./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:17:39,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:17:39,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:17:39,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:17:39,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:17:39,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:17:39,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:17:39,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:17:39,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:17:39,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:17:39,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:17:39,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:17:39,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:17:39,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:17:39,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:17:39,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:17:39,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:17:39,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:17:39,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:17:39,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:17:39,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:17:39,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:17:39,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:17:39,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:17:39,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:17:39,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:17:39,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:17:39,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:17:39,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:17:39,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:17:39,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:17:39,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:17:39,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:17:39,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:17:39,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:17:39,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:17:39,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:17:39,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:17:39,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:17:39,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:17:39,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:17:39,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:17:39,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:17:39,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:17:39,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:17:39,633 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:17:39,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:17:39,634 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:17:39,634 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:17:39,634 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:17:39,641 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:17:39,642 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:17:39,643 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:17:39,643 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:17:39,644 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:17:39,644 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:17:39,644 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:17:39,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:17:39,646 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:17:39,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:17:39,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:17:39,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:17:39,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:17:39,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:17:39,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:17:39,648 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:17:39,648 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:17:39,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:17:39,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:17:39,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:17:39,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:17:39,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:17:39,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:17:39,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:17:39,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:17:39,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:17:39,660 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:17:39,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:17:39,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:17:39,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:17:39,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:17:39,662 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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 [2021-10-29 05:17:39,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:17:40,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:17:40,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:17:40,006 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:17:40,007 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:17:40,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-29 05:17:40,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/672f85761/eb3a3826cf0941eda4fb5669f5e513f3/FLAGb4cbb1171 [2021-10-29 05:17:40,803 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:17:40,803 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-29 05:17:40,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/672f85761/eb3a3826cf0941eda4fb5669f5e513f3/FLAGb4cbb1171 [2021-10-29 05:17:40,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/672f85761/eb3a3826cf0941eda4fb5669f5e513f3 [2021-10-29 05:17:40,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:17:40,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:17:40,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:40,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:17:40,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:17:40,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:40" (1/1) ... [2021-10-29 05:17:40,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be1375a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:40, skipping insertion in model container [2021-10-29 05:17:40,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:40" (1/1) ... [2021-10-29 05:17:41,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:17:41,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:17:41,582 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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-29 05:17:41,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:41,612 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) [2021-10-29 05:17:41,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e944621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:41, skipping insertion in model container [2021-10-29 05:17:41,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:41,614 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:17:41,617 INFO L168 Benchmark]: Toolchain (without parser) took 628.92 ms. Allocated memory is still 94.4 MB. Free memory was 71.9 MB in the beginning and 60.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:41,618 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:17:41,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.82 ms. Allocated memory is still 94.4 MB. Free memory was 71.7 MB in the beginning and 60.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:17:41,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.82 ms. Allocated memory is still 94.4 MB. Free memory was 71.7 MB in the beginning and 60.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1050]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:17:44,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:17:44,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:17:44,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:17:44,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:17:44,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:17:44,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:17:44,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:17:44,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:17:44,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:17:44,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:17:44,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:17:44,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:17:44,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:17:44,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:17:44,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:17:44,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:17:44,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:17:44,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:17:44,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:17:44,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:17:44,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:17:44,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:17:44,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:17:44,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:17:44,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:17:44,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:17:44,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:17:44,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:17:44,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:17:44,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:17:44,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:17:44,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:17:44,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:17:44,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:17:44,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:17:44,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:17:44,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:17:44,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:17:44,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:17:44,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:17:44,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:17:44,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:17:44,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:17:44,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:17:44,657 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:17:44,657 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:17:44,657 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:17:44,658 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:17:44,658 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:17:44,658 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:17:44,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:17:44,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:17:44,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:17:44,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:17:44,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:17:44,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:17:44,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:17:44,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:17:44,664 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:17:44,664 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:17:44,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:17:44,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:17:44,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:17:44,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:17:44,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:17:44,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:17:44,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:17:44,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:17:44,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:17:44,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:17:44,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:17:44,667 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:17:44,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:17:44,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:17:44,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:17:44,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:17:44,669 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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 [2021-10-29 05:17:45,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:17:45,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:17:45,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:17:45,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:17:45,266 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:17:45,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-29 05:17:45,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/5f5d437b9/ac74f41c2f0d44c69c138b7a043d41a0/FLAG4fae14e29 [2021-10-29 05:17:46,240 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:17:46,241 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2021-10-29 05:17:46,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/5f5d437b9/ac74f41c2f0d44c69c138b7a043d41a0/FLAG4fae14e29 [2021-10-29 05:17:46,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/data/5f5d437b9/ac74f41c2f0d44c69c138b7a043d41a0 [2021-10-29 05:17:46,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:17:46,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:17:46,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:46,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:17:46,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:17:46,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:46" (1/1) ... [2021-10-29 05:17:46,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326dd7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:46, skipping insertion in model container [2021-10-29 05:17:46,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:17:46" (1/1) ... [2021-10-29 05:17:46,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:17:46,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:17:47,081 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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-29 05:17:47,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:47,150 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:17:47,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:17:47,382 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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-29 05:17:47,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:47,411 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:17:47,581 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_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2021-10-29 05:17:47,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:17:47,629 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:17:47,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47 WrapperNode [2021-10-29 05:17:47,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:17:47,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:17:47,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:17:47,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:17:47,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:17:47,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:17:47,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:17:47,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:17:47,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:17:47,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:17:47,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:17:47,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:17:47,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (1/1) ... [2021-10-29 05:17:47,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:17:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:17:48,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:17:48,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:17:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:17:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 05:17:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:17:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:17:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 05:17:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:17:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:17:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:17:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:17:48,388 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 05:17:58,712 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-29 05:17:58,713 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-29 05:17:58,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:17:58,726 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 05:17:58,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:17:58 BoogieIcfgContainer [2021-10-29 05:17:58,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:17:58,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:17:58,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:17:58,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:17:58,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:17:46" (1/3) ... [2021-10-29 05:17:58,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eae332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:17:58, skipping insertion in model container [2021-10-29 05:17:58,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:17:47" (2/3) ... [2021-10-29 05:17:58,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eae332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:17:58, skipping insertion in model container [2021-10-29 05:17:58,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:17:58" (3/3) ... [2021-10-29 05:17:58,742 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11.i.cil-1.c [2021-10-29 05:17:58,750 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:17:58,750 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:17:58,813 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:17:58,820 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:17:58,820 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:17:58,842 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) [2021-10-29 05:17:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 05:17:58,852 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:17:58,852 INFO L513 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] [2021-10-29 05:17:58,853 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:17:58,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:17:58,858 INFO L85 PathProgramCache]: Analyzing trace with hash -442385417, now seen corresponding path program 1 times [2021-10-29 05:17:58,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:17:58,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170533915] [2021-10-29 05:17:58,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:17:58,875 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:17:58,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:17:58,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:17:58,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:17:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:17:59,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:17:59,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:17:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:59,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:17:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:17:59,787 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:17:59,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170533915] [2021-10-29 05:17:59,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170533915] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:17:59,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:17:59,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:17:59,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836446827] [2021-10-29 05:17:59,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:17:59,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:17:59,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:17:59,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:17:59,813 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) [2021-10-29 05:18:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:00,016 INFO L93 Difference]: Finished difference Result 563 states and 960 transitions. [2021-10-29 05:18:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:18:00,018 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 [2021-10-29 05:18:00,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:00,037 INFO L225 Difference]: With dead ends: 563 [2021-10-29 05:18:00,037 INFO L226 Difference]: Without dead ends: 384 [2021-10-29 05:18:00,042 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:00,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-10-29 05:18:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2021-10-29 05:18:00,128 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) [2021-10-29 05:18:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 582 transitions. [2021-10-29 05:18:00,133 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 582 transitions. Word has length 37 [2021-10-29 05:18:00,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:00,134 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 582 transitions. [2021-10-29 05:18:00,134 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) [2021-10-29 05:18:00,134 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 582 transitions. [2021-10-29 05:18:00,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 05:18:00,147 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:00,147 INFO L513 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] [2021-10-29 05:18:00,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:00,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:00,356 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:00,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:00,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1287801256, now seen corresponding path program 1 times [2021-10-29 05:18:00,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:00,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639969781] [2021-10-29 05:18:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:00,369 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:00,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:00,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:00,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:18:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:00,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:18:00,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:01,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:18:01,352 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:01,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639969781] [2021-10-29 05:18:01,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639969781] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:01,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:01,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:18:01,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310094227] [2021-10-29 05:18:01,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:18:01,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:18:01,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:01,357 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) [2021-10-29 05:18:01,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:01,850 INFO L93 Difference]: Finished difference Result 878 states and 1348 transitions. [2021-10-29 05:18:01,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:18:01,850 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 [2021-10-29 05:18:01,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:01,856 INFO L225 Difference]: With dead ends: 878 [2021-10-29 05:18:01,856 INFO L226 Difference]: Without dead ends: 630 [2021-10-29 05:18:01,859 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:01,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-10-29 05:18:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2021-10-29 05:18:01,929 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) [2021-10-29 05:18:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 953 transitions. [2021-10-29 05:18:01,933 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 953 transitions. Word has length 61 [2021-10-29 05:18:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:01,934 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 953 transitions. [2021-10-29 05:18:01,934 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) [2021-10-29 05:18:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 953 transitions. [2021-10-29 05:18:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 05:18:01,940 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:01,940 INFO L513 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] [2021-10-29 05:18:01,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:02,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:02,157 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:02,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash 393853380, now seen corresponding path program 1 times [2021-10-29 05:18:02,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:02,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897690297] [2021-10-29 05:18:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:02,161 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:02,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:02,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:02,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:18:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:02,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:18:02,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:18:03,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:03,563 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:18:03,563 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:03,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897690297] [2021-10-29 05:18:03,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897690297] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:03,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:03,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:18:03,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751104954] [2021-10-29 05:18:03,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:18:03,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:03,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:18:03,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:03,567 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) [2021-10-29 05:18:04,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:04,520 INFO L93 Difference]: Finished difference Result 1368 states and 2088 transitions. [2021-10-29 05:18:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:18:04,521 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 [2021-10-29 05:18:04,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:04,529 INFO L225 Difference]: With dead ends: 1368 [2021-10-29 05:18:04,529 INFO L226 Difference]: Without dead ends: 874 [2021-10-29 05:18:04,531 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:18:04,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-29 05:18:04,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-10-29 05:18:04,573 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) [2021-10-29 05:18:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1323 transitions. [2021-10-29 05:18:04,579 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1323 transitions. Word has length 105 [2021-10-29 05:18:04,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:04,579 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1323 transitions. [2021-10-29 05:18:04,580 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) [2021-10-29 05:18:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1323 transitions. [2021-10-29 05:18:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 05:18:04,583 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:04,584 INFO L513 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] [2021-10-29 05:18:04,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:04,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:04,800 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:04,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:04,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1006485834, now seen corresponding path program 1 times [2021-10-29 05:18:04,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:04,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168076254] [2021-10-29 05:18:04,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:04,803 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:04,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:04,804 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:04,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:18:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:05,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 05:18:05,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:05,805 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 [2021-10-29 05:18:05,820 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 [2021-10-29 05:18:05,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:05,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-10-29 05:18:05,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:05,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-29 05:18:06,021 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 [2021-10-29 05:18:06,645 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-10-29 05:18:06,646 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 [2021-10-29 05:18:06,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:06,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-10-29 05:18:06,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:06,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-29 05:18:06,752 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 [2021-10-29 05:18:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:06,930 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 [2021-10-29 05:18:07,068 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-10-29 05:18:07,068 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 [2021-10-29 05:18:07,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:07,109 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 [2021-10-29 05:18:07,153 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 [2021-10-29 05:18:07,160 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 [2021-10-29 05:18:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-29 05:18:07,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:08,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-10-29 05:18:08,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-10-29 05:18:08,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-10-29 05:18:08,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-10-29 05:18:08,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-10-29 05:18:08,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-10-29 05:18:08,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-10-29 05:18:08,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:18:08,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-10-29 05:18:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-29 05:18:09,242 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:09,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168076254] [2021-10-29 05:18:09,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168076254] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:09,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:09,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:18:09,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291621221] [2021-10-29 05:18:09,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:18:09,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:09,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:18:09,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:18:09,246 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) [2021-10-29 05:18:40,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:18:40,743 INFO L93 Difference]: Finished difference Result 1745 states and 2642 transitions. [2021-10-29 05:18:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:18:40,745 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 [2021-10-29 05:18:40,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:18:40,751 INFO L225 Difference]: With dead ends: 1745 [2021-10-29 05:18:40,752 INFO L226 Difference]: Without dead ends: 874 [2021-10-29 05:18:40,753 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:18:40,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-29 05:18:40,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-10-29 05:18:40,787 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) [2021-10-29 05:18:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1322 transitions. [2021-10-29 05:18:40,792 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1322 transitions. Word has length 129 [2021-10-29 05:18:40,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:18:40,792 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1322 transitions. [2021-10-29 05:18:40,792 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) [2021-10-29 05:18:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1322 transitions. [2021-10-29 05:18:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 05:18:40,795 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:18:40,796 INFO L513 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] [2021-10-29 05:18:40,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:18:41,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:18:41,012 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:18:41,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:18:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1440991432, now seen corresponding path program 1 times [2021-10-29 05:18:41,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:18:41,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803158592] [2021-10-29 05:18:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:18:41,014 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:18:41,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:18:41,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:18:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:18:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:18:42,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:18:42,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:18:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:42,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:42,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-29 05:18:42,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 05:18:42,686 INFO L354 Elim1Store]: treesize reduction 188, result has 13.8 percent of original size [2021-10-29 05:18:42,687 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 [2021-10-29 05:18:42,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 05:18:42,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 05:18:42,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 05:18:43,221 INFO L354 Elim1Store]: treesize reduction 850, result has 7.0 percent of original size [2021-10-29 05:18:43,221 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 [2021-10-29 05:18:44,955 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-10-29 05:18:44,956 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 [2021-10-29 05:18:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-29 05:18:45,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:18:45,780 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-10-29 05:18:45,780 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:18:45,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803158592] [2021-10-29 05:18:45,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803158592] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:18:45,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:18:45,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2021-10-29 05:18:45,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075893862] [2021-10-29 05:18:45,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 05:18:45,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:18:45,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 05:18:45,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:18:45,787 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) [2021-10-29 05:19:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:19:33,174 INFO L93 Difference]: Finished difference Result 3290 states and 5000 transitions. [2021-10-29 05:19:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:19:33,176 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 [2021-10-29 05:19:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:19:33,194 INFO L225 Difference]: With dead ends: 3290 [2021-10-29 05:19:33,194 INFO L226 Difference]: Without dead ends: 2426 [2021-10-29 05:19:33,196 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:19:33,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2021-10-29 05:19:33,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1048. [2021-10-29 05:19:33,274 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) [2021-10-29 05:19:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1622 transitions. [2021-10-29 05:19:33,279 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1622 transitions. Word has length 129 [2021-10-29 05:19:33,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:19:33,279 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 1622 transitions. [2021-10-29 05:19:33,280 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) [2021-10-29 05:19:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1622 transitions. [2021-10-29 05:19:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 05:19:33,284 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:19:33,285 INFO L513 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] [2021-10-29 05:19:33,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-29 05:19:33,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:19:33,508 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:19:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:19:33,508 INFO L85 PathProgramCache]: Analyzing trace with hash 895401078, now seen corresponding path program 1 times [2021-10-29 05:19:33,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:19:33,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13988108] [2021-10-29 05:19:33,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:33,510 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:19:33,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:19:33,511 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:19:33,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:19:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:19:36,567 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:19:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:19:41,508 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:19:41,509 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:19:41,510 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:19:41,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:19:41,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:19:41,734 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-29 05:19:41,738 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:19:41,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:19:41 BoogieIcfgContainer [2021-10-29 05:19:41,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:19:41,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:19:41,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:19:41,912 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:19:41,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:17:58" (3/4) ... [2021-10-29 05:19:41,914 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:19:42,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:19:42,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:19:42,027 INFO L168 Benchmark]: Toolchain (without parser) took 115704.68 ms. Allocated memory was 69.2 MB in the beginning and 113.2 MB in the end (delta: 44.0 MB). Free memory was 44.6 MB in the beginning and 54.4 MB in the end (delta: -9.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,028 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory is still 32.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:19:42,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1303.80 ms. Allocated memory is still 69.2 MB. Free memory was 44.4 MB in the beginning and 34.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.78 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 34.2 MB in the beginning and 65.7 MB in the end (delta: -31.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,029 INFO L168 Benchmark]: Boogie Preprocessor took 145.50 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 58.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,029 INFO L168 Benchmark]: RCFGBuilder took 10793.83 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 50.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,030 INFO L168 Benchmark]: TraceAbstraction took 103177.49 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 50.4 MB in the beginning and 69.1 MB in the end (delta: -18.7 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,030 INFO L168 Benchmark]: Witness Printer took 114.80 ms. Allocated memory is still 113.2 MB. Free memory was 69.1 MB in the beginning and 54.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:42,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory is still 32.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1303.80 ms. Allocated memory is still 69.2 MB. Free memory was 44.4 MB in the beginning and 34.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 158.78 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 34.2 MB in the beginning and 65.7 MB in the end (delta: -31.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 145.50 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 58.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10793.83 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 50.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 103177.49 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 50.4 MB in the beginning and 69.1 MB in the end (delta: -18.7 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. * Witness Printer took 114.80 ms. Allocated memory is still 113.2 MB. Free memory was 69.1 MB in the beginning and 54.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1757]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1161] EXPR s->cert VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1383] COND FALSE !(s->hit) [L1386] s->state = 8512 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1388] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1209] COND TRUE s->state == 8512 [L1392] EXPR s->s3 [L1392] EXPR (s->s3)->tmp.new_cipher [L1392] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1392] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1395] ret = __VERIFIER_nondet_int() [L1396] COND TRUE blastFlag == 2 [L1397] blastFlag = 6 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1401] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1407] s->state = 8528 [L1408] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1215] COND TRUE s->state == 8528 [L1412] EXPR s->s3 [L1412] EXPR (s->s3)->tmp.new_cipher [L1412] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1412] l = ((s->s3)->tmp.new_cipher)->algorithms [L1413] EXPR s->options VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1413] COND TRUE s->options & 2097152UL [L1414] EXPR s->s3 [L1414] (s->s3)->tmp.use_rsa_tmp = 1 [L1418] EXPR s->s3 [L1418] (s->s3)->tmp.use_rsa_tmp VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1418] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1436] ret = __VERIFIER_nondet_int() [L1437] COND TRUE blastFlag == 6 [L1438] blastFlag = 7 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1442] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1459] s->state = 8544 [L1460] s->init_num = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1167] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1221] COND TRUE s->state == 8544 [L1464] EXPR s->verify_mode VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1464] COND TRUE s->verify_mode & 1 [L1465] EXPR s->session [L1465] EXPR (s->session)->peer VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1465] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1475] EXPR s->s3 [L1475] EXPR (s->s3)->tmp.new_cipher [L1475] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1475] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1485] EXPR s->s3 [L1485] (s->s3)->tmp.cert_request = 1 [L1486] ret = __VERIFIER_nondet_int() [L1487] COND TRUE blastFlag == 7 VAL [init=1, SSLv3_server_data={-1073741761:0}] [L1757] reach_error() VAL [init=1, SSLv3_server_data={-1073741761:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.9s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 80.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1360 SDtfs, 1297 SDslu, 2406 SDs, 0 SdLazy, 1145 SolverSat, 141 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 78.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 916 GetRequests, 893 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 1382 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 9.1s 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! [2021-10-29 05:19:42,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920fc900-4fb3-4a8a-b9f2-eccf7cfc7847/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...