./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P --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 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:28:23,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:28:23,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:28:23,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:28:23,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:28:23,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:28:23,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:28:23,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:28:23,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:28:23,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:28:23,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:28:23,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:28:23,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:28:23,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:28:23,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:28:23,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:28:23,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:28:23,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:28:23,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:28:23,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:28:23,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:28:23,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:28:23,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:28:23,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:28:23,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:28:23,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:28:23,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:28:23,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:28:23,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:28:23,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:28:23,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:28:23,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:28:23,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:28:23,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:28:23,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:28:23,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:28:23,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:28:23,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:28:23,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:28:23,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:28:23,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:28:23,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:28:23,980 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:28:23,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:28:23,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:28:23,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:28:23,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:28:23,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:28:23,984 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:28:23,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:28:23,985 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:28:23,985 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:28:23,987 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:28:23,987 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:28:23,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:28:23,988 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:28:23,988 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:28:23,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:28:23,989 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:28:23,989 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:28:23,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:28:23,990 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:28:23,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:28:23,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:28:23,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:28:23,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:28:23,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:28:23,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:28:23,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:28:23,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:28:23,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:28:23,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:28:23,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:28:23,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:28:23,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:28:23,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:28:23,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:28:23,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:28:23,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:28:23,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:28:23,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:28:23,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:28:24,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:28:24,000 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_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 [2021-11-21 00:28:24,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:28:24,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:28:24,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:28:24,413 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:28:24,414 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:28:24,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-21 00:28:24,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/b49b0f710/46c02c4f7fe144de9bc66d2cf8bfa493/FLAGe12a91ddb [2021-11-21 00:28:25,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:28:25,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-21 00:28:25,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/b49b0f710/46c02c4f7fe144de9bc66d2cf8bfa493/FLAGe12a91ddb [2021-11-21 00:28:25,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/b49b0f710/46c02c4f7fe144de9bc66d2cf8bfa493 [2021-11-21 00:28:25,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:28:25,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:28:25,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:28:25,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:28:25,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:28:25,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:25" (1/1) ... [2021-11-21 00:28:25,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c839996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:25, skipping insertion in model container [2021-11-21 00:28:25,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:25" (1/1) ... [2021-11-21 00:28:25,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:28:25,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:28:26,116 WARN L230 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_e1d4e27a-feba-495f-ba44-856c540ce3e0/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-21 00:28:26,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:28:26,164 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:28:26,366 WARN L230 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_e1d4e27a-feba-495f-ba44-856c540ce3e0/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-21 00:28:26,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:28:26,405 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:28:26,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26 WrapperNode [2021-11-21 00:28:26,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:28:26,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:28:26,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:28:26,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:28:26,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,563 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 782 [2021-11-21 00:28:26,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:28:26,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:28:26,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:28:26,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:28:26,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:28:26,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:28:26,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:28:26,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:28:26,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (1/1) ... [2021-11-21 00:28:26,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:28:26,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:28:26,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:28:26,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:28:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:28:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:28:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:28:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:28:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:28:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:28:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:28:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:28:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:28:27,091 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:28:27,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:28:27,119 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 00:28:30,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-21 00:28:30,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-21 00:28:30,449 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:28:30,923 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:28:30,923 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 00:28:30,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:28:30 BoogieIcfgContainer [2021-11-21 00:28:30,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:28:30,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:28:30,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:28:30,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:28:30,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:28:25" (1/3) ... [2021-11-21 00:28:30,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6605421f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:28:30, skipping insertion in model container [2021-11-21 00:28:30,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:26" (2/3) ... [2021-11-21 00:28:30,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6605421f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:28:30, skipping insertion in model container [2021-11-21 00:28:30,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:28:30" (3/3) ... [2021-11-21 00:28:30,939 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2021-11-21 00:28:30,946 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:28:30,947 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:28:31,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:28:31,038 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 [2021-11-21 00:28:31,038 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:28:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 106 states have (on average 1.7547169811320755) internal successors, (186), 107 states have internal predecessors, (186), 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) [2021-11-21 00:28:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 00:28:31,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:31,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:28:31,082 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:31,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:31,089 INFO L85 PathProgramCache]: Analyzing trace with hash 867087216, now seen corresponding path program 1 times [2021-11-21 00:28:31,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:31,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947832958] [2021-11-21 00:28:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:31,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:31,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:31,743 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:31,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947832958] [2021-11-21 00:28:31,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947832958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:31,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:31,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:31,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302218052] [2021-11-21 00:28:31,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:31,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:31,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:31,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:31,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:31,793 INFO L87 Difference]: Start difference. First operand has 108 states, 106 states have (on average 1.7547169811320755) internal successors, (186), 107 states have internal predecessors, (186), 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 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-11-21 00:28:33,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:34,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:34,591 INFO L93 Difference]: Finished difference Result 239 states and 412 transitions. [2021-11-21 00:28:34,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:34,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-11-21 00:28:34,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:34,609 INFO L225 Difference]: With dead ends: 239 [2021-11-21 00:28:34,609 INFO L226 Difference]: Without dead ends: 127 [2021-11-21 00:28:34,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:34,618 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 20 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:34,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 396 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 00:28:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-21 00:28:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-21 00:28:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5350877192982457) internal successors, (175), 114 states have internal predecessors, (175), 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) [2021-11-21 00:28:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 175 transitions. [2021-11-21 00:28:34,679 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 175 transitions. Word has length 39 [2021-11-21 00:28:34,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:34,680 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 175 transitions. [2021-11-21 00:28:34,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-11-21 00:28:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 175 transitions. [2021-11-21 00:28:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 00:28:34,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:34,684 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:34,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:28:34,684 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:34,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:34,685 INFO L85 PathProgramCache]: Analyzing trace with hash 880632957, now seen corresponding path program 1 times [2021-11-21 00:28:34,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:34,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849381879] [2021-11-21 00:28:34,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:34,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:34,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:34,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849381879] [2021-11-21 00:28:34,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849381879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:34,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:34,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:34,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771883920] [2021-11-21 00:28:34,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:34,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:34,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:34,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:34,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:34,820 INFO L87 Difference]: Start difference. First operand 115 states and 175 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-21 00:28:36,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:37,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:37,266 INFO L93 Difference]: Finished difference Result 230 states and 344 transitions. [2021-11-21 00:28:37,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:37,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-21 00:28:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:37,270 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:28:37,270 INFO L226 Difference]: Without dead ends: 127 [2021-11-21 00:28:37,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:37,273 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 19 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:37,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 328 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:28:37,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-21 00:28:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-21 00:28:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5263157894736843) internal successors, (174), 114 states have internal predecessors, (174), 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) [2021-11-21 00:28:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 174 transitions. [2021-11-21 00:28:37,314 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 174 transitions. Word has length 49 [2021-11-21 00:28:37,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:37,315 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 174 transitions. [2021-11-21 00:28:37,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-21 00:28:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 174 transitions. [2021-11-21 00:28:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 00:28:37,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:37,320 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:37,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:28:37,322 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:37,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:37,323 INFO L85 PathProgramCache]: Analyzing trace with hash 991018002, now seen corresponding path program 1 times [2021-11-21 00:28:37,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:37,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409637688] [2021-11-21 00:28:37,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:37,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:37,553 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:37,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409637688] [2021-11-21 00:28:37,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409637688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:37,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:37,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:37,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697730189] [2021-11-21 00:28:37,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:37,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:37,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:37,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:37,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:37,557 INFO L87 Difference]: Start difference. First operand 115 states and 174 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-21 00:28:39,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:39,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:39,991 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2021-11-21 00:28:39,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:39,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2021-11-21 00:28:39,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:39,995 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:28:39,995 INFO L226 Difference]: Without dead ends: 127 [2021-11-21 00:28:39,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:39,999 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 17 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:40,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 327 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:28:40,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-21 00:28:40,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-21 00:28:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5175438596491229) internal successors, (173), 114 states have internal predecessors, (173), 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) [2021-11-21 00:28:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 173 transitions. [2021-11-21 00:28:40,014 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 173 transitions. Word has length 50 [2021-11-21 00:28:40,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:40,014 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 173 transitions. [2021-11-21 00:28:40,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-21 00:28:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2021-11-21 00:28:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 00:28:40,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:40,018 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:40,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:28:40,019 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:40,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1298332528, now seen corresponding path program 1 times [2021-11-21 00:28:40,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:40,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126101327] [2021-11-21 00:28:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:40,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:40,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:40,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126101327] [2021-11-21 00:28:40,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126101327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:40,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:40,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:40,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543701703] [2021-11-21 00:28:40,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:40,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:40,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:40,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:40,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:40,116 INFO L87 Difference]: Start difference. First operand 115 states and 173 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-21 00:28:42,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:42,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:42,510 INFO L93 Difference]: Finished difference Result 230 states and 342 transitions. [2021-11-21 00:28:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:42,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-21 00:28:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:42,514 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:28:42,515 INFO L226 Difference]: Without dead ends: 127 [2021-11-21 00:28:42,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:42,517 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 15 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:42,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 327 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:28:42,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-21 00:28:42,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-21 00:28:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 114 states have internal predecessors, (172), 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) [2021-11-21 00:28:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2021-11-21 00:28:42,547 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 51 [2021-11-21 00:28:42,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:42,548 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2021-11-21 00:28:42,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-21 00:28:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2021-11-21 00:28:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 00:28:42,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:42,555 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:42,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:28:42,556 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:42,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:42,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1457916314, now seen corresponding path program 1 times [2021-11-21 00:28:42,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:42,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601014303] [2021-11-21 00:28:42,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:42,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:42,730 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:42,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601014303] [2021-11-21 00:28:42,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601014303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:42,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:42,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:42,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138933215] [2021-11-21 00:28:42,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:42,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:42,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:42,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:42,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:42,737 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-21 00:28:44,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:45,154 INFO L93 Difference]: Finished difference Result 230 states and 341 transitions. [2021-11-21 00:28:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:45,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-21 00:28:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:45,157 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:28:45,157 INFO L226 Difference]: Without dead ends: 127 [2021-11-21 00:28:45,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:45,160 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 11 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:45,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 327 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:28:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-21 00:28:45,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-21 00:28:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5) internal successors, (171), 114 states have internal predecessors, (171), 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) [2021-11-21 00:28:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2021-11-21 00:28:45,172 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 51 [2021-11-21 00:28:45,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:45,173 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2021-11-21 00:28:45,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-21 00:28:45,173 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2021-11-21 00:28:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 00:28:45,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:45,176 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:45,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:28:45,177 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:45,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:45,178 INFO L85 PathProgramCache]: Analyzing trace with hash 366895177, now seen corresponding path program 1 times [2021-11-21 00:28:45,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:45,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686815129] [2021-11-21 00:28:45,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:45,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:45,279 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:45,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686815129] [2021-11-21 00:28:45,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686815129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:45,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:45,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:45,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378818876] [2021-11-21 00:28:45,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:45,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:45,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:45,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:45,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:45,282 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-21 00:28:47,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:47,695 INFO L93 Difference]: Finished difference Result 230 states and 340 transitions. [2021-11-21 00:28:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-21 00:28:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:47,698 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:28:47,698 INFO L226 Difference]: Without dead ends: 127 [2021-11-21 00:28:47,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:47,700 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 9 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:47,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 328 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:28:47,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-21 00:28:47,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-11-21 00:28:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4912280701754386) internal successors, (170), 114 states have internal predecessors, (170), 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) [2021-11-21 00:28:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2021-11-21 00:28:47,711 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 51 [2021-11-21 00:28:47,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:47,712 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2021-11-21 00:28:47,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-21 00:28:47,712 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2021-11-21 00:28:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:28:47,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:47,715 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:47,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:28:47,715 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:47,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:47,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2082176828, now seen corresponding path program 1 times [2021-11-21 00:28:47,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:47,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998440704] [2021-11-21 00:28:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:47,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:47,791 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:47,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998440704] [2021-11-21 00:28:47,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998440704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:47,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:47,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:47,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118664828] [2021-11-21 00:28:47,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:47,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:47,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:47,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:47,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:47,794 INFO L87 Difference]: Start difference. First operand 115 states and 170 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 00:28:49,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:50,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:50,201 INFO L93 Difference]: Finished difference Result 228 states and 337 transitions. [2021-11-21 00:28:50,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:50,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-21 00:28:50,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:50,204 INFO L225 Difference]: With dead ends: 228 [2021-11-21 00:28:50,204 INFO L226 Difference]: Without dead ends: 125 [2021-11-21 00:28:50,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:50,205 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 9 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:50,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 331 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:28:50,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-21 00:28:50,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 115. [2021-11-21 00:28:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4824561403508771) internal successors, (169), 114 states have internal predecessors, (169), 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) [2021-11-21 00:28:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2021-11-21 00:28:50,214 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 52 [2021-11-21 00:28:50,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:50,214 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2021-11-21 00:28:50,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 00:28:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2021-11-21 00:28:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:28:50,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:50,216 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:50,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:28:50,217 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:50,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:50,217 INFO L85 PathProgramCache]: Analyzing trace with hash 613379053, now seen corresponding path program 1 times [2021-11-21 00:28:50,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:50,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765124065] [2021-11-21 00:28:50,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:50,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:50,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:50,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765124065] [2021-11-21 00:28:50,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765124065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:50,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:50,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:50,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592526570] [2021-11-21 00:28:50,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:50,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:50,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:50,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:50,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:50,293 INFO L87 Difference]: Start difference. First operand 115 states and 169 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 00:28:52,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:52,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:52,665 INFO L93 Difference]: Finished difference Result 228 states and 336 transitions. [2021-11-21 00:28:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-21 00:28:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:52,668 INFO L225 Difference]: With dead ends: 228 [2021-11-21 00:28:52,668 INFO L226 Difference]: Without dead ends: 125 [2021-11-21 00:28:52,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:52,670 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 11 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:52,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 331 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:28:52,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-21 00:28:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 115. [2021-11-21 00:28:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4736842105263157) internal successors, (168), 114 states have internal predecessors, (168), 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) [2021-11-21 00:28:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-11-21 00:28:52,679 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 52 [2021-11-21 00:28:52,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:52,679 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-11-21 00:28:52,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-21 00:28:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-11-21 00:28:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 00:28:52,681 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:52,681 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:52,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:28:52,682 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:52,683 INFO L85 PathProgramCache]: Analyzing trace with hash -767111381, now seen corresponding path program 1 times [2021-11-21 00:28:52,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:52,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815935323] [2021-11-21 00:28:52,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:52,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:52,789 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:52,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815935323] [2021-11-21 00:28:52,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815935323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:52,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:52,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:28:52,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415578269] [2021-11-21 00:28:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:52,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:52,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:52,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:52,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:52,792 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-21 00:28:54,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:55,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:55,161 INFO L93 Difference]: Finished difference Result 220 states and 325 transitions. [2021-11-21 00:28:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:55,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2021-11-21 00:28:55,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:55,168 INFO L225 Difference]: With dead ends: 220 [2021-11-21 00:28:55,168 INFO L226 Difference]: Without dead ends: 117 [2021-11-21 00:28:55,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:55,170 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 5 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:55,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 341 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:28:55,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-11-21 00:28:55,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2021-11-21 00:28:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.4649122807017543) internal successors, (167), 114 states have internal predecessors, (167), 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) [2021-11-21 00:28:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 167 transitions. [2021-11-21 00:28:55,182 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 167 transitions. Word has length 53 [2021-11-21 00:28:55,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:55,185 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 167 transitions. [2021-11-21 00:28:55,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-21 00:28:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2021-11-21 00:28:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 00:28:55,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:55,187 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:28:55,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:28:55,188 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:55,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:55,189 INFO L85 PathProgramCache]: Analyzing trace with hash 56263626, now seen corresponding path program 1 times [2021-11-21 00:28:55,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:55,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000501352] [2021-11-21 00:28:55,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:55,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:55,298 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:55,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000501352] [2021-11-21 00:28:55,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000501352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:55,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:55,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:28:55,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302490337] [2021-11-21 00:28:55,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:55,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:55,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:55,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:55,302 INFO L87 Difference]: Start difference. First operand 115 states and 167 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-21 00:28:57,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:28:57,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:28:57,697 INFO L93 Difference]: Finished difference Result 252 states and 373 transitions. [2021-11-21 00:28:57,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:28:57,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 54 [2021-11-21 00:28:57,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:28:57,701 INFO L225 Difference]: With dead ends: 252 [2021-11-21 00:28:57,701 INFO L226 Difference]: Without dead ends: 149 [2021-11-21 00:28:57,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:28:57,703 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 21 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:28:57,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 336 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:28:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-21 00:28:57,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 135. [2021-11-21 00:28:57,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.5) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-11-21 00:28:57,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2021-11-21 00:28:57,713 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 54 [2021-11-21 00:28:57,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:28:57,713 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2021-11-21 00:28:57,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-21 00:28:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2021-11-21 00:28:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:28:57,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:28:57,721 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:28:57,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:28:57,721 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:28:57,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:28:57,723 INFO L85 PathProgramCache]: Analyzing trace with hash -737407913, now seen corresponding path program 1 times [2021-11-21 00:28:57,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:28:57,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781568377] [2021-11-21 00:28:57,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:28:57,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:28:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:28:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:28:57,842 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:28:57,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781568377] [2021-11-21 00:28:57,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781568377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:28:57,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:28:57,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:28:57,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363404357] [2021-11-21 00:28:57,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:28:57,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:28:57,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:28:57,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:28:57,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:28:57,846 INFO L87 Difference]: Start difference. First operand 135 states and 201 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-21 00:28:59,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:00,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:00,243 INFO L93 Difference]: Finished difference Result 272 states and 406 transitions. [2021-11-21 00:29:00,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:00,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2021-11-21 00:29:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:00,245 INFO L225 Difference]: With dead ends: 272 [2021-11-21 00:29:00,246 INFO L226 Difference]: Without dead ends: 149 [2021-11-21 00:29:00,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:00,247 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 32 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:00,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 338 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:29:00,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-21 00:29:00,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 135. [2021-11-21 00:29:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.492537313432836) internal successors, (200), 134 states have internal predecessors, (200), 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) [2021-11-21 00:29:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 200 transitions. [2021-11-21 00:29:00,255 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 200 transitions. Word has length 64 [2021-11-21 00:29:00,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:00,255 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 200 transitions. [2021-11-21 00:29:00,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-21 00:29:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 200 transitions. [2021-11-21 00:29:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 00:29:00,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:00,257 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-21 00:29:00,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:29:00,257 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:00,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1923608712, now seen corresponding path program 1 times [2021-11-21 00:29:00,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:00,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940327858] [2021-11-21 00:29:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:00,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:29:00,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:00,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940327858] [2021-11-21 00:29:00,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940327858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:00,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:00,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:29:00,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838142590] [2021-11-21 00:29:00,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:00,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:29:00,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:29:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:00,406 INFO L87 Difference]: Start difference. First operand 135 states and 200 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-11-21 00:29:02,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:02,857 INFO L93 Difference]: Finished difference Result 275 states and 411 transitions. [2021-11-21 00:29:02,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:29:02,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 65 [2021-11-21 00:29:02,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:02,860 INFO L225 Difference]: With dead ends: 275 [2021-11-21 00:29:02,860 INFO L226 Difference]: Without dead ends: 152 [2021-11-21 00:29:02,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:29:02,862 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 116 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:02,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 237 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 259 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:29:02,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-21 00:29:02,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2021-11-21 00:29:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.4666666666666666) internal successors, (220), 150 states have internal predecessors, (220), 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) [2021-11-21 00:29:02,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 220 transitions. [2021-11-21 00:29:02,872 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 220 transitions. Word has length 65 [2021-11-21 00:29:02,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:02,872 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 220 transitions. [2021-11-21 00:29:02,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-11-21 00:29:02,873 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 00:29:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:29:02,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:02,874 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-21 00:29:02,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:29:02,875 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:02,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:02,876 INFO L85 PathProgramCache]: Analyzing trace with hash -681981543, now seen corresponding path program 1 times [2021-11-21 00:29:02,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:02,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621272113] [2021-11-21 00:29:02,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:02,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:02,952 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:02,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621272113] [2021-11-21 00:29:02,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621272113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:02,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:02,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:29:02,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109945625] [2021-11-21 00:29:02,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:02,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:02,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:02,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:02,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:02,955 INFO L87 Difference]: Start difference. First operand 151 states and 220 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-21 00:29:04,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:05,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:05,352 INFO L93 Difference]: Finished difference Result 304 states and 443 transitions. [2021-11-21 00:29:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:05,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2021-11-21 00:29:05,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:05,356 INFO L225 Difference]: With dead ends: 304 [2021-11-21 00:29:05,356 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:29:05,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:05,358 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 30 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:05,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 338 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:29:05,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:29:05,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2021-11-21 00:29:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.46) internal successors, (219), 150 states have internal predecessors, (219), 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) [2021-11-21 00:29:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2021-11-21 00:29:05,368 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 66 [2021-11-21 00:29:05,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:05,369 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2021-11-21 00:29:05,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-21 00:29:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2021-11-21 00:29:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:29:05,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:05,370 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:29:05,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 00:29:05,370 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:05,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:05,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1298801396, now seen corresponding path program 1 times [2021-11-21 00:29:05,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:05,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389361123] [2021-11-21 00:29:05,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:05,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:05,455 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:05,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389361123] [2021-11-21 00:29:05,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389361123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:05,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:05,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:29:05,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494105275] [2021-11-21 00:29:05,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:05,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:05,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:05,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:05,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:05,458 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-21 00:29:07,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:07,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:07,836 INFO L93 Difference]: Finished difference Result 304 states and 441 transitions. [2021-11-21 00:29:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:07,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2021-11-21 00:29:07,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:07,838 INFO L225 Difference]: With dead ends: 304 [2021-11-21 00:29:07,839 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:29:07,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:07,840 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 25 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:07,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 338 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:29:07,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:29:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2021-11-21 00:29:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.4533333333333334) internal successors, (218), 150 states have internal predecessors, (218), 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) [2021-11-21 00:29:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 218 transitions. [2021-11-21 00:29:07,850 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 218 transitions. Word has length 66 [2021-11-21 00:29:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:07,850 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 218 transitions. [2021-11-21 00:29:07,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-21 00:29:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2021-11-21 00:29:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:29:07,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:07,852 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:29:07,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 00:29:07,853 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:07,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash 207780259, now seen corresponding path program 1 times [2021-11-21 00:29:07,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:07,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392320953] [2021-11-21 00:29:07,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:07,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:07,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:07,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392320953] [2021-11-21 00:29:07,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392320953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:07,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:07,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:29:07,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14834670] [2021-11-21 00:29:07,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:07,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:07,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:07,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:07,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:07,952 INFO L87 Difference]: Start difference. First operand 151 states and 218 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-21 00:29:09,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:10,352 INFO L93 Difference]: Finished difference Result 304 states and 439 transitions. [2021-11-21 00:29:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:10,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2021-11-21 00:29:10,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:10,356 INFO L225 Difference]: With dead ends: 304 [2021-11-21 00:29:10,356 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:29:10,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:10,357 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 23 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:10,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 339 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:29:10,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:29:10,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2021-11-21 00:29:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.4466666666666668) internal successors, (217), 150 states have internal predecessors, (217), 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) [2021-11-21 00:29:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 217 transitions. [2021-11-21 00:29:10,370 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 217 transitions. Word has length 66 [2021-11-21 00:29:10,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:10,371 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 217 transitions. [2021-11-21 00:29:10,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2021-11-21 00:29:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2021-11-21 00:29:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 00:29:10,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:10,373 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-21 00:29:10,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 00:29:10,373 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:10,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:10,374 INFO L85 PathProgramCache]: Analyzing trace with hash -223646073, now seen corresponding path program 1 times [2021-11-21 00:29:10,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:10,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71601494] [2021-11-21 00:29:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:10,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:10,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:10,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71601494] [2021-11-21 00:29:10,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71601494] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:10,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:10,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:29:10,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137614166] [2021-11-21 00:29:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:10,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:10,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:10,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:10,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:10,467 INFO L87 Difference]: Start difference. First operand 151 states and 217 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-11-21 00:29:12,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:12,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:12,886 INFO L93 Difference]: Finished difference Result 304 states and 437 transitions. [2021-11-21 00:29:12,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:12,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2021-11-21 00:29:12,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:12,890 INFO L225 Difference]: With dead ends: 304 [2021-11-21 00:29:12,890 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:29:12,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:12,892 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 27 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:12,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 338 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:29:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:29:12,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2021-11-21 00:29:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.44) internal successors, (216), 150 states have internal predecessors, (216), 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) [2021-11-21 00:29:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 216 transitions. [2021-11-21 00:29:12,902 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 216 transitions. Word has length 67 [2021-11-21 00:29:12,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:12,903 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 216 transitions. [2021-11-21 00:29:12,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-11-21 00:29:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 216 transitions. [2021-11-21 00:29:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 00:29:12,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:12,905 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 00:29:12,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 00:29:12,905 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:12,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:12,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1444581666, now seen corresponding path program 1 times [2021-11-21 00:29:12,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:12,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055067738] [2021-11-21 00:29:12,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:12,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:12,986 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:12,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055067738] [2021-11-21 00:29:12,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055067738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:12,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:12,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:29:12,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053776262] [2021-11-21 00:29:12,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:12,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:12,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:12,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:12,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:12,989 INFO L87 Difference]: Start difference. First operand 151 states and 216 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-11-21 00:29:15,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:15,352 INFO L93 Difference]: Finished difference Result 302 states and 433 transitions. [2021-11-21 00:29:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:15,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2021-11-21 00:29:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:15,355 INFO L225 Difference]: With dead ends: 302 [2021-11-21 00:29:15,355 INFO L226 Difference]: Without dead ends: 163 [2021-11-21 00:29:15,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:15,356 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 22 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:15,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 342 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:29:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-21 00:29:15,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2021-11-21 00:29:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.4333333333333333) internal successors, (215), 150 states have internal predecessors, (215), 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) [2021-11-21 00:29:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 215 transitions. [2021-11-21 00:29:15,364 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 215 transitions. Word has length 67 [2021-11-21 00:29:15,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:15,365 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 215 transitions. [2021-11-21 00:29:15,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-11-21 00:29:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2021-11-21 00:29:15,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 00:29:15,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:15,367 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-11-21 00:29:15,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 00:29:15,367 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:15,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:15,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1930352994, now seen corresponding path program 1 times [2021-11-21 00:29:15,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:15,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991624969] [2021-11-21 00:29:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:15,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:15,477 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:15,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991624969] [2021-11-21 00:29:15,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991624969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:15,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:15,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:29:15,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986082161] [2021-11-21 00:29:15,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:15,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:15,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:15,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:15,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:15,480 INFO L87 Difference]: Start difference. First operand 151 states and 215 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-21 00:29:17,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:17,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:17,881 INFO L93 Difference]: Finished difference Result 302 states and 431 transitions. [2021-11-21 00:29:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:17,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2021-11-21 00:29:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:17,885 INFO L225 Difference]: With dead ends: 302 [2021-11-21 00:29:17,885 INFO L226 Difference]: Without dead ends: 163 [2021-11-21 00:29:17,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:17,886 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 24 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:17,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 342 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:29:17,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-21 00:29:17,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2021-11-21 00:29:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.4266666666666667) internal successors, (214), 150 states have internal predecessors, (214), 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) [2021-11-21 00:29:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 214 transitions. [2021-11-21 00:29:17,896 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 214 transitions. Word has length 68 [2021-11-21 00:29:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:17,896 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 214 transitions. [2021-11-21 00:29:17,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-21 00:29:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 214 transitions. [2021-11-21 00:29:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 00:29:17,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:17,898 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2021-11-21 00:29:17,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 00:29:17,899 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2033897300, now seen corresponding path program 1 times [2021-11-21 00:29:17,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:17,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429549180] [2021-11-21 00:29:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:17,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:17,974 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:17,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429549180] [2021-11-21 00:29:17,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429549180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:17,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:17,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:29:17,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769824560] [2021-11-21 00:29:17,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:17,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:17,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:17,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:17,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:17,978 INFO L87 Difference]: Start difference. First operand 151 states and 214 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2021-11-21 00:29:19,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:20,317 INFO L93 Difference]: Finished difference Result 294 states and 420 transitions. [2021-11-21 00:29:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 69 [2021-11-21 00:29:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:20,320 INFO L225 Difference]: With dead ends: 294 [2021-11-21 00:29:20,320 INFO L226 Difference]: Without dead ends: 155 [2021-11-21 00:29:20,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:29:20,322 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 18 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:20,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 350 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:29:20,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-21 00:29:20,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2021-11-21 00:29:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.42) internal successors, (213), 150 states have internal predecessors, (213), 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) [2021-11-21 00:29:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 213 transitions. [2021-11-21 00:29:20,331 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 213 transitions. Word has length 69 [2021-11-21 00:29:20,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:20,332 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 213 transitions. [2021-11-21 00:29:20,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2021-11-21 00:29:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2021-11-21 00:29:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 00:29:20,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:20,334 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-21 00:29:20,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 00:29:20,335 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:20,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:20,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2141280740, now seen corresponding path program 1 times [2021-11-21 00:29:20,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:20,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864502185] [2021-11-21 00:29:20,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:20,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:20,448 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:29:20,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864502185] [2021-11-21 00:29:20,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864502185] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:29:20,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844672544] [2021-11-21 00:29:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:20,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:29:20,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:29:20,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:29:20,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:29:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:20,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 00:29:20,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:29:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:21,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:29:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 00:29:21,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844672544] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 00:29:21,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 00:29:21,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2021-11-21 00:29:21,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065326944] [2021-11-21 00:29:21,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:21,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:29:21,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:29:21,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:29:21,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:29:21,387 INFO L87 Difference]: Start difference. First operand 151 states and 213 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-11-21 00:29:23,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:23,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:23,528 INFO L93 Difference]: Finished difference Result 287 states and 411 transitions. [2021-11-21 00:29:23,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:29:23,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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 72 [2021-11-21 00:29:23,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:23,533 INFO L225 Difference]: With dead ends: 287 [2021-11-21 00:29:23,534 INFO L226 Difference]: Without dead ends: 285 [2021-11-21 00:29:23,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:29:23,535 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 106 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:23,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 282 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:29:23,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-11-21 00:29:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2021-11-21 00:29:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.4432624113475176) internal successors, (407), 282 states have internal predecessors, (407), 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) [2021-11-21 00:29:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 407 transitions. [2021-11-21 00:29:23,550 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 407 transitions. Word has length 72 [2021-11-21 00:29:23,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:23,551 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 407 transitions. [2021-11-21 00:29:23,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-11-21 00:29:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 407 transitions. [2021-11-21 00:29:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 00:29:23,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:23,554 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:29:23,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:29:23,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:29:23,780 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:23,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:23,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1570820469, now seen corresponding path program 1 times [2021-11-21 00:29:23,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:29:23,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166215207] [2021-11-21 00:29:23,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:23,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:29:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 00:29:24,442 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 00:29:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 00:29:25,133 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 00:29:25,134 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 00:29:25,137 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 00:29:25,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-21 00:29:25,144 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:29:25,149 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 00:29:25,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:29:25 BoogieIcfgContainer [2021-11-21 00:29:25,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:29:25,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:29:25,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:29:25,394 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:29:25,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:28:30" (3/4) ... [2021-11-21 00:29:25,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 00:29:25,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:29:25,400 INFO L158 Benchmark]: Toolchain (without parser) took 59956.33ms. Allocated memory was 100.7MB in the beginning and 172.0MB in the end (delta: 71.3MB). Free memory was 64.4MB in the beginning and 70.1MB in the end (delta: -5.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2021-11-21 00:29:25,400 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:29:25,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 960.19ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 53.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 00:29:25,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.87ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 48.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 00:29:25,407 INFO L158 Benchmark]: Boogie Preprocessor took 166.79ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 41.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 00:29:25,408 INFO L158 Benchmark]: RCFGBuilder took 4186.96ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 41.7MB in the beginning and 51.5MB in the end (delta: -9.8MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2021-11-21 00:29:25,411 INFO L158 Benchmark]: TraceAbstraction took 54464.12ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 50.4MB in the beginning and 71.2MB in the end (delta: -20.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2021-11-21 00:29:25,412 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 172.0MB. Free memory was 71.2MB in the beginning and 70.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:29:25,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 960.19ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 53.5MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.87ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 48.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.79ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 41.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4186.96ms. Allocated memory was 100.7MB in the beginning and 134.2MB in the end (delta: 33.6MB). Free memory was 41.7MB in the beginning and 51.5MB in the end (delta: -9.8MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 54464.12ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 50.4MB in the beginning and 71.2MB in the end (delta: -20.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 172.0MB. Free memory was 71.2MB in the beginning and 70.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 1733]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1152. 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)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [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 VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->cert={4294967297:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [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 VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2}, blastFlag=1, got_new_session=0, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967336, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->s3={4294967301:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit [L1383] COND TRUE s->hit [L1384] s->state = 8656 [L1388] s->init_num = 0 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967336, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->s3={4294967301:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2}, blastFlag=2, got_new_session=1, init=1, ret=1, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND TRUE s->state == 8656 [L1581] EXPR s->session [L1581] EXPR s->s3 [L1581] EXPR (s->s3)->tmp.new_cipher [L1581] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1582] COND FALSE !(! tmp___9) [L1588] ret = __VERIFIER_nondet_int() [L1589] COND TRUE blastFlag == 2 [L1590] blastFlag = 4 VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1605] COND FALSE !(! tmp___10) VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2}, (s->s3)->tmp.reuse_message=4294967336, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->s3={4294967301:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=13, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 4 VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=-11, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1733] reach_error() VAL [={0:-2}, blastFlag=4, got_new_session=1, init=1, ret=-11, s={-1:0}, s={-1:0}, s->info_callback={4294967342:4294967347}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.1s, OverallIterations: 21, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 48.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 560 SdHoareTripleChecker+Valid, 47.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 560 mSDsluCounter, 6616 SdHoareTripleChecker+Invalid, 46.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4257 mSDsCounter, 159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2883 IncrementalHoareTripleChecker+Invalid, 3062 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 159 mSolverCounterUnsat, 2599 mSDtfsCounter, 2883 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 171 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=20, InterpolantAutomatonStates: 81, 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, 20 MinimizatonAttempts, 209 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1355 NumberOfCodeBlocks, 1355 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1294 ConstructedInterpolants, 0 QuantifiedInterpolants, 2908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 357 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 22 InterpolantComputations, 20 PerfectInterpolantSequences, 301/373 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 [2021-11-21 00:29:25,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/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 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_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P --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 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:29:28,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:29:28,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:29:28,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:29:28,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:29:28,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:29:28,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:29:28,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:29:28,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:29:28,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:29:28,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:29:28,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:29:28,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:29:28,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:29:28,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:29:28,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:29:28,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:29:28,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:29:28,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:29:28,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:29:28,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:29:28,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:29:28,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:29:28,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:29:28,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:29:28,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:29:28,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:29:28,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:29:28,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:29:28,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:29:28,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:29:28,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:29:28,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:29:28,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:29:28,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:29:28,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:29:28,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:29:28,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:29:28,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:29:28,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:29:28,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:29:28,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-21 00:29:28,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:29:28,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:29:28,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:29:28,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:29:28,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:29:28,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:29:28,685 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:29:28,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:29:28,686 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:29:28,686 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:29:28,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:29:28,687 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:29:28,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:29:28,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:29:28,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:29:28,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:29:28,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:29:28,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:29:28,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:29:28,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 00:29:28,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 00:29:28,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:29:28,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:29:28,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:29:28,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:29:28,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:29:28,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 00:29:28,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:29:28,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:29:28,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:29:28,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:29:28,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:29:28,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 00:29:28,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 00:29:28,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:29:28,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:29:28,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:29:28,701 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_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 [2021-11-21 00:29:29,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:29:29,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:29:29,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:29:29,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:29:29,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:29:29,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-21 00:29:29,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/4d2e3eb10/a44f75ef9cee4d25ae1e5f3f5cce629d/FLAG466bc8e7f [2021-11-21 00:29:30,145 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:29:30,146 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-11-21 00:29:30,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/4d2e3eb10/a44f75ef9cee4d25ae1e5f3f5cce629d/FLAG466bc8e7f [2021-11-21 00:29:30,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/data/4d2e3eb10/a44f75ef9cee4d25ae1e5f3f5cce629d [2021-11-21 00:29:30,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:29:30,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:29:30,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:29:30,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:29:30,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:29:30,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:29:30" (1/1) ... [2021-11-21 00:29:30,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4908cb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:30, skipping insertion in model container [2021-11-21 00:29:30,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:29:30" (1/1) ... [2021-11-21 00:29:30,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:29:30,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:29:31,160 WARN L230 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_e1d4e27a-feba-495f-ba44-856c540ce3e0/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-21 00:29:31,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:29:31,210 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:29:31,434 WARN L230 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_e1d4e27a-feba-495f-ba44-856c540ce3e0/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-11-21 00:29:31,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:29:31,470 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:29:31,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31 WrapperNode [2021-11-21 00:29:31,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:29:31,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:29:31,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:29:31,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:29:31,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,619 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 752 [2021-11-21 00:29:31,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:29:31,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:29:31,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:29:31,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:29:31,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:29:31,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:29:31,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:29:31,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:29:31,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (1/1) ... [2021-11-21 00:29:31,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:29:31,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:29:31,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:29:31,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:29:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:29:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 00:29:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:29:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 00:29:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:29:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:29:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:29:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:29:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 00:29:32,134 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:29:32,136 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:29:32,188 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 00:29:36,781 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-21 00:29:36,781 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-21 00:29:36,781 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:29:36,799 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:29:36,800 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 00:29:36,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:29:36 BoogieIcfgContainer [2021-11-21 00:29:36,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:29:36,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:29:36,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:29:36,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:29:36,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:29:30" (1/3) ... [2021-11-21 00:29:36,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d331b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:29:36, skipping insertion in model container [2021-11-21 00:29:36,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:29:31" (2/3) ... [2021-11-21 00:29:36,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d331b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:29:36, skipping insertion in model container [2021-11-21 00:29:36,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:29:36" (3/3) ... [2021-11-21 00:29:36,816 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2021-11-21 00:29:36,823 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:29:36,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:29:36,904 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:29:36,928 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 [2021-11-21 00:29:36,932 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:29:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:29:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 00:29:36,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:36,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:29:36,979 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:36,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:36,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-11-21 00:29:37,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:29:37,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115008192] [2021-11-21 00:29:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:37,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:29:37,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:29:37,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:29:37,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 00:29:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:37,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:29:37,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:29:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:37,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:29:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:38,237 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:29:38,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115008192] [2021-11-21 00:29:38,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115008192] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:38,239 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:38,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-21 00:29:38,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115454601] [2021-11-21 00:29:38,242 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:38,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:38,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:29:38,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:38,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:38,295 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:29:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:38,520 INFO L93 Difference]: Finished difference Result 542 states and 920 transitions. [2021-11-21 00:29:38,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:38,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-21 00:29:38,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:38,541 INFO L225 Difference]: With dead ends: 542 [2021-11-21 00:29:38,541 INFO L226 Difference]: Without dead ends: 368 [2021-11-21 00:29:38,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:38,551 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 370 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:38,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 671 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:29:38,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-21 00:29:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-11-21 00:29:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.5231607629427792) internal successors, (559), 367 states have internal predecessors, (559), 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) [2021-11-21 00:29:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 559 transitions. [2021-11-21 00:29:38,635 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 559 transitions. Word has length 47 [2021-11-21 00:29:38,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:38,636 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 559 transitions. [2021-11-21 00:29:38,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:29:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 559 transitions. [2021-11-21 00:29:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 00:29:38,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:38,645 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:29:38,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:29:38,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:29:38,859 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:38,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:38,860 INFO L85 PathProgramCache]: Analyzing trace with hash -709781834, now seen corresponding path program 1 times [2021-11-21 00:29:38,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:29:38,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409322729] [2021-11-21 00:29:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:38,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:29:38,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:29:38,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:29:38,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-21 00:29:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:39,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:29:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:29:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:39,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:29:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:29:40,231 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:29:40,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409322729] [2021-11-21 00:29:40,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409322729] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:40,232 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:40,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-21 00:29:40,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533095663] [2021-11-21 00:29:40,234 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:40,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:29:40,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:29:40,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:29:40,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:40,242 INFO L87 Difference]: Start difference. First operand 368 states and 559 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:29:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:40,395 INFO L93 Difference]: Finished difference Result 841 states and 1285 transitions. [2021-11-21 00:29:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:29:40,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-21 00:29:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:40,405 INFO L225 Difference]: With dead ends: 841 [2021-11-21 00:29:40,405 INFO L226 Difference]: Without dead ends: 602 [2021-11-21 00:29:40,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:29:40,419 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 289 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:40,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 723 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:29:40,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-11-21 00:29:40,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2021-11-21 00:29:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.519134775374376) internal successors, (913), 601 states have internal predecessors, (913), 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) [2021-11-21 00:29:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 913 transitions. [2021-11-21 00:29:40,473 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 913 transitions. Word has length 105 [2021-11-21 00:29:40,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:40,474 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 913 transitions. [2021-11-21 00:29:40,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:29:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 913 transitions. [2021-11-21 00:29:40,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 00:29:40,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:40,482 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:29:40,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:29:40,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:29:40,698 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:40,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:40,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1128276771, now seen corresponding path program 1 times [2021-11-21 00:29:40,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:29:40,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184057379] [2021-11-21 00:29:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:40,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:29:40,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:29:40,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:29:40,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-21 00:29:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:29:41,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 00:29:41,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:29:41,348 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 [2021-11-21 00:29:41,365 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 [2021-11-21 00:29:41,564 INFO L354 Elim1Store]: treesize reduction 96, result has 16.5 percent of original size [2021-11-21 00:29:41,565 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 2 case distinctions, treesize of input 34 treesize of output 22 [2021-11-21 00:29:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2021-11-21 00:29:41,733 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-21 00:29:41,733 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 1 case distinctions, treesize of input 29 treesize of output 13 [2021-11-21 00:29:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-11-21 00:29:41,820 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 [2021-11-21 00:29:41,838 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 [2021-11-21 00:29:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-21 00:29:42,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:29:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-21 00:29:43,247 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 00:29:43,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184057379] [2021-11-21 00:29:43,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184057379] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 00:29:43,248 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:29:43,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-21 00:29:43,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140087172] [2021-11-21 00:29:43,249 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 00:29:43,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:29:43,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 00:29:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:29:43,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:29:43,251 INFO L87 Difference]: Start difference. First operand 602 states and 913 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:29:45,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:29:48,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:29:48,677 INFO L93 Difference]: Finished difference Result 1201 states and 1822 transitions. [2021-11-21 00:29:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:29:48,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-11-21 00:29:48,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:29:48,685 INFO L225 Difference]: With dead ends: 1201 [2021-11-21 00:29:48,685 INFO L226 Difference]: Without dead ends: 602 [2021-11-21 00:29:48,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-21 00:29:48,688 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 5 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:29:48,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 925 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 214 Invalid, 1 Unknown, 58 Unchecked, 5.3s Time] [2021-11-21 00:29:48,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-11-21 00:29:48,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2021-11-21 00:29:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.5174708818635607) internal successors, (912), 601 states have internal predecessors, (912), 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) [2021-11-21 00:29:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 912 transitions. [2021-11-21 00:29:48,721 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 912 transitions. Word has length 127 [2021-11-21 00:29:48,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:29:48,722 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 912 transitions. [2021-11-21 00:29:48,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:29:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 912 transitions. [2021-11-21 00:29:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 00:29:48,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:29:48,727 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:29:48,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:29:48,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:29:48,945 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:29:48,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:29:48,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1834873377, now seen corresponding path program 1 times [2021-11-21 00:29:48,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 00:29:48,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748107251] [2021-11-21 00:29:48,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:29:48,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 00:29:48,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 00:29:48,952 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 00:29:48,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-21 00:29:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 00:29:49,903 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 00:29:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 00:29:51,230 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-21 00:29:51,231 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 00:29:51,232 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 00:29:51,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:29:51,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 00:29:51,460 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-21 00:29:51,466 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 00:29:51,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:29:51 BoogieIcfgContainer [2021-11-21 00:29:51,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:29:51,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:29:51,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:29:51,706 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:29:51,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:29:36" (3/4) ... [2021-11-21 00:29:51,709 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 00:29:51,889 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 00:29:51,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:29:51,893 INFO L158 Benchmark]: Toolchain (without parser) took 21551.42ms. Allocated memory was 54.5MB in the beginning and 113.2MB in the end (delta: 58.7MB). Free memory was 30.5MB in the beginning and 39.3MB in the end (delta: -8.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2021-11-21 00:29:51,894 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:29:51,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1129.34ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 40.7MB in the end (delta: -10.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-21 00:29:51,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.54ms. Allocated memory is still 67.1MB. Free memory was 40.7MB in the beginning and 36.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 00:29:51,901 INFO L158 Benchmark]: Boogie Preprocessor took 169.54ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 41.9MB in the end (delta: -5.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-21 00:29:51,901 INFO L158 Benchmark]: RCFGBuilder took 5011.36ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 41.9MB in the beginning and 42.2MB in the end (delta: -286.4kB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2021-11-21 00:29:51,902 INFO L158 Benchmark]: TraceAbstraction took 14899.61ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 41.6MB in the beginning and 57.3MB in the end (delta: -15.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-11-21 00:29:51,902 INFO L158 Benchmark]: Witness Printer took 183.72ms. Allocated memory is still 113.2MB. Free memory was 57.3MB in the beginning and 39.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-21 00:29:51,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1129.34ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 40.7MB in the end (delta: -10.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.54ms. Allocated memory is still 67.1MB. Free memory was 40.7MB in the beginning and 36.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.54ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 41.9MB in the end (delta: -5.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5011.36ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 41.9MB in the beginning and 42.2MB in the end (delta: -286.4kB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * TraceAbstraction took 14899.61ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 41.6MB in the beginning and 57.3MB in the end (delta: -15.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 183.72ms. Allocated memory is still 113.2MB. Free memory was 57.3MB in the beginning and 39.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1733]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0] [L1161] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->cert={-2147483641:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, Time=9, tmp=9, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={12:0}, s={12:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=0, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=9, tmp=9, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1383] COND TRUE s->hit [L1384] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1388] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=9, tmp=9, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0] [L1260] COND TRUE s->state == 8656 [L1581] EXPR s->session [L1581] EXPR s->s3 [L1581] EXPR (s->s3)->tmp.new_cipher [L1581] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1582] COND FALSE !(! tmp___9) [L1588] ret = __VERIFIER_nondet_int() [L1589] COND TRUE blastFlag == 2 [L1590] blastFlag = 4 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___9=2] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___9=2] [L1605] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->s3={5:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=1073741824, s={12:0}, s={12:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 4 VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=10, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] [L1733] reach_error() VAL [={0:-2147483648}, blastFlag=4, got_new_session=1, init=1, ret=10, s={12:0}, s={12:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=9, tmp=9, tmp___1=0, tmp___10=2, tmp___9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 664 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 664 mSDsluCounter, 2319 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 58 IncrementalHoareTripleChecker+Unchecked, 1530 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 789 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 541 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 552 ConstructedInterpolants, 1 QuantifiedInterpolants, 1163 SizeOfPredicates, 12 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 322/322 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-21 00:29:52,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1d4e27a-feba-495f-ba44-856c540ce3e0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE