02:03,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:02:03,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:02:03,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:02:03,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:02:03,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:02:03,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:02:03,168 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:02:03,169 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:02:03,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:02:03,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:02:03,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:02:03,170 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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efd42e43b81b7be71ecc8354c567d440b93f23dd [2021-10-13 08:02:03,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:02:03,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:02:03,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:02:03,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:02:03,597 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:02:03,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-13 08:02:03,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/0a135fa62/c76eca9338d040acb4b9285e32ed30a8/FLAG399af5c81 [2021-10-13 08:02:04,426 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:02:04,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-13 08:02:04,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/0a135fa62/c76eca9338d040acb4b9285e32ed30a8/FLAG399af5c81 [2021-10-13 08:02:04,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/data/0a135fa62/c76eca9338d040acb4b9285e32ed30a8 [2021-10-13 08:02:04,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:02:04,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:02:04,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:04,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:02:04,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:02:04,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:04" (1/1) ... [2021-10-13 08:02:04,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b944cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:04, skipping insertion in model container [2021-10-13 08:02:04,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:04" (1/1) ... [2021-10-13 08:02:04,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:02:04,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:02:05,410 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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[73891,73904] [2021-10-13 08:02:05,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:05,472 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 08:02:05,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:02:05,694 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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[73891,73904] [2021-10-13 08:02:05,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:05,716 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:02:05,893 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_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[73891,73904] [2021-10-13 08:02:05,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:05,942 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:02:05,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05 WrapperNode [2021-10-13 08:02:05,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:05,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:02:05,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:02:05,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:02:05,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:02:06,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:02:06,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:02:06,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:02:06,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:02:06,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:02:06,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:02:06,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:02:06,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (1/1) ... [2021-10-13 08:02:06,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:02:06,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:02:06,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:02:06,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:02:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:02:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 08:02:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:02:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 08:02:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 08:02:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 08:02:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:02:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:02:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 08:02:06,518 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 08:02:16,547 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 08:02:16,548 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 08:02:16,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:02:16,556 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 08:02:16,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:16 BoogieIcfgContainer [2021-10-13 08:02:16,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:02:16,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:02:16,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:02:16,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:02:16,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:04" (1/3) ... [2021-10-13 08:02:16,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16295d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:16, skipping insertion in model container [2021-10-13 08:02:16,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:05" (2/3) ... [2021-10-13 08:02:16,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16295d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:02:16, skipping insertion in model container [2021-10-13 08:02:16,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:16" (3/3) ... [2021-10-13 08:02:16,566 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11.i.cil-1.c [2021-10-13 08:02:16,572 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:02:16,572 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:02:16,622 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:02:16,628 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 08:02:16,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:02:16,647 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) [2021-10-13 08:02:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 08:02:16,667 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:16,668 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] [2021-10-13 08:02:16,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:16,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:16,679 INFO L82 PathProgramCache]: Analyzing trace with hash -442385417, now seen corresponding path program 1 times [2021-10-13 08:02:16,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:16,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896630122] [2021-10-13 08:02:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:16,698 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:16,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:16,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:16,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:02:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:16,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:02:16,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:17,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:17,509 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:17,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896630122] [2021-10-13 08:02:17,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896630122] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:17,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:17,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:02:17,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530288730] [2021-10-13 08:02:17,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:02:17,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:17,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:02:17,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:17,540 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) [2021-10-13 08:02:17,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:17,771 INFO L93 Difference]: Finished difference Result 563 states and 960 transitions. [2021-10-13 08:02:17,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:02:17,773 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 [2021-10-13 08:02:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:17,787 INFO L225 Difference]: With dead ends: 563 [2021-10-13 08:02:17,788 INFO L226 Difference]: Without dead ends: 384 [2021-10-13 08:02:17,791 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-10-13 08:02:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2021-10-13 08:02:17,863 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) [2021-10-13 08:02:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 582 transitions. [2021-10-13 08:02:17,867 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 582 transitions. Word has length 37 [2021-10-13 08:02:17,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:17,868 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 582 transitions. [2021-10-13 08:02:17,868 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) [2021-10-13 08:02:17,868 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 582 transitions. [2021-10-13 08:02:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-13 08:02:17,872 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:17,873 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] [2021-10-13 08:02:17,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:18,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:18,086 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:18,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1287801256, now seen corresponding path program 1 times [2021-10-13 08:02:18,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:18,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9240835] [2021-10-13 08:02:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:18,088 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:18,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:18,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:18,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:02:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:18,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:02:18,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:18,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:02:18,910 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:18,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9240835] [2021-10-13 08:02:18,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9240835] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:18,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:18,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:02:18,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193923360] [2021-10-13 08:02:18,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:02:18,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:18,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:02:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:18,914 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) [2021-10-13 08:02:19,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:19,335 INFO L93 Difference]: Finished difference Result 878 states and 1348 transitions. [2021-10-13 08:02:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:02:19,336 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 [2021-10-13 08:02:19,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:19,341 INFO L225 Difference]: With dead ends: 878 [2021-10-13 08:02:19,341 INFO L226 Difference]: Without dead ends: 630 [2021-10-13 08:02:19,344 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:19,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-10-13 08:02:19,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2021-10-13 08:02:19,381 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) [2021-10-13 08:02:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 953 transitions. [2021-10-13 08:02:19,384 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 953 transitions. Word has length 61 [2021-10-13 08:02:19,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:19,385 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 953 transitions. [2021-10-13 08:02:19,385 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) [2021-10-13 08:02:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 953 transitions. [2021-10-13 08:02:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-13 08:02:19,393 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:19,393 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] [2021-10-13 08:02:19,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:19,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:19,611 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:19,621 INFO L82 PathProgramCache]: Analyzing trace with hash 393853380, now seen corresponding path program 1 times [2021-10-13 08:02:19,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:19,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105419619] [2021-10-13 08:02:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:19,623 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:19,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:19,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:19,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:02:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:19,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:02:19,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 08:02:20,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 08:02:20,705 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:20,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105419619] [2021-10-13 08:02:20,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105419619] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:20,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:20,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:02:20,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783114815] [2021-10-13 08:02:20,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:02:20,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:20,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:02:20,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:20,709 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) [2021-10-13 08:02:21,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:21,303 INFO L93 Difference]: Finished difference Result 1368 states and 2088 transitions. [2021-10-13 08:02:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:02:21,304 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 [2021-10-13 08:02:21,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:21,310 INFO L225 Difference]: With dead ends: 1368 [2021-10-13 08:02:21,310 INFO L226 Difference]: Without dead ends: 874 [2021-10-13 08:02:21,312 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:02:21,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-13 08:02:21,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-10-13 08:02:21,347 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) [2021-10-13 08:02:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1323 transitions. [2021-10-13 08:02:21,351 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1323 transitions. Word has length 105 [2021-10-13 08:02:21,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:21,352 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1323 transitions. [2021-10-13 08:02:21,352 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) [2021-10-13 08:02:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1323 transitions. [2021-10-13 08:02:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-13 08:02:21,358 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:21,359 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] [2021-10-13 08:02:21,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:21,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:21,575 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:21,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:21,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1006485834, now seen corresponding path program 1 times [2021-10-13 08:02:21,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:21,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625055690] [2021-10-13 08:02:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:21,581 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:21,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:21,582 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:21,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:02:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:22,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-13 08:02:22,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:22,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 08:02:22,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 08:02:22,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:22,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-10-13 08:02:22,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:22,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-13 08:02:22,739 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 [2021-10-13 08:02:23,357 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-10-13 08:02:23,357 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 [2021-10-13 08:02:23,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:23,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-10-13 08:02:23,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:23,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-13 08:02:23,447 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 [2021-10-13 08:02:23,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,625 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 [2021-10-13 08:02:23,777 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-10-13 08:02:23,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 13 [2021-10-13 08:02:23,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:23,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-13 08:02:23,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-10-13 08:02:23,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-10-13 08:02:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-13 08:02:24,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:24,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:24,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-10-13 08:02:24,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:24,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-10-13 08:02:25,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:25,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-10-13 08:02:25,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:25,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-10-13 08:02:25,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:25,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-10-13 08:02:25,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:25,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-10-13 08:02:25,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:25,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-10-13 08:02:25,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:02:25,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-10-13 08:02:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-13 08:02:25,655 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:25,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625055690] [2021-10-13 08:02:25,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625055690] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:25,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:25,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 08:02:25,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161220081] [2021-10-13 08:02:25,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:02:25,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:25,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:02:25,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:02:25,659 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) [2021-10-13 08:02:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:02:51,094 INFO L93 Difference]: Finished difference Result 1745 states and 2642 transitions. [2021-10-13 08:02:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 08:02:51,096 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 [2021-10-13 08:02:51,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:02:51,102 INFO L225 Difference]: With dead ends: 1745 [2021-10-13 08:02:51,103 INFO L226 Difference]: Without dead ends: 874 [2021-10-13 08:02:51,104 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 311.8ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:02:51,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-13 08:02:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-10-13 08:02:51,135 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) [2021-10-13 08:02:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1322 transitions. [2021-10-13 08:02:51,139 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1322 transitions. Word has length 129 [2021-10-13 08:02:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:02:51,139 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1322 transitions. [2021-10-13 08:02:51,140 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) [2021-10-13 08:02:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1322 transitions. [2021-10-13 08:02:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-13 08:02:51,143 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:02:51,143 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] [2021-10-13 08:02:51,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:02:51,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:02:51,362 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:02:51,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:02:51,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1440991432, now seen corresponding path program 1 times [2021-10-13 08:02:51,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:02:51,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617895438] [2021-10-13 08:02:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:02:51,365 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:02:51,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:02:51,370 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:02:51,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 08:02:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:02:52,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:02:52,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:02:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:02:52,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 08:02:52,883 INFO L354 Elim1Store]: treesize reduction 188, result has 13.8 percent of original size [2021-10-13 08:02:52,884 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 [2021-10-13 08:02:52,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 08:02:52,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 08:02:52,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 08:02:53,326 INFO L354 Elim1Store]: treesize reduction 850, result has 7.0 percent of original size [2021-10-13 08:02:53,327 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 [2021-10-13 08:02:54,761 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-10-13 08:02:54,761 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 [2021-10-13 08:02:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-13 08:02:54,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:02:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-13 08:02:55,472 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:02:55,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617895438] [2021-10-13 08:02:55,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617895438] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:02:55,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:02:55,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2021-10-13 08:02:55,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036221788] [2021-10-13 08:02:55,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 08:02:55,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:02:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 08:02:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 08:02:55,475 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) [2021-10-13 08:03:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:03:35,851 INFO L93 Difference]: Finished difference Result 3290 states and 5000 transitions. [2021-10-13 08:03:35,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 08:03:35,853 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 [2021-10-13 08:03:35,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:03:35,867 INFO L225 Difference]: With dead ends: 3290 [2021-10-13 08:03:35,867 INFO L226 Difference]: Without dead ends: 2426 [2021-10-13 08:03:35,869 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 263.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 08:03:35,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2021-10-13 08:03:35,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1048. [2021-10-13 08:03:35,952 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) [2021-10-13 08:03:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1622 transitions. [2021-10-13 08:03:35,956 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1622 transitions. Word has length 129 [2021-10-13 08:03:35,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:03:35,957 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1622 transitions. [2021-10-13 08:03:35,957 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) [2021-10-13 08:03:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1622 transitions. [2021-10-13 08:03:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-13 08:03:35,960 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:03:35,960 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] [2021-10-13 08:03:35,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 08:03:36,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:03:36,177 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:03:36,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:03:36,178 INFO L82 PathProgramCache]: Analyzing trace with hash 895401078, now seen corresponding path program 1 times [2021-10-13 08:03:36,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:03:36,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073045579] [2021-10-13 08:03:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:03:36,179 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:03:36,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:03:36,180 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:03:36,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 08:03:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:03:38,871 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 08:03:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:03:43,731 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 08:03:43,731 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 08:03:43,732 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:03:43,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 08:03:43,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:03:43,947 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:03:44,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:44 BoogieIcfgContainer [2021-10-13 08:03:44,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:03:44,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:03:44,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:03:44,110 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:03:44,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:02:16" (3/4) ... [2021-10-13 08:03:44,113 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 08:03:44,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:03:44,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:03:44,287 INFO L168 Benchmark]: Toolchain (without parser) took 99724.18 ms. Allocated memory was 60.8 MB in the beginning and 107.0 MB in the end (delta: 46.1 MB). Free memory was 38.1 MB in the beginning and 53.6 MB in the end (delta: -15.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:44,287 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:03:44,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1379.59 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 43.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:44,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.91 ms. Allocated memory is still 79.7 MB. Free memory was 43.3 MB in the beginning and 38.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:44,288 INFO L168 Benchmark]: Boogie Preprocessor took 143.40 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 50.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:44,289 INFO L168 Benchmark]: RCFGBuilder took 10331.77 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 50.1 MB in the beginning and 39.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:44,289 INFO L168 Benchmark]: TraceAbstraction took 87549.63 ms. Allocated memory is still 107.0 MB. Free memory was 38.6 MB in the beginning and 31.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:44,290 INFO L168 Benchmark]: Witness Printer took 175.79 ms. Allocated memory is still 107.0 MB. Free memory was 31.4 MB in the beginning and 53.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:44,295 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 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1379.59 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 43.3 MB in the end (delta: -5.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.91 ms. Allocated memory is still 79.7 MB. Free memory was 43.3 MB in the beginning and 38.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 143.40 ms. Allocated memory is still 79.7 MB. Free memory was 38.6 MB in the beginning and 50.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10331.77 ms. Allocated memory was 79.7 MB in the beginning and 107.0 MB in the end (delta: 27.3 MB). Free memory was 50.1 MB in the beginning and 39.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 87549.63 ms. Allocated memory is still 107.0 MB. Free memory was 38.6 MB in the beginning and 31.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Witness Printer took 175.79 ms. Allocated memory is still 107.0 MB. Free memory was 31.4 MB in the beginning and 53.6 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.5 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: 1747]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1044] static int init = 1; [L1045] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1067] SSL *s ; [L1068] int tmp ; [L1072] s = malloc(sizeof(SSL)) [L1073] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1074] s->ctx = malloc(sizeof(SSL_CTX)) [L1075] s->session = malloc(sizeof(SSL_SESSION)) [L1077] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1078] s->options = __VERIFIER_nondet_ulong() [L1079] s->verify_mode = __VERIFIER_nondet_int() [L1080] EXPR s->session [L1080] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1081] EXPR s->s3 [L1081] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1082] EXPR s->s3 [L1082] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1083] EXPR s->s3 [L1083] EXPR (s->s3)->tmp.new_cipher [L1083] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1084] EXPR s->s3 [L1084] EXPR (s->s3)->tmp.new_cipher [L1084] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1085] COND FALSE !(__VERIFIER_nondet_int()) [L1091] s->cert = malloc(sizeof(struct cert_st)) [L1092] EXPR s->cert [L1092] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1101] BUF_MEM *buf ; [L1102] unsigned long l ; [L1103] unsigned long Time ; [L1104] unsigned long tmp ; [L1105] void (*cb)() ; [L1106] long num1 ; [L1107] int ret ; [L1108] int new_state ; [L1109] int state ; [L1110] int skip ; [L1111] int got_new_session ; [L1112] int tmp___1 = __VERIFIER_nondet_int() ; [L1113] int tmp___2 = __VERIFIER_nondet_int() ; [L1114] int tmp___3 = __VERIFIER_nondet_int() ; [L1115] int tmp___4 = __VERIFIER_nondet_int() ; [L1116] int tmp___5 = __VERIFIER_nondet_int() ; [L1117] int tmp___6 = __VERIFIER_nondet_int() ; [L1118] int tmp___7 ; [L1119] long tmp___8 = __VERIFIER_nondet_long() ; [L1120] int tmp___9 = __VERIFIER_nondet_int() ; [L1121] int tmp___10 = __VERIFIER_nondet_int() ; [L1122] int blastFlag ; [L1126] s->state = 8464 [L1127] blastFlag = 0 [L1128] s->hit=__VERIFIER_nondet_int () [L1129] s->state = 8464 [L1130] tmp = __VERIFIER_nondet_int() [L1131] Time = tmp [L1132] cb = (void (*)())((void *)0) [L1133] ret = -1 [L1134] skip = 0 [L1135] got_new_session = 0 [L1136] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1136] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1137] EXPR s->info_callback [L1137] cb = s->info_callback [L1141] EXPR s->in_handshake [L1141] s->in_handshake += 1 [L1142] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1151] EXPR s->cert VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1151] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1184] COND TRUE s->state == 8464 [L1344] s->shutdown = 0 [L1345] ret = __VERIFIER_nondet_int() [L1346] COND TRUE blastFlag == 0 [L1347] blastFlag = 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1351] COND FALSE !(ret <= 0) [L1356] got_new_session = 1 [L1357] s->state = 8496 [L1358] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] EXPR s->s3 [L1706] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1735] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1193] COND TRUE s->state == 8496 [L1362] ret = __VERIFIER_nondet_int() [L1363] COND TRUE blastFlag == 1 [L1364] blastFlag = 2 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1368] COND FALSE !(ret <= 0) [L1373] s->hit VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1373] COND FALSE !(s->hit) [L1376] s->state = 8512 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1378] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] EXPR s->s3 [L1706] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1735] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1193] COND FALSE !(s->state == 8496) [L1196] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1196] COND FALSE !(s->state == 8497) [L1199] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1199] COND TRUE s->state == 8512 [L1382] EXPR s->s3 [L1382] EXPR (s->s3)->tmp.new_cipher [L1382] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1382] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1385] ret = __VERIFIER_nondet_int() [L1386] COND TRUE blastFlag == 2 [L1387] blastFlag = 6 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1391] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1397] s->state = 8528 [L1398] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] EXPR s->s3 [L1706] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1735] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1193] COND FALSE !(s->state == 8496) [L1196] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1196] COND FALSE !(s->state == 8497) [L1199] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1199] COND FALSE !(s->state == 8512) [L1202] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1202] COND FALSE !(s->state == 8513) [L1205] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1205] COND TRUE s->state == 8528 [L1402] EXPR s->s3 [L1402] EXPR (s->s3)->tmp.new_cipher [L1402] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1402] l = ((s->s3)->tmp.new_cipher)->algorithms [L1403] EXPR s->options VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1403] COND TRUE s->options & 2097152UL [L1404] EXPR s->s3 [L1404] (s->s3)->tmp.use_rsa_tmp = 1 [L1408] EXPR s->s3 [L1408] (s->s3)->tmp.use_rsa_tmp VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1408] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1426] ret = __VERIFIER_nondet_int() [L1427] COND TRUE blastFlag == 6 [L1428] blastFlag = 7 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1432] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1449] s->state = 8544 [L1450] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] EXPR s->s3 [L1706] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1706] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1735] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1193] COND FALSE !(s->state == 8496) [L1196] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1196] COND FALSE !(s->state == 8497) [L1199] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1199] COND FALSE !(s->state == 8512) [L1202] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1202] COND FALSE !(s->state == 8513) [L1205] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1205] COND FALSE !(s->state == 8528) [L1208] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1208] COND FALSE !(s->state == 8529) [L1211] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1211] COND TRUE s->state == 8544 [L1454] EXPR s->verify_mode VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1454] COND TRUE s->verify_mode & 1 [L1455] EXPR s->session [L1455] EXPR (s->session)->peer VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1455] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1465] EXPR s->s3 [L1465] EXPR (s->s3)->tmp.new_cipher [L1465] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1465] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1475] EXPR s->s3 [L1475] (s->s3)->tmp.cert_request = 1 [L1476] ret = __VERIFIER_nondet_int() [L1477] COND TRUE blastFlag == 7 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1747] 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: 87325.1ms, OverallIterations: 6, TraceHistogramMax: 5, EmptinessCheckTime: 47.7ms, AutomataDifference: 67148.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1360 SDtfs, 1297 SDslu, 2406 SDs, 0 SdLazy, 1145 SolverSat, 141 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 64933.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 916 GetRequests, 893 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 618.3ms 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: 262.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 1382 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 313.0ms SsaConstructionTime, 4367.6ms SatisfiabilityAnalysisTime, 7872.1ms 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! [2021-10-13 08:03:44,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c2f5bf-abfb-4a00-80f7-0638cf3fc0da/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...