./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH --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 8c6f82e874e2f980b653c53fa0437dd3390b1771d726d8f345336fe56afb2bb6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:55:43,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:55:43,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:55:43,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:55:43,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:55:43,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:55:43,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:55:43,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:55:43,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:55:43,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:55:43,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:55:43,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:55:43,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:55:43,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:55:43,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:55:43,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:55:43,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:55:43,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:55:43,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:55:43,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:55:43,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:55:43,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:55:43,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:55:43,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:55:43,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:55:43,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:55:43,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:55:43,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:55:43,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:55:43,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:55:43,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:55:43,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:55:43,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:55:43,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:55:43,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:55:43,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:55:43,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:55:43,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:55:43,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:55:43,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:55:43,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:55:43,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:55:43,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:55:43,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:55:43,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:55:43,649 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:55:43,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:55:43,650 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:55:43,650 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:55:43,650 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:55:43,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:55:43,651 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:55:43,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:55:43,661 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:55:43,661 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:55:43,662 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:55:43,662 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:55:43,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:55:43,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:55:43,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:55:43,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:55:43,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:55:43,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:55:43,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:55:43,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:55:43,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:55:43,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:55:43,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:55:43,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:55:43,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:55:43,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:55:43,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:55:43,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:55:43,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:55:43,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:55:43,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:55:43,671 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:55:43,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:55:43,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:55:43,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:55:43,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:55:43,673 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_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c6f82e874e2f980b653c53fa0437dd3390b1771d726d8f345336fe56afb2bb6 [2021-11-03 03:55:44,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:55:44,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:55:44,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:55:44,069 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:55:44,071 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:55:44,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c [2021-11-03 03:55:44,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/b41186b06/31a6a0c646774bd9859a28bba08f6913/FLAG76d92714b [2021-11-03 03:55:44,925 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:55:44,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c [2021-11-03 03:55:44,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/b41186b06/31a6a0c646774bd9859a28bba08f6913/FLAG76d92714b [2021-11-03 03:55:45,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/b41186b06/31a6a0c646774bd9859a28bba08f6913 [2021-11-03 03:55:45,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:55:45,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:55:45,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:55:45,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:55:45,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:55:45,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:55:45" (1/1) ... [2021-11-03 03:55:45,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ada7cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:45, skipping insertion in model container [2021-11-03 03:55:45,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:55:45" (1/1) ... [2021-11-03 03:55:45,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:55:45,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:55:45,807 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_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c[74369,74382] [2021-11-03 03:55:45,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:55:45,855 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) [2021-11-03 03:55:45,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ef5faa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:45, skipping insertion in model container [2021-11-03 03:55:45,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:55:45,857 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:55:45,860 INFO L168 Benchmark]: Toolchain (without parser) took 756.81 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.3 MB in the beginning and 72.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:45,861 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:55:45,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.25 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.1 MB in the beginning and 72.2 MB in the end (delta: -26.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:45,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 753.25 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.1 MB in the beginning and 72.2 MB in the end (delta: -26.1 MB). Peak memory consumption was 9.3 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH --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 8c6f82e874e2f980b653c53fa0437dd3390b1771d726d8f345336fe56afb2bb6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:55:48,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:55:48,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:55:48,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:55:48,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:55:48,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:55:48,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:55:48,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:55:48,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:55:48,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:55:48,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:55:48,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:55:48,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:55:48,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:55:48,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:55:48,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:55:48,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:55:48,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:55:48,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:55:48,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:55:48,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:55:48,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:55:48,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:55:48,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:55:48,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:55:48,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:55:48,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:55:48,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:55:48,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:55:48,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:55:48,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:55:48,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:55:48,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:55:48,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:55:48,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:55:48,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:55:48,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:55:48,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:55:48,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:55:48,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:55:48,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:55:48,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 03:55:49,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:55:49,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:55:49,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:55:49,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:55:49,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:55:49,050 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:55:49,050 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:55:49,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:55:49,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:55:49,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:55:49,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:55:49,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:55:49,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:55:49,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:55:49,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:55:49,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:55:49,054 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:55:49,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:55:49,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:55:49,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:55:49,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:55:49,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:55:49,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:55:49,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:55:49,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:55:49,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:55:49,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:55:49,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:55:49,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:55:49,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:55:49,058 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:55:49,058 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:55:49,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:55:49,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:55:49,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:55:49,059 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_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c6f82e874e2f980b653c53fa0437dd3390b1771d726d8f345336fe56afb2bb6 [2021-11-03 03:55:49,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:55:49,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:55:49,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:55:49,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:55:49,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:55:49,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c [2021-11-03 03:55:49,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/06124b394/bea62983764e466eb0ca7b643c49ed1d/FLAG2e965cd27 [2021-11-03 03:55:50,677 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:55:50,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c [2021-11-03 03:55:50,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/06124b394/bea62983764e466eb0ca7b643c49ed1d/FLAG2e965cd27 [2021-11-03 03:55:50,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/data/06124b394/bea62983764e466eb0ca7b643c49ed1d [2021-11-03 03:55:50,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:55:50,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:55:50,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:55:50,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:55:50,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:55:50,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:55:50" (1/1) ... [2021-11-03 03:55:50,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dfdcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:50, skipping insertion in model container [2021-11-03 03:55:50,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:55:50" (1/1) ... [2021-11-03 03:55:50,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:55:50,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:55:51,507 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_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c[74369,74382] [2021-11-03 03:55:51,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:55:51,554 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:55:51,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:55:51,744 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_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c[74369,74382] [2021-11-03 03:55:51,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:55:51,757 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:55:51,937 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_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/sv-benchmarks/c/openssl/s3_srvr.blast.07.i.cil-2.c[74369,74382] [2021-11-03 03:55:51,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:55:51,988 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:55:51,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51 WrapperNode [2021-11-03 03:55:51,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:55:51,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:55:51,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:55:51,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:55:52,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:55:52,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:55:52,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:55:52,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:55:52,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:55:52,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:55:52,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:55:52,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:55:52,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (1/1) ... [2021-11-03 03:55:52,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:55:52,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:55:52,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:55:52,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:55:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:55:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:55:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:55:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:55:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:55:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:55:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:55:52,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:55:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:55:52,694 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:56:05,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-03 03:56:05,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-03 03:56:05,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:56:05,065 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 03:56:05,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:05 BoogieIcfgContainer [2021-11-03 03:56:05,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:56:05,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:56:05,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:56:05,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:56:05,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:55:50" (1/3) ... [2021-11-03 03:56:05,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b3df2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:05, skipping insertion in model container [2021-11-03 03:56:05,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:55:51" (2/3) ... [2021-11-03 03:56:05,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b3df2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:05, skipping insertion in model container [2021-11-03 03:56:05,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:05" (3/3) ... [2021-11-03 03:56:05,079 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.07.i.cil-2.c [2021-11-03 03:56:05,086 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:56:05,087 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:56:05,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:56:05,160 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 [2021-11-03 03:56:05,161 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:56:05,206 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) [2021-11-03 03:56:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 03:56:05,223 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:05,224 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] [2021-11-03 03:56:05,225 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash -442385418, now seen corresponding path program 1 times [2021-11-03 03:56:05,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:05,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336435170] [2021-11-03 03:56:05,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:05,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:05,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:05,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:05,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:56:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:05,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:56:05,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:06,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:06,317 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:06,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336435170] [2021-11-03 03:56:06,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336435170] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:06,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:06,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:56:06,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559252308] [2021-11-03 03:56:06,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:56:06,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:06,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:56:06,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:56:06,361 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) [2021-11-03 03:56:06,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:06,666 INFO L93 Difference]: Finished difference Result 566 states and 965 transitions. [2021-11-03 03:56:06,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:56:06,668 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 [2021-11-03 03:56:06,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:06,701 INFO L225 Difference]: With dead ends: 566 [2021-11-03 03:56:06,701 INFO L226 Difference]: Without dead ends: 387 [2021-11-03 03:56:06,707 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 [2021-11-03 03:56:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-11-03 03:56:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 385. [2021-11-03 03:56:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.5286458333333333) internal successors, (587), 384 states have internal predecessors, (587), 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) [2021-11-03 03:56:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 587 transitions. [2021-11-03 03:56:06,794 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 587 transitions. Word has length 37 [2021-11-03 03:56:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:06,795 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 587 transitions. [2021-11-03 03:56:06,795 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) [2021-11-03 03:56:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 587 transitions. [2021-11-03 03:56:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 03:56:06,800 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:06,800 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] [2021-11-03 03:56:06,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:07,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:56:07,016 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:07,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:07,017 INFO L85 PathProgramCache]: Analyzing trace with hash 746604405, now seen corresponding path program 1 times [2021-11-03 03:56:07,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:07,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004835500] [2021-11-03 03:56:07,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:07,020 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:07,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:07,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:07,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:56:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:07,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:56:07,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:07,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:08,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:08,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004835500] [2021-11-03 03:56:08,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004835500] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:08,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:08,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:56:08,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315799856] [2021-11-03 03:56:08,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:56:08,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:08,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:56:08,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:56:08,062 INFO L87 Difference]: Start difference. First operand 385 states and 587 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-03 03:56:08,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:08,745 INFO L93 Difference]: Finished difference Result 879 states and 1353 transitions. [2021-11-03 03:56:08,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:56:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 60 [2021-11-03 03:56:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:08,753 INFO L225 Difference]: With dead ends: 879 [2021-11-03 03:56:08,753 INFO L226 Difference]: Without dead ends: 628 [2021-11-03 03:56:08,756 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:56:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-11-03 03:56:08,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 626. [2021-11-03 03:56:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 625 states have (on average 1.52) internal successors, (950), 625 states have internal predecessors, (950), 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) [2021-11-03 03:56:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 950 transitions. [2021-11-03 03:56:08,849 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 950 transitions. Word has length 60 [2021-11-03 03:56:08,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:08,851 INFO L470 AbstractCegarLoop]: Abstraction has 626 states and 950 transitions. [2021-11-03 03:56:08,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-03 03:56:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 950 transitions. [2021-11-03 03:56:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-03 03:56:08,866 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:08,867 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, 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, 1, 1, 1, 1] [2021-11-03 03:56:08,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:09,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:56:09,086 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:09,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:09,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1749353389, now seen corresponding path program 1 times [2021-11-03 03:56:09,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:09,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684453478] [2021-11-03 03:56:09,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:09,089 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:09,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:09,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:09,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:56:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:09,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:56:09,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 03:56:10,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 03:56:10,696 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:10,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684453478] [2021-11-03 03:56:10,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684453478] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:10,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:10,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:56:10,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219227949] [2021-11-03 03:56:10,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:56:10,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:10,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:56:10,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:56:10,700 INFO L87 Difference]: Start difference. First operand 626 states and 950 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-11-03 03:56:11,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:11,280 INFO L93 Difference]: Finished difference Result 1238 states and 1888 transitions. [2021-11-03 03:56:11,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:56:11,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 119 [2021-11-03 03:56:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:11,288 INFO L225 Difference]: With dead ends: 1238 [2021-11-03 03:56:11,288 INFO L226 Difference]: Without dead ends: 746 [2021-11-03 03:56:11,291 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:56:11,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2021-11-03 03:56:11,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2021-11-03 03:56:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 745 states have (on average 1.516778523489933) internal successors, (1130), 745 states have internal predecessors, (1130), 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) [2021-11-03 03:56:11,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1130 transitions. [2021-11-03 03:56:11,331 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1130 transitions. Word has length 119 [2021-11-03 03:56:11,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:11,332 INFO L470 AbstractCegarLoop]: Abstraction has 746 states and 1130 transitions. [2021-11-03 03:56:11,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-11-03 03:56:11,332 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1130 transitions. [2021-11-03 03:56:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-03 03:56:11,336 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:11,336 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:11,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:11,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:56:11,556 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:11,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash 433077792, now seen corresponding path program 1 times [2021-11-03 03:56:11,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:11,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384995983] [2021-11-03 03:56:11,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:11,560 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:11,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:11,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:11,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:56:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:12,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:56:12,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-03 03:56:12,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-03 03:56:13,323 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:13,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384995983] [2021-11-03 03:56:13,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384995983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:13,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:13,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:56:13,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653218835] [2021-11-03 03:56:13,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:56:13,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:13,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:56:13,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:56:13,327 INFO L87 Difference]: Start difference. First operand 746 states and 1130 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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) [2021-11-03 03:56:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:14,230 INFO L93 Difference]: Finished difference Result 1605 states and 2443 transitions. [2021-11-03 03:56:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:56:14,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 143 [2021-11-03 03:56:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:14,241 INFO L225 Difference]: With dead ends: 1605 [2021-11-03 03:56:14,242 INFO L226 Difference]: Without dead ends: 993 [2021-11-03 03:56:14,244 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:56:14,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-11-03 03:56:14,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2021-11-03 03:56:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 992 states have (on average 1.5141129032258065) internal successors, (1502), 992 states have internal predecessors, (1502), 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) [2021-11-03 03:56:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1502 transitions. [2021-11-03 03:56:14,299 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1502 transitions. Word has length 143 [2021-11-03 03:56:14,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:14,301 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1502 transitions. [2021-11-03 03:56:14,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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) [2021-11-03 03:56:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1502 transitions. [2021-11-03 03:56:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-03 03:56:14,308 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:14,309 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-03 03:56:14,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:14,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:56:14,523 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:14,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:14,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1035961974, now seen corresponding path program 1 times [2021-11-03 03:56:14,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:14,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347327250] [2021-11-03 03:56:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:14,527 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:14,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:14,530 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:14,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:56:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:15,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 03:56:15,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:15,668 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 [2021-11-03 03:56:15,681 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 [2021-11-03 03:56:15,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:15,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:56:15,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:15,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-03 03:56:15,810 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 [2021-11-03 03:56:16,318 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-11-03 03:56:16,318 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 [2021-11-03 03:56:16,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:16,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:56:16,415 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 221 treesize of output 210 [2021-11-03 03:56:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,566 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 129 treesize of output 101 [2021-11-03 03:56:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,605 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 [2021-11-03 03:56:16,743 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-11-03 03:56:16,744 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 [2021-11-03 03:56:16,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:16,785 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 [2021-11-03 03:56:16,822 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 [2021-11-03 03:56:16,832 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 [2021-11-03 03:56:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-03 03:56:17,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:18,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-03 03:56:18,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-03 03:56:18,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-03 03:56:18,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-11-03 03:56:18,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-11-03 03:56:18,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-11-03 03:56:18,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-11-03 03:56:18,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:18,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-11-03 03:56:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-03 03:56:19,069 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:19,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347327250] [2021-11-03 03:56:19,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347327250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:19,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:19,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:56:19,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988929243] [2021-11-03 03:56:19,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:56:19,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:19,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:56:19,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:56:19,073 INFO L87 Difference]: Start difference. First operand 993 states and 1502 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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) [2021-11-03 03:56:53,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:53,364 INFO L93 Difference]: Finished difference Result 1983 states and 3000 transitions. [2021-11-03 03:56:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:56:53,366 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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 166 [2021-11-03 03:56:53,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:53,374 INFO L225 Difference]: With dead ends: 1983 [2021-11-03 03:56:53,374 INFO L226 Difference]: Without dead ends: 993 [2021-11-03 03:56:53,376 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:56:53,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-11-03 03:56:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2021-11-03 03:56:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 992 states have (on average 1.5131048387096775) internal successors, (1501), 992 states have internal predecessors, (1501), 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) [2021-11-03 03:56:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1501 transitions. [2021-11-03 03:56:53,424 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1501 transitions. Word has length 166 [2021-11-03 03:56:53,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:53,424 INFO L470 AbstractCegarLoop]: Abstraction has 993 states and 1501 transitions. [2021-11-03 03:56:53,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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) [2021-11-03 03:56:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1501 transitions. [2021-11-03 03:56:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-03 03:56:53,429 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:53,430 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-03 03:56:53,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:53,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:56:53,656 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1534397000, now seen corresponding path program 1 times [2021-11-03 03:56:53,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:53,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347949511] [2021-11-03 03:56:53,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:53,660 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:53,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:53,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:53,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:56:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:56,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-03 03:56:56,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5171 treesize of output 5135 [2021-11-03 03:56:56,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:56:56,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7195 [2021-11-03 03:56:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 7619 treesize of output 7245 [2021-11-03 03:56:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:56,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 28 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 5484 treesize of output 5077 [2021-11-03 03:56:57,040 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 5659 treesize of output 5439 [2021-11-03 03:56:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:56:57,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,211 WARN L207 SmtUtils]: Spent 7.70 m on a formula simplification. DAG size of input: 342 DAG size of output: 84 [2021-11-03 04:04:39,213 INFO L354 Elim1Store]: treesize reduction 4275, result has 6.1 percent of original size [2021-11-03 04:04:39,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 12 new quantified variables, introduced 22 case distinctions, treesize of input 5652 treesize of output 4945 [2021-11-03 04:04:39,242 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-03 04:04:39,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:39,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8116 [2021-11-03 04:04:39,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:04:39,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12631 [2021-11-03 04:04:39,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 8534 treesize of output 7678 [2021-11-03 04:04:39,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:04:39,659 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-03 04:04:39,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 66 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5224 treesize of output 5093 [2021-11-03 04:04:39,708 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:04:39,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347949511] [2021-11-03 04:04:39,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Some non-self update cases but no top-level DER relation [2021-11-03 04:04:39,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1946904152] [2021-11-03 04:04:39,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:04:39,710 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 04:04:39,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 04:04:39,719 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 04:04:39,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-03 04:06:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:06:58,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-03 04:06:58,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@66b2fb5c [2021-11-03 04:06:58,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457624995] [2021-11-03 04:06:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:06:58,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:06:58,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:06:58,799 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:06:58,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 04:07:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:01,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-03 04:07:01,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@66b2fb5c [2021-11-03 04:07:01,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:07:01,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-03 04:07:01,770 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-11-03 04:07:01,770 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-03 04:07:01,784 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:07:01,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-11-03 04:07:02,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:07:02,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-03 04:07:02,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:07:02,389 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-03 04:07:02,392 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:07:02,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:07:02 BoogieIcfgContainer [2021-11-03 04:07:02,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:07:02,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:07:02,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:07:02,454 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:07:02,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:05" (3/4) ... [2021-11-03 04:07:02,458 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 04:07:02,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:07:02,461 INFO L168 Benchmark]: Toolchain (without parser) took 671678.14 ms. Allocated memory was 48.2 MB in the beginning and 121.6 MB in the end (delta: 73.4 MB). Free memory was 30.4 MB in the beginning and 52.6 MB in the end (delta: -22.2 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:02,461 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 27.9 MB in the beginning and 27.8 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:07:02,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.37 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 30.2 MB in the beginning and 32.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:02,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.54 ms. Allocated memory is still 58.7 MB. Free memory was 32.4 MB in the beginning and 27.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:02,463 INFO L168 Benchmark]: Boogie Preprocessor took 129.25 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 27.6 MB in the beginning and 44.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:02,464 INFO L168 Benchmark]: RCFGBuilder took 12826.47 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 52.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:02,464 INFO L168 Benchmark]: TraceAbstraction took 657382.23 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 52.1 MB in the beginning and 52.6 MB in the end (delta: -509.7 kB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:02,467 INFO L168 Benchmark]: Witness Printer took 6.34 ms. Allocated memory is still 121.6 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:07:02,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 27.9 MB in the beginning and 27.8 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1203.37 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 30.2 MB in the beginning and 32.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.54 ms. Allocated memory is still 58.7 MB. Free memory was 32.4 MB in the beginning and 27.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.25 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 27.6 MB in the beginning and 44.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12826.47 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 52.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 657382.23 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 52.1 MB in the beginning and 52.6 MB in the end (delta: -509.7 kB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.34 ms. Allocated memory is still 121.6 MB. Free memory is still 52.6 MB. There was no memory consumed. 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 - UnprovableResult [Line: 1757]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [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 [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) [L1161] EXPR s->cert [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 [L1378] COND FALSE !(ret <= 0) [L1383] s->hit [L1383] COND TRUE s->hit [L1384] s->state = 8656 [L1388] s->init_num = 0 [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND TRUE s->state == 8656 [L1601] EXPR s->session [L1601] EXPR s->s3 [L1601] EXPR (s->s3)->tmp.new_cipher [L1601] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1602] COND FALSE !(! tmp___9) [L1608] ret = __VERIFIER_nondet_int() [L1609] COND TRUE blastFlag == 2 [L1610] blastFlag = 3 [L1622] COND FALSE !(ret <= 0) [L1627] s->state = 8672 [L1628] s->init_num = 0 [L1629] COND FALSE !(! tmp___10) [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state [L1266] COND TRUE s->state == 8672 [L1638] ret = __VERIFIER_nondet_int() [L1639] COND TRUE blastFlag == 3 [L1640] blastFlag = 4 [L1644] COND FALSE !(ret <= 0) [L1649] s->state = 8448 [L1650] s->hit [L1650] COND TRUE s->hit [L1651] EXPR s->s3 [L1651] (s->s3)->tmp.next_state = 8640 [L1655] s->init_num = 0 [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state [L1254] COND TRUE s->state == 8640 [L1581] ret = __VERIFIER_nondet_int() [L1582] COND TRUE blastFlag == 4 [L1757] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 657.2s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 36.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1545 SDtfs, 1147 SDslu, 2282 SDs, 0 SdLazy, 516 SolverSat, 73 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 35.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1042 GetRequests, 1026 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=993occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 470.2s InterpolantComputationTime, 691 NumberOfCodeBlocks, 691 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1040 ConstructedInterpolants, 1 QuantifiedInterpolants, 2069 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1878 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 912/912 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 could not prove your program: unable to determine feasibility of some traces [2021-11-03 04:07:02,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59d7c28-e7ed-47f2-8bd3-7a2848b7a279/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN