./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.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_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/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_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/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_9cd6c874-9f14-4fa2-9925-4408dc615ec7/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 cd6854ce29c7bf580cd3e782b287f65f1203c66552ea1ec9f0128f94f0f3ec92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:18:11,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:18:11,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:18:11,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:18:11,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:18:11,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:18:11,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:18:11,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:18:11,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:18:11,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:18:11,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:18:11,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:18:11,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:18:11,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:18:11,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:18:12,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:18:12,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:18:12,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:18:12,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:18:12,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:18:12,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:18:12,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:18:12,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:18:12,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:18:12,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:18:12,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:18:12,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:18:12,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:18:12,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:18:12,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:18:12,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:18:12,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:18:12,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:18:12,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:18:12,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:18:12,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:18:12,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:18:12,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:18:12,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:18:12,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:18:12,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:18:12,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:18:12,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:18:12,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:18:12,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:18:12,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:18:12,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:18:12,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:18:12,065 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:18:12,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:18:12,065 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:18:12,065 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:18:12,065 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:18:12,066 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:18:12,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:18:12,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:18:12,066 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:18:12,067 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:18:12,067 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:18:12,067 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:18:12,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:18:12,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:18:12,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:18:12,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:18:12,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:18:12,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:18:12,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:18:12,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:18:12,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:18:12,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:18:12,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:18:12,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:18:12,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:18:12,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:18:12,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:18:12,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:18:12,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:18:12,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:18:12,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:18:12,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:18:12,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:18:12,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:18:12,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:18:12,072 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_9cd6c874-9f14-4fa2-9925-4408dc615ec7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6854ce29c7bf580cd3e782b287f65f1203c66552ea1ec9f0128f94f0f3ec92 [2021-11-21 01:18:12,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:18:12,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:18:12,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:18:12,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:18:12,356 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:18:12,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2021-11-21 01:18:12,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/data/12bba5c9a/0a8713378b3f4ea9ae2aebd90f6f3b34/FLAG2d54a2c1b [2021-11-21 01:18:12,864 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:18:12,865 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2021-11-21 01:18:12,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/data/12bba5c9a/0a8713378b3f4ea9ae2aebd90f6f3b34/FLAG2d54a2c1b [2021-11-21 01:18:13,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/data/12bba5c9a/0a8713378b3f4ea9ae2aebd90f6f3b34 [2021-11-21 01:18:13,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:18:13,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:18:13,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:18:13,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:18:13,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:18:13,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5a6b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13, skipping insertion in model container [2021-11-21 01:18:13,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:18:13,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:18:13,553 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_9cd6c874-9f14-4fa2-9925-4408dc615ec7/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c[37413,37426] [2021-11-21 01:18:13,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:18:13,567 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:18:13,614 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_9cd6c874-9f14-4fa2-9925-4408dc615ec7/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c[37413,37426] [2021-11-21 01:18:13,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:18:13,629 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:18:13,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13 WrapperNode [2021-11-21 01:18:13,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:18:13,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:18:13,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:18:13,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:18:13,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,703 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 475 [2021-11-21 01:18:13,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:18:13,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:18:13,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:18:13,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:18:13,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:18:13,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:18:13,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:18:13,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:18:13,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (1/1) ... [2021-11-21 01:18:13,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:18:13,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:18:13,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:18:13,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:18:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:18:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:18:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:18:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:18:13,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:18:13,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:18:13,976 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:18:14,519 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-21 01:18:14,519 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-21 01:18:14,519 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:18:14,681 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:18:14,682 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:18:14,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:18:14 BoogieIcfgContainer [2021-11-21 01:18:14,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:18:14,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:18:14,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:18:14,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:18:14,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:18:13" (1/3) ... [2021-11-21 01:18:14,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8cd43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:18:14, skipping insertion in model container [2021-11-21 01:18:14,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:18:13" (2/3) ... [2021-11-21 01:18:14,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8cd43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:18:14, skipping insertion in model container [2021-11-21 01:18:14,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:18:14" (3/3) ... [2021-11-21 01:18:14,693 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.c [2021-11-21 01:18:14,698 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:18:14,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:18:14,765 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:18:14,775 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 01:18:14,775 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:18:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 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 01:18:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 01:18:14,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:14,815 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:14,816 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:14,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:14,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1079361268, now seen corresponding path program 1 times [2021-11-21 01:18:14,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:14,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44580399] [2021-11-21 01:18:14,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:14,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:15,127 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 01:18:15,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:15,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44580399] [2021-11-21 01:18:15,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44580399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:15,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:15,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:15,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022921781] [2021-11-21 01:18:15,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:15,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:15,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:15,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:15,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:15,182 INFO L87 Difference]: Start difference. First operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 01:18:15,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:15,356 INFO L93 Difference]: Finished difference Result 196 states and 338 transitions. [2021-11-21 01:18:15,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:15,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-11-21 01:18:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:15,369 INFO L225 Difference]: With dead ends: 196 [2021-11-21 01:18:15,369 INFO L226 Difference]: Without dead ends: 107 [2021-11-21 01:18:15,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:15,376 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 109 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:15,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 79 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:15,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-21 01:18:15,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102. [2021-11-21 01:18:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 101 states have internal predecessors, (155), 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 01:18:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2021-11-21 01:18:15,420 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 19 [2021-11-21 01:18:15,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:15,421 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2021-11-21 01:18:15,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 01:18:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2021-11-21 01:18:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:18:15,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:15,423 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] [2021-11-21 01:18:15,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:18:15,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:15,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:15,424 INFO L85 PathProgramCache]: Analyzing trace with hash 894912901, now seen corresponding path program 1 times [2021-11-21 01:18:15,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:15,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178172743] [2021-11-21 01:18:15,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:15,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:15,479 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 01:18:15,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:15,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178172743] [2021-11-21 01:18:15,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178172743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:15,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:15,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:15,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748572913] [2021-11-21 01:18:15,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:15,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:15,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:15,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:15,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:15,483 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 01:18:15,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:15,620 INFO L93 Difference]: Finished difference Result 230 states and 354 transitions. [2021-11-21 01:18:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:15,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2021-11-21 01:18:15,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:15,622 INFO L225 Difference]: With dead ends: 230 [2021-11-21 01:18:15,622 INFO L226 Difference]: Without dead ends: 129 [2021-11-21 01:18:15,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:15,625 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 85 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:15,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 53 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:15,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-21 01:18:15,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 124. [2021-11-21 01:18:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.5772357723577235) internal successors, (194), 123 states have internal predecessors, (194), 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 01:18:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 194 transitions. [2021-11-21 01:18:15,639 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 194 transitions. Word has length 20 [2021-11-21 01:18:15,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:15,639 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 194 transitions. [2021-11-21 01:18:15,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 01:18:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2021-11-21 01:18:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 01:18:15,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:15,642 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:18:15,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:18:15,642 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:15,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:15,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1901329050, now seen corresponding path program 1 times [2021-11-21 01:18:15,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:15,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484117473] [2021-11-21 01:18:15,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:15,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:15,699 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:15,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484117473] [2021-11-21 01:18:15,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484117473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:15,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:15,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:15,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021496702] [2021-11-21 01:18:15,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:15,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:15,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:15,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:15,702 INFO L87 Difference]: Start difference. First operand 124 states and 194 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 01:18:15,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:15,829 INFO L93 Difference]: Finished difference Result 268 states and 423 transitions. [2021-11-21 01:18:15,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:15,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-21 01:18:15,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:15,836 INFO L225 Difference]: With dead ends: 268 [2021-11-21 01:18:15,837 INFO L226 Difference]: Without dead ends: 145 [2021-11-21 01:18:15,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:15,847 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 88 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:15,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 49 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:15,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-21 01:18:15,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-11-21 01:18:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.591549295774648) internal successors, (226), 142 states have internal predecessors, (226), 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 01:18:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 226 transitions. [2021-11-21 01:18:15,867 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 226 transitions. Word has length 37 [2021-11-21 01:18:15,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:15,867 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 226 transitions. [2021-11-21 01:18:15,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 01:18:15,868 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2021-11-21 01:18:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 01:18:15,870 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:15,870 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:18:15,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:18:15,871 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:15,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1209703999, now seen corresponding path program 1 times [2021-11-21 01:18:15,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:15,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695299024] [2021-11-21 01:18:15,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:15,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:15,947 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:15,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695299024] [2021-11-21 01:18:15,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695299024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:15,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:15,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:15,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529480472] [2021-11-21 01:18:15,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:15,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:15,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:15,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:15,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:15,952 INFO L87 Difference]: Start difference. First operand 143 states and 226 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 01:18:16,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:16,090 INFO L93 Difference]: Finished difference Result 287 states and 453 transitions. [2021-11-21 01:18:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:16,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 38 [2021-11-21 01:18:16,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:16,092 INFO L225 Difference]: With dead ends: 287 [2021-11-21 01:18:16,093 INFO L226 Difference]: Without dead ends: 145 [2021-11-21 01:18:16,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,105 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 87 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:16,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 49 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-21 01:18:16,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-11-21 01:18:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5774647887323943) internal successors, (224), 142 states have internal predecessors, (224), 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 01:18:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 224 transitions. [2021-11-21 01:18:16,131 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 224 transitions. Word has length 38 [2021-11-21 01:18:16,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:16,132 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 224 transitions. [2021-11-21 01:18:16,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 01:18:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 224 transitions. [2021-11-21 01:18:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:18:16,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:16,140 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-21 01:18:16,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:18:16,141 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:16,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:16,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2016074604, now seen corresponding path program 1 times [2021-11-21 01:18:16,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:16,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231294599] [2021-11-21 01:18:16,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:16,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 01:18:16,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:16,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231294599] [2021-11-21 01:18:16,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231294599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:16,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:16,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:16,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475367185] [2021-11-21 01:18:16,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:16,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:16,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:16,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:16,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,193 INFO L87 Difference]: Start difference. First operand 143 states and 224 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 01:18:16,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:16,301 INFO L93 Difference]: Finished difference Result 305 states and 481 transitions. [2021-11-21 01:18:16,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:16,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 01:18:16,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:16,303 INFO L225 Difference]: With dead ends: 305 [2021-11-21 01:18:16,304 INFO L226 Difference]: Without dead ends: 163 [2021-11-21 01:18:16,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,305 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 90 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:16,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 51 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:16,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-21 01:18:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2021-11-21 01:18:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.578616352201258) internal successors, (251), 159 states have internal predecessors, (251), 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 01:18:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 251 transitions. [2021-11-21 01:18:16,319 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 251 transitions. Word has length 52 [2021-11-21 01:18:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:16,319 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 251 transitions. [2021-11-21 01:18:16,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 01:18:16,320 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 251 transitions. [2021-11-21 01:18:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 01:18:16,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:16,321 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:16,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:18:16,321 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:16,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:16,322 INFO L85 PathProgramCache]: Analyzing trace with hash 879629819, now seen corresponding path program 1 times [2021-11-21 01:18:16,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:16,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992285820] [2021-11-21 01:18:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:16,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:16,402 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 01:18:16,402 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:16,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992285820] [2021-11-21 01:18:16,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992285820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:16,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:16,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:16,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559451649] [2021-11-21 01:18:16,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:16,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:16,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:16,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:16,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,404 INFO L87 Difference]: Start difference. First operand 160 states and 251 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 01:18:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:16,522 INFO L93 Difference]: Finished difference Result 322 states and 505 transitions. [2021-11-21 01:18:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:16,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 53 [2021-11-21 01:18:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:16,524 INFO L225 Difference]: With dead ends: 322 [2021-11-21 01:18:16,525 INFO L226 Difference]: Without dead ends: 163 [2021-11-21 01:18:16,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,535 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 89 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:16,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 51 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-21 01:18:16,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2021-11-21 01:18:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.559748427672956) internal successors, (248), 159 states have internal predecessors, (248), 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 01:18:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2021-11-21 01:18:16,560 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 53 [2021-11-21 01:18:16,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:16,561 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2021-11-21 01:18:16,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 01:18:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2021-11-21 01:18:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 01:18:16,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:16,565 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:18:16,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:18:16,566 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:16,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:16,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2020368932, now seen corresponding path program 1 times [2021-11-21 01:18:16,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:16,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546158512] [2021-11-21 01:18:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:16,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:18:16,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:16,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546158512] [2021-11-21 01:18:16,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546158512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:16,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:16,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:16,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738349636] [2021-11-21 01:18:16,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:16,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:16,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:16,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:16,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,640 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 01:18:16,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:16,777 INFO L93 Difference]: Finished difference Result 358 states and 562 transitions. [2021-11-21 01:18:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:16,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2021-11-21 01:18:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:16,779 INFO L225 Difference]: With dead ends: 358 [2021-11-21 01:18:16,779 INFO L226 Difference]: Without dead ends: 198 [2021-11-21 01:18:16,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,781 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 62 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:16,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 55 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:16,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-21 01:18:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-21 01:18:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.5888324873096447) internal successors, (313), 197 states have internal predecessors, (313), 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 01:18:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 313 transitions. [2021-11-21 01:18:16,792 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 313 transitions. Word has length 56 [2021-11-21 01:18:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:16,792 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 313 transitions. [2021-11-21 01:18:16,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 01:18:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 313 transitions. [2021-11-21 01:18:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:18:16,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:16,803 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:16,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:18:16,803 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:16,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:16,804 INFO L85 PathProgramCache]: Analyzing trace with hash 118641364, now seen corresponding path program 1 times [2021-11-21 01:18:16,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:16,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911175271] [2021-11-21 01:18:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:16,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-21 01:18:16,852 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:16,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911175271] [2021-11-21 01:18:16,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911175271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:16,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:16,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:16,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770406385] [2021-11-21 01:18:16,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:16,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:16,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:16,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:16,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,855 INFO L87 Difference]: Start difference. First operand 198 states and 313 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 01:18:16,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:16,958 INFO L93 Difference]: Finished difference Result 412 states and 653 transitions. [2021-11-21 01:18:16,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:16,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 65 [2021-11-21 01:18:16,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:16,964 INFO L225 Difference]: With dead ends: 412 [2021-11-21 01:18:16,964 INFO L226 Difference]: Without dead ends: 215 [2021-11-21 01:18:16,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:16,966 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 92 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:16,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 49 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-21 01:18:16,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-11-21 01:18:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.5754716981132075) internal successors, (334), 212 states have internal predecessors, (334), 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 01:18:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 334 transitions. [2021-11-21 01:18:16,987 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 334 transitions. Word has length 65 [2021-11-21 01:18:16,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:16,988 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 334 transitions. [2021-11-21 01:18:16,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 01:18:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 334 transitions. [2021-11-21 01:18:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:18:16,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:16,990 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:16,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:18:16,991 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:16,991 INFO L85 PathProgramCache]: Analyzing trace with hash -346686099, now seen corresponding path program 1 times [2021-11-21 01:18:16,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:16,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795512804] [2021-11-21 01:18:16,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:16,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-21 01:18:17,065 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:17,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795512804] [2021-11-21 01:18:17,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795512804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:17,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:17,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:17,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95091583] [2021-11-21 01:18:17,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:17,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:17,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:17,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:17,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:17,068 INFO L87 Difference]: Start difference. First operand 213 states and 334 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 01:18:17,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:17,170 INFO L93 Difference]: Finished difference Result 427 states and 669 transitions. [2021-11-21 01:18:17,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:17,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 01:18:17,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:17,173 INFO L225 Difference]: With dead ends: 427 [2021-11-21 01:18:17,173 INFO L226 Difference]: Without dead ends: 215 [2021-11-21 01:18:17,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:17,176 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 91 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:17,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 49 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:17,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-21 01:18:17,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-11-21 01:18:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.5518867924528301) internal successors, (329), 212 states have internal predecessors, (329), 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 01:18:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 329 transitions. [2021-11-21 01:18:17,187 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 329 transitions. Word has length 66 [2021-11-21 01:18:17,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:17,187 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 329 transitions. [2021-11-21 01:18:17,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 01:18:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 329 transitions. [2021-11-21 01:18:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 01:18:17,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:17,189 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:17,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:18:17,193 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:17,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:17,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1344513448, now seen corresponding path program 1 times [2021-11-21 01:18:17,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:17,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023774268] [2021-11-21 01:18:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:17,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-21 01:18:17,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:17,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023774268] [2021-11-21 01:18:17,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023774268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:17,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:17,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:17,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044067540] [2021-11-21 01:18:17,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:17,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:17,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:17,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:17,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:17,231 INFO L87 Difference]: Start difference. First operand 213 states and 329 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 01:18:17,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:17,330 INFO L93 Difference]: Finished difference Result 440 states and 681 transitions. [2021-11-21 01:18:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:17,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 76 [2021-11-21 01:18:17,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:17,332 INFO L225 Difference]: With dead ends: 440 [2021-11-21 01:18:17,332 INFO L226 Difference]: Without dead ends: 228 [2021-11-21 01:18:17,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:17,334 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 94 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:17,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 57 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:17,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-21 01:18:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2021-11-21 01:18:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.5333333333333334) internal successors, (345), 225 states have internal predecessors, (345), 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 01:18:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 345 transitions. [2021-11-21 01:18:17,345 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 345 transitions. Word has length 76 [2021-11-21 01:18:17,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:17,346 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 345 transitions. [2021-11-21 01:18:17,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 01:18:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 345 transitions. [2021-11-21 01:18:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:18:17,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:17,347 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:17,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 01:18:17,348 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:17,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:17,348 INFO L85 PathProgramCache]: Analyzing trace with hash -876024449, now seen corresponding path program 1 times [2021-11-21 01:18:17,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:17,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619444108] [2021-11-21 01:18:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:17,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-21 01:18:17,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:17,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619444108] [2021-11-21 01:18:17,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619444108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:18:17,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:18:17,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:18:17,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865088005] [2021-11-21 01:18:17,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:18:17,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:18:17,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:18:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:18:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:17,379 INFO L87 Difference]: Start difference. First operand 226 states and 345 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 01:18:17,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:18:17,477 INFO L93 Difference]: Finished difference Result 453 states and 691 transitions. [2021-11-21 01:18:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:18:17,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 77 [2021-11-21 01:18:17,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:18:17,480 INFO L225 Difference]: With dead ends: 453 [2021-11-21 01:18:17,480 INFO L226 Difference]: Without dead ends: 228 [2021-11-21 01:18:17,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:18:17,482 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 93 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:18:17,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 49 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:18:17,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-21 01:18:17,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2021-11-21 01:18:17,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.5066666666666666) internal successors, (339), 225 states have internal predecessors, (339), 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 01:18:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 339 transitions. [2021-11-21 01:18:17,495 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 339 transitions. Word has length 77 [2021-11-21 01:18:17,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:18:17,495 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 339 transitions. [2021-11-21 01:18:17,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 01:18:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 339 transitions. [2021-11-21 01:18:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 01:18:17,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:18:17,500 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:18:17,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 01:18:17,501 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:18:17,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:18:17,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1009770334, now seen corresponding path program 1 times [2021-11-21 01:18:17,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:18:17,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125406667] [2021-11-21 01:18:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:17,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:18:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 01:18:17,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:18:17,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125406667] [2021-11-21 01:18:17,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125406667] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:18:17,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126318016] [2021-11-21 01:18:17,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:18:17,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:18:17,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:18:17,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:18:17,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:18:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:18:17,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:18:17,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:18:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-21 01:18:18,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:18:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-21 01:18:18,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126318016] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:18:18,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1078643209] [2021-11-21 01:18:18,528 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2021-11-21 01:18:18,528 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:18:18,536 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:18:18,541 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:18:18,542 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:21:18,121 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:21:29,649 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:21:29,649 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:21:29,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 7 [2021-11-21 01:21:29,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124936089] [2021-11-21 01:21:29,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:21:29,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:21:29,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:29,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:21:29,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1266, Unknown=0, NotChecked=0, Total=1482 [2021-11-21 01:21:29,651 INFO L87 Difference]: Start difference. First operand 226 states and 339 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 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 01:21:29,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:29,853 INFO L93 Difference]: Finished difference Result 1266 states and 1912 transitions. [2021-11-21 01:21:29,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:21:29,854 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 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 85 [2021-11-21 01:21:29,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:29,862 INFO L225 Difference]: With dead ends: 1266 [2021-11-21 01:21:29,862 INFO L226 Difference]: Without dead ends: 1264 [2021-11-21 01:21:29,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=216, Invalid=1266, Unknown=0, NotChecked=0, Total=1482 [2021-11-21 01:21:29,864 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 827 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:29,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [827 Valid, 1106 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:29,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2021-11-21 01:21:29,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1260. [2021-11-21 01:21:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 1259 states have (on average 1.5107227958697378) internal successors, (1902), 1259 states have internal predecessors, (1902), 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 01:21:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1902 transitions. [2021-11-21 01:21:29,913 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1902 transitions. Word has length 85 [2021-11-21 01:21:29,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:29,914 INFO L470 AbstractCegarLoop]: Abstraction has 1260 states and 1902 transitions. [2021-11-21 01:21:29,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 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 01:21:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1902 transitions. [2021-11-21 01:21:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 01:21:29,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:29,919 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 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] [2021-11-21 01:21:29,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:21:30,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:21:30,139 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:30,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:30,140 INFO L85 PathProgramCache]: Analyzing trace with hash -541472718, now seen corresponding path program 1 times [2021-11-21 01:21:30,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:30,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429358836] [2021-11-21 01:21:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:30,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-21 01:21:30,212 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:30,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429358836] [2021-11-21 01:21:30,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429358836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:30,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:30,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:30,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299662522] [2021-11-21 01:21:30,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:30,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:30,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:30,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:30,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:30,214 INFO L87 Difference]: Start difference. First operand 1260 states and 1902 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 01:21:30,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:30,381 INFO L93 Difference]: Finished difference Result 2638 states and 4012 transitions. [2021-11-21 01:21:30,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:30,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 152 [2021-11-21 01:21:30,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:30,390 INFO L225 Difference]: With dead ends: 2638 [2021-11-21 01:21:30,390 INFO L226 Difference]: Without dead ends: 1229 [2021-11-21 01:21:30,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:30,393 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 62 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:30,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 123 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:30,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2021-11-21 01:21:30,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1072. [2021-11-21 01:21:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.4061624649859943) internal successors, (1506), 1071 states have internal predecessors, (1506), 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 01:21:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1506 transitions. [2021-11-21 01:21:30,435 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1506 transitions. Word has length 152 [2021-11-21 01:21:30,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:30,437 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 1506 transitions. [2021-11-21 01:21:30,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 01:21:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1506 transitions. [2021-11-21 01:21:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 01:21:30,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:30,443 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 9, 9, 7, 7, 5, 5, 3, 3, 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] [2021-11-21 01:21:30,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 01:21:30,443 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:30,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:30,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1943048454, now seen corresponding path program 1 times [2021-11-21 01:21:30,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:30,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175093421] [2021-11-21 01:21:30,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:30,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-21 01:21:30,495 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:30,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175093421] [2021-11-21 01:21:30,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175093421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:30,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:30,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:30,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763829569] [2021-11-21 01:21:30,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:30,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:30,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:30,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:30,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:30,499 INFO L87 Difference]: Start difference. First operand 1072 states and 1506 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:21:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:30,649 INFO L93 Difference]: Finished difference Result 2152 states and 3055 transitions. [2021-11-21 01:21:30,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:30,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2021-11-21 01:21:30,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:30,657 INFO L225 Difference]: With dead ends: 2152 [2021-11-21 01:21:30,657 INFO L226 Difference]: Without dead ends: 1283 [2021-11-21 01:21:30,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:30,659 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 73 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:30,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 87 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:30,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-11-21 01:21:30,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1132. [2021-11-21 01:21:30,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1131 states have (on average 1.4040671971706455) internal successors, (1588), 1131 states have internal predecessors, (1588), 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 01:21:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1588 transitions. [2021-11-21 01:21:30,702 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1588 transitions. Word has length 154 [2021-11-21 01:21:30,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:30,703 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 1588 transitions. [2021-11-21 01:21:30,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:21:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1588 transitions. [2021-11-21 01:21:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-21 01:21:30,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:30,707 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2021-11-21 01:21:30,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 01:21:30,707 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash -627349406, now seen corresponding path program 1 times [2021-11-21 01:21:30,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:30,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560415036] [2021-11-21 01:21:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:30,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-21 01:21:30,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:30,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560415036] [2021-11-21 01:21:30,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560415036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:30,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:30,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:30,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088708035] [2021-11-21 01:21:30,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:30,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:30,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:30,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:30,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:30,758 INFO L87 Difference]: Start difference. First operand 1132 states and 1588 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 01:21:30,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:30,911 INFO L93 Difference]: Finished difference Result 2451 states and 3450 transitions. [2021-11-21 01:21:30,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:30,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 172 [2021-11-21 01:21:30,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:30,919 INFO L225 Difference]: With dead ends: 2451 [2021-11-21 01:21:30,919 INFO L226 Difference]: Without dead ends: 1260 [2021-11-21 01:21:30,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:30,925 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 66 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:30,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 117 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:30,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2021-11-21 01:21:30,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1224. [2021-11-21 01:21:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1223 states have (on average 1.383483237939493) internal successors, (1692), 1223 states have internal predecessors, (1692), 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 01:21:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1692 transitions. [2021-11-21 01:21:30,970 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1692 transitions. Word has length 172 [2021-11-21 01:21:30,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:30,971 INFO L470 AbstractCegarLoop]: Abstraction has 1224 states and 1692 transitions. [2021-11-21 01:21:30,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 01:21:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1692 transitions. [2021-11-21 01:21:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-21 01:21:30,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:30,976 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 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] [2021-11-21 01:21:30,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 01:21:30,976 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:30,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:30,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2051634120, now seen corresponding path program 1 times [2021-11-21 01:21:30,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:30,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158487194] [2021-11-21 01:21:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:30,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-21 01:21:31,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:31,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158487194] [2021-11-21 01:21:31,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158487194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:31,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:31,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:31,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417348845] [2021-11-21 01:21:31,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:31,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:31,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:31,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:31,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:31,047 INFO L87 Difference]: Start difference. First operand 1224 states and 1692 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 01:21:31,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:31,213 INFO L93 Difference]: Finished difference Result 2673 states and 3717 transitions. [2021-11-21 01:21:31,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:31,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 193 [2021-11-21 01:21:31,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:31,222 INFO L225 Difference]: With dead ends: 2673 [2021-11-21 01:21:31,222 INFO L226 Difference]: Without dead ends: 1405 [2021-11-21 01:21:31,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:31,224 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 68 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:31,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 115 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:31,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2021-11-21 01:21:31,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1369. [2021-11-21 01:21:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1368 states have (on average 1.3757309941520468) internal successors, (1882), 1368 states have internal predecessors, (1882), 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 01:21:31,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1882 transitions. [2021-11-21 01:21:31,273 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1882 transitions. Word has length 193 [2021-11-21 01:21:31,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:31,274 INFO L470 AbstractCegarLoop]: Abstraction has 1369 states and 1882 transitions. [2021-11-21 01:21:31,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 01:21:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1882 transitions. [2021-11-21 01:21:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-21 01:21:31,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:31,280 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2021-11-21 01:21:31,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 01:21:31,280 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:31,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:31,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1900662238, now seen corresponding path program 1 times [2021-11-21 01:21:31,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:31,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877844079] [2021-11-21 01:21:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:31,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 537 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2021-11-21 01:21:31,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:31,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877844079] [2021-11-21 01:21:31,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877844079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:31,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:31,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:31,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101162238] [2021-11-21 01:21:31,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:31,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:31,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:31,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:31,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:31,411 INFO L87 Difference]: Start difference. First operand 1369 states and 1882 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 01:21:31,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:31,538 INFO L93 Difference]: Finished difference Result 3284 states and 4514 transitions. [2021-11-21 01:21:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:31,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 220 [2021-11-21 01:21:31,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:31,549 INFO L225 Difference]: With dead ends: 3284 [2021-11-21 01:21:31,549 INFO L226 Difference]: Without dead ends: 1916 [2021-11-21 01:21:31,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:31,552 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 62 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:31,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 298 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:21:31,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2021-11-21 01:21:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1915. [2021-11-21 01:21:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1915 states, 1914 states have (on average 1.3725182863113898) internal successors, (2627), 1914 states have internal predecessors, (2627), 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 01:21:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2627 transitions. [2021-11-21 01:21:31,644 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2627 transitions. Word has length 220 [2021-11-21 01:21:31,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:31,645 INFO L470 AbstractCegarLoop]: Abstraction has 1915 states and 2627 transitions. [2021-11-21 01:21:31,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 01:21:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2627 transitions. [2021-11-21 01:21:31,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-21 01:21:31,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:31,651 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2021-11-21 01:21:31,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 01:21:31,652 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash -939971812, now seen corresponding path program 1 times [2021-11-21 01:21:31,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:31,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567926267] [2021-11-21 01:21:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:31,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-21 01:21:31,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:31,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567926267] [2021-11-21 01:21:31,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567926267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:31,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:31,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:31,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656129109] [2021-11-21 01:21:31,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:31,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:31,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:31,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:31,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:31,717 INFO L87 Difference]: Start difference. First operand 1915 states and 2627 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:21:31,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:31,910 INFO L93 Difference]: Finished difference Result 4144 states and 5719 transitions. [2021-11-21 01:21:31,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:31,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2021-11-21 01:21:31,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:31,923 INFO L225 Difference]: With dead ends: 4144 [2021-11-21 01:21:31,923 INFO L226 Difference]: Without dead ends: 2195 [2021-11-21 01:21:31,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:31,927 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 70 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:31,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 113 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:31,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2021-11-21 01:21:32,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 2146. [2021-11-21 01:21:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.3650349650349651) internal successors, (2928), 2145 states have internal predecessors, (2928), 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 01:21:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2928 transitions. [2021-11-21 01:21:32,016 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2928 transitions. Word has length 221 [2021-11-21 01:21:32,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:32,017 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 2928 transitions. [2021-11-21 01:21:32,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:21:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2928 transitions. [2021-11-21 01:21:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-21 01:21:32,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:32,024 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:21:32,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 01:21:32,025 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:32,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:32,025 INFO L85 PathProgramCache]: Analyzing trace with hash -423409451, now seen corresponding path program 1 times [2021-11-21 01:21:32,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:32,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698779637] [2021-11-21 01:21:32,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:32,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 561 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2021-11-21 01:21:32,092 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:32,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698779637] [2021-11-21 01:21:32,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698779637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:21:32,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:21:32,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:21:32,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635299509] [2021-11-21 01:21:32,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:32,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:32,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:32,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:32,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:32,095 INFO L87 Difference]: Start difference. First operand 2146 states and 2928 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 01:21:32,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:32,280 INFO L93 Difference]: Finished difference Result 4477 states and 6138 transitions. [2021-11-21 01:21:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:32,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 254 [2021-11-21 01:21:32,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:32,293 INFO L225 Difference]: With dead ends: 4477 [2021-11-21 01:21:32,293 INFO L226 Difference]: Without dead ends: 2311 [2021-11-21 01:21:32,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:21:32,297 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:32,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 110 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2021-11-21 01:21:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 2262. [2021-11-21 01:21:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2261 states have (on average 1.3688633348076074) internal successors, (3095), 2261 states have internal predecessors, (3095), 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 01:21:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3095 transitions. [2021-11-21 01:21:32,387 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3095 transitions. Word has length 254 [2021-11-21 01:21:32,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:32,388 INFO L470 AbstractCegarLoop]: Abstraction has 2262 states and 3095 transitions. [2021-11-21 01:21:32,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 01:21:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3095 transitions. [2021-11-21 01:21:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-21 01:21:32,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:32,401 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 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, 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] [2021-11-21 01:21:32,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 01:21:32,411 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:32,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:32,411 INFO L85 PathProgramCache]: Analyzing trace with hash 663980274, now seen corresponding path program 1 times [2021-11-21 01:21:32,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:32,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670950289] [2021-11-21 01:21:32,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:32,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 848 proven. 42 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-21 01:21:32,503 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:32,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670950289] [2021-11-21 01:21:32,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670950289] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:21:32,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800729480] [2021-11-21 01:21:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:32,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:21:32,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:21:32,507 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:21:32,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:21:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:32,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 01:21:32,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:21:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 770 proven. 120 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-21 01:21:33,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:21:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-21 01:21:33,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800729480] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 01:21:33,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:21:33,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2021-11-21 01:21:33,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438160233] [2021-11-21 01:21:33,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:33,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:33,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:33,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:33,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:21:33,616 INFO L87 Difference]: Start difference. First operand 2262 states and 3095 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 01:21:33,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:33,770 INFO L93 Difference]: Finished difference Result 3907 states and 5339 transitions. [2021-11-21 01:21:33,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:33,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 289 [2021-11-21 01:21:33,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:33,782 INFO L225 Difference]: With dead ends: 3907 [2021-11-21 01:21:33,782 INFO L226 Difference]: Without dead ends: 2290 [2021-11-21 01:21:33,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:21:33,786 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 95 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:33,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 62 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:33,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-21 01:21:33,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2262. [2021-11-21 01:21:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2261 states have (on average 1.3538257408226448) internal successors, (3061), 2261 states have internal predecessors, (3061), 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 01:21:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3061 transitions. [2021-11-21 01:21:33,880 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3061 transitions. Word has length 289 [2021-11-21 01:21:33,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:33,881 INFO L470 AbstractCegarLoop]: Abstraction has 2262 states and 3061 transitions. [2021-11-21 01:21:33,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 01:21:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3061 transitions. [2021-11-21 01:21:33,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-21 01:21:33,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:33,889 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 14, 12, 12, 10, 10, 8, 8, 6, 6, 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, 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] [2021-11-21 01:21:33,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:21:34,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:21:34,115 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:34,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:34,115 INFO L85 PathProgramCache]: Analyzing trace with hash -442939763, now seen corresponding path program 1 times [2021-11-21 01:21:34,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:34,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167325180] [2021-11-21 01:21:34,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:34,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 862 proven. 56 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-21 01:21:34,204 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:34,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167325180] [2021-11-21 01:21:34,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167325180] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:21:34,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127019470] [2021-11-21 01:21:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:34,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:21:34,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:21:34,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:21:34,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:21:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:34,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 01:21:34,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:21:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 784 proven. 134 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-21 01:21:34,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:21:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 686 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-21 01:21:35,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127019470] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 01:21:35,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:21:35,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2021-11-21 01:21:35,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107659107] [2021-11-21 01:21:35,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:21:35,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:21:35,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:21:35,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:21:35,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:21:35,362 INFO L87 Difference]: Start difference. First operand 2262 states and 3061 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 01:21:35,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:21:35,501 INFO L93 Difference]: Finished difference Result 3592 states and 4848 transitions. [2021-11-21 01:21:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:21:35,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 291 [2021-11-21 01:21:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:21:35,512 INFO L225 Difference]: With dead ends: 3592 [2021-11-21 01:21:35,512 INFO L226 Difference]: Without dead ends: 1975 [2021-11-21 01:21:35,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:21:35,515 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 92 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:21:35,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 56 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:21:35,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2021-11-21 01:21:35,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1867. [2021-11-21 01:21:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1866 states have (on average 1.340300107181136) internal successors, (2501), 1866 states have internal predecessors, (2501), 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 01:21:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2501 transitions. [2021-11-21 01:21:35,591 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2501 transitions. Word has length 291 [2021-11-21 01:21:35,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:21:35,591 INFO L470 AbstractCegarLoop]: Abstraction has 1867 states and 2501 transitions. [2021-11-21 01:21:35,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 01:21:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2501 transitions. [2021-11-21 01:21:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-21 01:21:35,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:21:35,598 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2021-11-21 01:21:35,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:21:35,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-21 01:21:35,823 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:21:35,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:21:35,823 INFO L85 PathProgramCache]: Analyzing trace with hash 537416872, now seen corresponding path program 1 times [2021-11-21 01:21:35,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:21:35,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522905131] [2021-11-21 01:21:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:35,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:21:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 748 proven. 226 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-21 01:21:35,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:21:35,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522905131] [2021-11-21 01:21:35,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522905131] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:21:35,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97274536] [2021-11-21 01:21:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:21:35,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:21:35,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:21:35,929 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:21:35,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:21:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:21:36,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:21:36,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:21:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 731 proven. 11 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-21 01:21:36,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:21:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 731 proven. 11 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-21 01:21:37,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97274536] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:21:37,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1746927478] [2021-11-21 01:21:37,279 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-21 01:21:37,279 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:21:37,280 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:21:37,280 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:21:37,280 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:28:22,118 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:28:50,507 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:28:50,507 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:28:50,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 10 [2021-11-21 01:28:50,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801347522] [2021-11-21 01:28:50,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:28:50,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-21 01:28:50,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:28:50,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-21 01:28:50,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1003, Invalid=4547, Unknown=0, NotChecked=0, Total=5550 [2021-11-21 01:28:50,513 INFO L87 Difference]: Start difference. First operand 1867 states and 2501 transitions. Second operand has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 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 01:28:51,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:28:51,466 INFO L93 Difference]: Finished difference Result 3407 states and 4590 transitions. [2021-11-21 01:28:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-21 01:28:51,470 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 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 304 [2021-11-21 01:28:51,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:28:51,471 INFO L225 Difference]: With dead ends: 3407 [2021-11-21 01:28:51,471 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:28:51,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1724 ImplicationChecksByTransitivity, 28.6s TimeCoverageRelationStatistics Valid=1079, Invalid=5727, Unknown=0, NotChecked=0, Total=6806 [2021-11-21 01:28:51,478 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 379 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:28:51,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 419 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 01:28:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:28:51,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:28:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 01:28:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:28:51,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304 [2021-11-21 01:28:51,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:28:51,480 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:28:51,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 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 01:28:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:28:51,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:28:51,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:28:51,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:28:51,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-21 01:28:51,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:28:59,980 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 239) no Hoare annotation was computed. [2021-11-21 01:28:59,981 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 504) no Hoare annotation was computed. [2021-11-21 01:28:59,981 INFO L854 garLoopResultBuilder]: At program point L202(lines 202 545) the Hoare annotation is: (let ((.cse7 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse6 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse7)) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse5 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse1 .cse2 .cse3 .cse4 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse7 (let ((.cse8 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse8 (* 4294967296 (div .cse8 4294967296)))) .cse5)))) [2021-11-21 01:28:59,981 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 556) no Hoare annotation was computed. [2021-11-21 01:28:59,981 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 567) no Hoare annotation was computed. [2021-11-21 01:28:59,981 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-21 01:28:59,982 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 210 540) no Hoare annotation was computed. [2021-11-21 01:28:59,982 INFO L854 garLoopResultBuilder]: At program point L203(lines 202 545) the Hoare annotation is: (let ((.cse13 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse0 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse4 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse13)) (.cse9 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse13 (let ((.cse14 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse14 (* 4294967296 (div .cse14 4294967296)))) .cse7 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))))) [2021-11-21 01:28:59,982 INFO L854 garLoopResultBuilder]: At program point L170(lines 160 559) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-21 01:28:59,982 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 210 540) no Hoare annotation was computed. [2021-11-21 01:28:59,982 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 555) no Hoare annotation was computed. [2021-11-21 01:28:59,983 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 566) no Hoare annotation was computed. [2021-11-21 01:28:59,983 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 72 620) no Hoare annotation was computed. [2021-11-21 01:28:59,983 INFO L854 garLoopResultBuilder]: At program point L140(lines 136 567) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-21 01:28:59,983 INFO L858 garLoopResultBuilder]: For program point L438-2(lines 210 540) no Hoare annotation was computed. [2021-11-21 01:28:59,983 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 245) no Hoare annotation was computed. [2021-11-21 01:28:59,983 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 377) no Hoare annotation was computed. [2021-11-21 01:28:59,983 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 554) no Hoare annotation was computed. [2021-11-21 01:28:59,983 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 565) no Hoare annotation was computed. [2021-11-21 01:28:59,984 INFO L854 garLoopResultBuilder]: At program point L109(lines 109 576) the Hoare annotation is: (let ((.cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse2 (or .cse19 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse5 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse17 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse16 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse21)) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse9 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse23 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse14 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse15 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse20 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (.cse18 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse22 (let ((.cse24 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse24 (* 4294967296 (div .cse24 4294967296)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse3 .cse14 .cse15 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse16 .cse13 .cse3 .cse14 .cse4) (and .cse0 .cse1 .cse17 .cse18 .cse3) (and .cse0 .cse9 .cse10 .cse11 .cse17 .cse2 .cse12 .cse13 .cse14 .cse15) (and (or (and .cse5 .cse7 .cse8 .cse10 .cse11 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse12 .cse13 .cse3 .cse15) (and .cse5 .cse7 .cse8 .cse10 .cse11 .cse17 .cse12 .cse13 .cse3 .cse15)) .cse9 .cse14) (and .cse0 .cse1 .cse18 .cse3 .cse4) (and .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse20 .cse21 .cse22 .cse12 .cse23 .cse13 .cse14) (and .cse19 .cse20 .cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse22) (and .cse5 .cse7 .cse8 .cse9 .cse10 .cse11 .cse17 .cse12 .cse16 .cse13 .cse3 .cse14) (and .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse20 .cse22 .cse12 .cse23 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse19 .cse20 .cse18 .cse22)))) [2021-11-21 01:28:59,984 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 555) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse2 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse3 .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-21 01:28:59,984 INFO L854 garLoopResultBuilder]: At program point L541(lines 106 607) the Hoare annotation is: (let ((.cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse0 (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse17 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse21)) (.cse12 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse7 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse23 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse14 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse15 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse16 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse20 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (.cse18 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse22 (let ((.cse24 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse24 (* 4294967296 (div .cse24 4294967296)))))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse1 .cse11 .cse12 .cse13 .cse2) (and .cse15 .cse16 .cse17 .cse18 .cse12) (and .cse15 .cse7 .cse8 .cse9 .cse17 (or .cse19 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) .cse10 .cse11 .cse13 .cse14) (and (or (and .cse3 .cse5 .cse6 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse10 .cse11 .cse12 .cse14) (and .cse3 .cse5 .cse6 .cse8 .cse9 .cse17 .cse10 .cse11 .cse12 .cse14)) .cse7 .cse13) (and .cse15 .cse16 .cse18 .cse12 .cse2) (and .cse19 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse20 .cse21 .cse22 .cse10 .cse23 .cse11 .cse13) (and .cse19 .cse20 .cse21 .cse0 .cse22) (and .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse17 .cse10 .cse1 .cse11 .cse12 .cse13) (and .cse19 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse20 .cse22 .cse10 .cse23 .cse11 .cse13 .cse14) (and .cse15 .cse16 .cse19 .cse20 .cse18 .cse22)))) [2021-11-21 01:28:59,984 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 553) no Hoare annotation was computed. [2021-11-21 01:28:59,985 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 564) no Hoare annotation was computed. [2021-11-21 01:28:59,985 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 575) no Hoare annotation was computed. [2021-11-21 01:28:59,985 INFO L861 garLoopResultBuilder]: At program point L608(lines 105 609) the Hoare annotation is: true [2021-11-21 01:28:59,985 INFO L854 garLoopResultBuilder]: At program point L146(lines 142 565) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse5 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse7 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse7 (* 4294967296 (div .cse7 4294967296)))) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2021-11-21 01:28:59,985 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 605) no Hoare annotation was computed. [2021-11-21 01:28:59,985 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 552) no Hoare annotation was computed. [2021-11-21 01:28:59,986 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 563) no Hoare annotation was computed. [2021-11-21 01:28:59,986 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 574) no Hoare annotation was computed. [2021-11-21 01:28:59,986 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 602) no Hoare annotation was computed. [2021-11-21 01:28:59,986 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 352) no Hoare annotation was computed. [2021-11-21 01:28:59,986 INFO L858 garLoopResultBuilder]: For program point L314-1(lines 314 328) no Hoare annotation was computed. [2021-11-21 01:28:59,986 INFO L854 garLoopResultBuilder]: At program point L215(lines 112 575) the Hoare annotation is: (let ((.cse10 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse0 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-21 01:28:59,987 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 553) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse2 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse3 .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-21 01:28:59,987 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 588) no Hoare annotation was computed. [2021-11-21 01:28:59,987 INFO L858 garLoopResultBuilder]: For program point L579-2(lines 578 600) no Hoare annotation was computed. [2021-11-21 01:28:59,987 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 551) no Hoare annotation was computed. [2021-11-21 01:28:59,987 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 562) no Hoare annotation was computed. [2021-11-21 01:28:59,987 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 573) no Hoare annotation was computed. [2021-11-21 01:28:59,988 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 585) no Hoare annotation was computed. [2021-11-21 01:28:59,988 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 454) no Hoare annotation was computed. [2021-11-21 01:28:59,988 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 01:28:59,988 INFO L854 garLoopResultBuilder]: At program point L152(lines 148 563) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4448))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2) (and .cse0 .cse1 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296))))))) [2021-11-21 01:28:59,988 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-21 01:28:59,988 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 316 328) no Hoare annotation was computed. [2021-11-21 01:28:59,988 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2021-11-21 01:28:59,989 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 550) no Hoare annotation was computed. [2021-11-21 01:28:59,989 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 561) no Hoare annotation was computed. [2021-11-21 01:28:59,989 INFO L858 garLoopResultBuilder]: For program point L220-2(lines 210 540) no Hoare annotation was computed. [2021-11-21 01:28:59,989 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 572) no Hoare annotation was computed. [2021-11-21 01:28:59,989 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 551) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse4 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse4 (* 4294967296 (div .cse4 4294967296)))) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-21 01:28:59,989 INFO L861 garLoopResultBuilder]: At program point L619(lines 19 621) the Hoare annotation is: true [2021-11-21 01:28:59,990 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:28:59,990 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 261) no Hoare annotation was computed. [2021-11-21 01:28:59,990 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 549) no Hoare annotation was computed. [2021-11-21 01:28:59,990 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 560) no Hoare annotation was computed. [2021-11-21 01:28:59,990 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 571) no Hoare annotation was computed. [2021-11-21 01:28:59,990 INFO L854 garLoopResultBuilder]: At program point L158(lines 154 561) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-21 01:28:59,990 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2021-11-21 01:28:59,991 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-11-21 01:28:59,991 INFO L854 garLoopResultBuilder]: At program point L358(lines 72 620) the Hoare annotation is: false [2021-11-21 01:28:59,991 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 548) no Hoare annotation was computed. [2021-11-21 01:28:59,991 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 559) no Hoare annotation was computed. [2021-11-21 01:28:59,991 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 570) no Hoare annotation was computed. [2021-11-21 01:28:59,991 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 549) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse2))) [2021-11-21 01:28:59,992 INFO L854 garLoopResultBuilder]: At program point L128(lines 124 571) the Hoare annotation is: (and (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (let ((.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse7 .cse8 .cse9) (and .cse4 (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse7 .cse8 .cse9))))) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 210 540) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 547) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 558) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 569) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 618) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 496 508) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-11-21 01:28:59,992 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 249) no Hoare annotation was computed. [2021-11-21 01:28:59,993 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 546) no Hoare annotation was computed. [2021-11-21 01:28:59,993 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 557) no Hoare annotation was computed. [2021-11-21 01:28:59,993 INFO L858 garLoopResultBuilder]: For program point L232-2(lines 210 540) no Hoare annotation was computed. [2021-11-21 01:28:59,993 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 568) no Hoare annotation was computed. [2021-11-21 01:28:59,993 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 547) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (or .cse4 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3) (and .cse4 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (let ((.cse5 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse5 (* 4294967296 (div .cse5 4294967296)))))))) [2021-11-21 01:28:59,993 INFO L854 garLoopResultBuilder]: At program point L134(lines 130 569) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse5 .cse6 .cse7 .cse8))) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-21 01:28:59,997 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, 1] [2021-11-21 01:28:59,998 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:29:00,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:29:00 BoogieIcfgContainer [2021-11-21 01:29:00,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:29:00,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:29:00,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:29:00,054 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:29:00,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:18:14" (3/4) ... [2021-11-21 01:29:00,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 01:29:00,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-11-21 01:29:00,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-21 01:29:00,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-21 01:29:00,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:29:00,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:29:00,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:29:00,224 INFO L158 Benchmark]: Toolchain (without parser) took 646965.56ms. Allocated memory was 98.6MB in the beginning and 362.8MB in the end (delta: 264.2MB). Free memory was 65.3MB in the beginning and 220.2MB in the end (delta: -154.9MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2021-11-21 01:29:00,226 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:29:00,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.32ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 69.7MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:29:00,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.98ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 67.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:29:00,231 INFO L158 Benchmark]: Boogie Preprocessor took 69.03ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 65.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:29:00,232 INFO L158 Benchmark]: RCFGBuilder took 908.05ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 65.1MB in the beginning and 74.6MB in the end (delta: -9.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-21 01:29:00,232 INFO L158 Benchmark]: TraceAbstraction took 645367.02ms. Allocated memory was 119.5MB in the beginning and 362.8MB in the end (delta: 243.3MB). Free memory was 74.1MB in the beginning and 231.7MB in the end (delta: -157.7MB). Peak memory consumption was 206.7MB. Max. memory is 16.1GB. [2021-11-21 01:29:00,234 INFO L158 Benchmark]: Witness Printer took 169.78ms. Allocated memory is still 362.8MB. Free memory was 231.7MB in the beginning and 220.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:29:00,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.32ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 69.7MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.98ms. Allocated memory is still 98.6MB. Free memory was 69.7MB in the beginning and 67.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.03ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 65.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.05ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 65.1MB in the beginning and 74.6MB in the end (delta: -9.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 645367.02ms. Allocated memory was 119.5MB in the beginning and 362.8MB in the end (delta: 243.3MB). Free memory was 74.1MB in the beginning and 231.7MB in the end (delta: -157.7MB). Peak memory consumption was 206.7MB. Max. memory is 16.1GB. * Witness Printer took 169.78ms. Allocated memory is still 362.8MB. Free memory was 231.7MB in the beginning and 220.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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 - PositiveResult [Line: 618]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 645.2s, OverallIterations: 22, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2845 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2845 mSDsluCounter, 3197 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1666 mSDsCounter, 740 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3209 IncrementalHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 740 mSolverCounterUnsat, 1693 mSDtfsCounter, 3209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2398 GetRequests, 2250 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2015 ImplicationChecksByTransitivity, 40.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2262occurred in iteration=19, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 22 MinimizatonAttempts, 647 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 184 NumberOfFragments, 2437 HoareAnnotationTreeSize, 20 FomulaSimplifications, 10074 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 20 FomulaSimplificationsInter, 78297 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 3863 NumberOfCodeBlocks, 3863 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4802 ConstructedInterpolants, 0 QuantifiedInterpolants, 10271 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1956 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 16782/17630 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4432 == s__state))) || (((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((!(4433 == s__state) && s__hit == 0) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((s__state <= 4432 && !(4096 == s__state)) && ((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)))) && !(4099 == s__state) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((!(4433 == s__state) && 4432 <= s__state) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state)) && blastFlag == 0) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((((((((!(4433 == s__state) && s__hit == 0) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) || (((((((((((((!(4433 == s__state) && s__hit == 0) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (!(4096 == s__state) && (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (s__state <= 4432 && ((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) && blastFlag == 0) || (((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)))))) && !(4099 == s__state) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((((((s__hit == 0 && !(4416 == s__state)) && !(4384 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((!(4433 == s__state) && 4432 <= s__state) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state)) && blastFlag == 0) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) && blastFlag == 0)) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state))) || (((((((((!(4433 == s__state) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || ((((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) && !(4096 == s__state)) && !(4099 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296))) || (((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && s__state <= 4512) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4512) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4512) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) || (((((((((((((((s__hit == 0 && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && !(4432 == s__state)) || (((!(4433 == s__state) && 4432 <= s__state) && !(4432 == s__state)) && blastFlag == 0)) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((((4560 == s__state && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && blastFlag == 0) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) && blastFlag == 0)) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state))) || (((((((((!(4433 == s__state) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || ((((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) && !(4096 == s__state)) && !(4099 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296))) || (((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((4432 <= s__state && s__hit == 0) && 2 == blastFlag) && s__state <= 4448) || ((((4432 <= s__state && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4448) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) || (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) && blastFlag == 0) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4480) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4480) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4480) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state)) || ((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4480) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4480) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4480) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && s__state <= 4512) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4512) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4512) && !(4432 == s__state)) && blastFlag == 0) RESULT: Ultimate proved your program to be correct! [2021-11-21 01:29:00,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd6c874-9f14-4fa2-9925-4408dc615ec7/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 Writing output log to file Ultimate.log Result: TRUE