./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan --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 e1ab2298d5235b5cdcda71de2855499593daaa9e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:49:48,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:49:48,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:49:48,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:49:48,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:49:48,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:49:48,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:49:48,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:49:48,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:49:48,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:49:48,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:49:48,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:49:48,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:49:48,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:49:48,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:49:48,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:49:48,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:49:48,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:49:48,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:49:48,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:49:48,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:49:48,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:49:48,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:49:48,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:49:48,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:49:48,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:49:48,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:49:48,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:49:48,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:49:48,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:49:48,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:49:48,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:49:48,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:49:48,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:49:48,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:49:48,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:49:48,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:49:48,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:49:48,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:49:48,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:49:48,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:49:48,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 19:49:48,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:49:48,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:49:48,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:49:48,337 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:49:48,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:49:48,337 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:49:48,337 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:49:48,337 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:49:48,338 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:49:48,338 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:49:48,338 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:49:48,338 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:49:48,338 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:49:48,338 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:49:48,338 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:49:48,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:49:48,339 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:49:48,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:49:48,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:49:48,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:49:48,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:49:48,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:49:48,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:49:48,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:49:48,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:49:48,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:49:48,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:49:48,341 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:49:48,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:49:48,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:49:48,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:49:48,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:49:48,342 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-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ab2298d5235b5cdcda71de2855499593daaa9e [2020-12-09 19:49:48,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:49:48,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:49:48,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:49:48,539 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:49:48,540 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:49:48,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/../../sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c [2020-12-09 19:49:48,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/data/a03d47135/830cb862a17847f38fc332ba55e326b1/FLAG78486062c [2020-12-09 19:49:48,959 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:49:48,960 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c [2020-12-09 19:49:48,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/data/a03d47135/830cb862a17847f38fc332ba55e326b1/FLAG78486062c [2020-12-09 19:49:48,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/data/a03d47135/830cb862a17847f38fc332ba55e326b1 [2020-12-09 19:49:48,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:49:48,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:49:48,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:49:48,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:49:48,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:49:48,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:49:48" (1/1) ... [2020-12-09 19:49:48,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55436f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:48, skipping insertion in model container [2020-12-09 19:49:48,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:49:48" (1/1) ... [2020-12-09 19:49:48,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:49:49,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:49:49,194 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c[42279,42292] [2020-12-09 19:49:49,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:49:49,210 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:49:49,255 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/sv-benchmarks/c/openssl-simplified/s3_srvr_3.cil.c[42279,42292] [2020-12-09 19:49:49,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:49:49,270 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:49:49,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49 WrapperNode [2020-12-09 19:49:49,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:49:49,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:49:49,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:49:49,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:49:49,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:49:49,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:49:49,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:49:49,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:49:49,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... [2020-12-09 19:49:49,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:49:49,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:49:49,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:49:49,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:49:49,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:49:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 19:49:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:49:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:49:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:49:49,505 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 19:49:49,847 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-09 19:49:49,847 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-09 19:49:50,048 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:49:50,060 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 19:49:50,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:49:50 BoogieIcfgContainer [2020-12-09 19:49:50,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:49:50,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:49:50,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:49:50,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:49:50,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:49:48" (1/3) ... [2020-12-09 19:49:50,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6a8cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:49:50, skipping insertion in model container [2020-12-09 19:49:50,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:49" (2/3) ... [2020-12-09 19:49:50,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6a8cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:49:50, skipping insertion in model container [2020-12-09 19:49:50,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:49:50" (3/3) ... [2020-12-09 19:49:50,069 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3.cil.c [2020-12-09 19:49:50,079 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:49:50,081 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:49:50,089 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:49:50,106 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:49:50,106 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:49:50,106 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:49:50,106 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:49:50,107 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:49:50,107 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:49:50,107 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:49:50,107 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:49:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-12-09 19:49:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-09 19:49:50,124 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:50,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:50,124 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:50,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:50,128 INFO L82 PathProgramCache]: Analyzing trace with hash 157756091, now seen corresponding path program 1 times [2020-12-09 19:49:50,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:50,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271594927] [2020-12-09 19:49:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:49:50,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271594927] [2020-12-09 19:49:50,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:50,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:50,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782235385] [2020-12-09 19:49:50,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:50,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:50,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:50,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:50,308 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2020-12-09 19:49:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:50,475 INFO L93 Difference]: Finished difference Result 258 states and 452 transitions. [2020-12-09 19:49:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:50,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-09 19:49:50,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:50,488 INFO L225 Difference]: With dead ends: 258 [2020-12-09 19:49:50,488 INFO L226 Difference]: Without dead ends: 148 [2020-12-09 19:49:50,497 INFO L677 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 [2020-12-09 19:49:50,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-12-09 19:49:50,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 143. [2020-12-09 19:49:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-12-09 19:49:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 230 transitions. [2020-12-09 19:49:50,542 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 230 transitions. Word has length 39 [2020-12-09 19:49:50,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:50,542 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 230 transitions. [2020-12-09 19:49:50,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 230 transitions. [2020-12-09 19:49:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-09 19:49:50,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:50,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:50,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 19:49:50,545 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:50,546 INFO L82 PathProgramCache]: Analyzing trace with hash 588287037, now seen corresponding path program 1 times [2020-12-09 19:49:50,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:50,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938254840] [2020-12-09 19:49:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:49:50,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938254840] [2020-12-09 19:49:50,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:50,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:50,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12933962] [2020-12-09 19:49:50,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:50,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:50,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:50,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:50,624 INFO L87 Difference]: Start difference. First operand 143 states and 230 transitions. Second operand 3 states. [2020-12-09 19:49:50,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:50,745 INFO L93 Difference]: Finished difference Result 330 states and 540 transitions. [2020-12-09 19:49:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:50,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-09 19:49:50,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:50,747 INFO L225 Difference]: With dead ends: 330 [2020-12-09 19:49:50,748 INFO L226 Difference]: Without dead ends: 187 [2020-12-09 19:49:50,749 INFO L677 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 [2020-12-09 19:49:50,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-09 19:49:50,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 182. [2020-12-09 19:49:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-12-09 19:49:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 303 transitions. [2020-12-09 19:49:50,760 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 303 transitions. Word has length 40 [2020-12-09 19:49:50,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:50,760 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 303 transitions. [2020-12-09 19:49:50,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 303 transitions. [2020-12-09 19:49:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-09 19:49:50,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:50,763 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 19:49:50,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 19:49:50,763 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:50,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:50,763 INFO L82 PathProgramCache]: Analyzing trace with hash -890333671, now seen corresponding path program 1 times [2020-12-09 19:49:50,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:50,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897276843] [2020-12-09 19:49:50,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:49:50,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897276843] [2020-12-09 19:49:50,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:50,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:50,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055778941] [2020-12-09 19:49:50,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:50,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:50,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:50,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:50,813 INFO L87 Difference]: Start difference. First operand 182 states and 303 transitions. Second operand 3 states. [2020-12-09 19:49:50,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:50,926 INFO L93 Difference]: Finished difference Result 391 states and 658 transitions. [2020-12-09 19:49:50,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:50,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-09 19:49:50,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:50,928 INFO L225 Difference]: With dead ends: 391 [2020-12-09 19:49:50,928 INFO L226 Difference]: Without dead ends: 211 [2020-12-09 19:49:50,930 INFO L677 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 [2020-12-09 19:49:50,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-12-09 19:49:50,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-12-09 19:49:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-12-09 19:49:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 355 transitions. [2020-12-09 19:49:50,945 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 355 transitions. Word has length 66 [2020-12-09 19:49:50,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:50,946 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 355 transitions. [2020-12-09 19:49:50,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 355 transitions. [2020-12-09 19:49:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-09 19:49:50,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:50,950 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:50,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 19:49:50,950 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:50,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:50,950 INFO L82 PathProgramCache]: Analyzing trace with hash 668912470, now seen corresponding path program 1 times [2020-12-09 19:49:50,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:50,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795490988] [2020-12-09 19:49:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 19:49:50,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795490988] [2020-12-09 19:49:50,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:50,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:50,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165666334] [2020-12-09 19:49:50,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:50,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:50,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:50,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:50,997 INFO L87 Difference]: Start difference. First operand 211 states and 355 transitions. Second operand 3 states. [2020-12-09 19:49:51,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:51,085 INFO L93 Difference]: Finished difference Result 435 states and 732 transitions. [2020-12-09 19:49:51,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:51,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-09 19:49:51,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:51,087 INFO L225 Difference]: With dead ends: 435 [2020-12-09 19:49:51,087 INFO L226 Difference]: Without dead ends: 226 [2020-12-09 19:49:51,088 INFO L677 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 [2020-12-09 19:49:51,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-12-09 19:49:51,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 224. [2020-12-09 19:49:51,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-12-09 19:49:51,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 374 transitions. [2020-12-09 19:49:51,098 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 374 transitions. Word has length 77 [2020-12-09 19:49:51,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:51,098 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 374 transitions. [2020-12-09 19:49:51,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 374 transitions. [2020-12-09 19:49:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-09 19:49:51,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:51,100 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:51,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 19:49:51,100 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:51,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:51,100 INFO L82 PathProgramCache]: Analyzing trace with hash 426447893, now seen corresponding path program 1 times [2020-12-09 19:49:51,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:51,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604335696] [2020-12-09 19:49:51,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:49:51,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604335696] [2020-12-09 19:49:51,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:51,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:51,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462698858] [2020-12-09 19:49:51,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:51,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:51,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:51,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:51,169 INFO L87 Difference]: Start difference. First operand 224 states and 374 transitions. Second operand 3 states. [2020-12-09 19:49:51,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:51,273 INFO L93 Difference]: Finished difference Result 487 states and 819 transitions. [2020-12-09 19:49:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:51,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-09 19:49:51,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:51,275 INFO L225 Difference]: With dead ends: 487 [2020-12-09 19:49:51,275 INFO L226 Difference]: Without dead ends: 265 [2020-12-09 19:49:51,276 INFO L677 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 [2020-12-09 19:49:51,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-12-09 19:49:51,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 262. [2020-12-09 19:49:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-09 19:49:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 442 transitions. [2020-12-09 19:49:51,285 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 442 transitions. Word has length 77 [2020-12-09 19:49:51,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:51,285 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 442 transitions. [2020-12-09 19:49:51,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 442 transitions. [2020-12-09 19:49:51,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-09 19:49:51,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:51,286 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:51,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 19:49:51,287 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:51,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:51,287 INFO L82 PathProgramCache]: Analyzing trace with hash 66601373, now seen corresponding path program 1 times [2020-12-09 19:49:51,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:51,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978990792] [2020-12-09 19:49:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 19:49:51,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978990792] [2020-12-09 19:49:51,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:51,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:51,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47803663] [2020-12-09 19:49:51,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:51,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:51,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:51,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:51,330 INFO L87 Difference]: Start difference. First operand 262 states and 442 transitions. Second operand 3 states. [2020-12-09 19:49:51,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:51,416 INFO L93 Difference]: Finished difference Result 524 states and 884 transitions. [2020-12-09 19:49:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:51,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-09 19:49:51,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:51,418 INFO L225 Difference]: With dead ends: 524 [2020-12-09 19:49:51,419 INFO L226 Difference]: Without dead ends: 264 [2020-12-09 19:49:51,419 INFO L677 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 [2020-12-09 19:49:51,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-12-09 19:49:51,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2020-12-09 19:49:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-12-09 19:49:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 438 transitions. [2020-12-09 19:49:51,430 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 438 transitions. Word has length 78 [2020-12-09 19:49:51,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:51,431 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 438 transitions. [2020-12-09 19:49:51,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 438 transitions. [2020-12-09 19:49:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-09 19:49:51,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:51,432 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:51,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 19:49:51,433 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:51,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:51,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2101350583, now seen corresponding path program 1 times [2020-12-09 19:49:51,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:51,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518418091] [2020-12-09 19:49:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:49:51,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518418091] [2020-12-09 19:49:51,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:51,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:51,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416966619] [2020-12-09 19:49:51,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:51,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:51,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:51,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:51,479 INFO L87 Difference]: Start difference. First operand 262 states and 438 transitions. Second operand 3 states. [2020-12-09 19:49:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:51,585 INFO L93 Difference]: Finished difference Result 525 states and 877 transitions. [2020-12-09 19:49:51,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:51,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-09 19:49:51,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:51,587 INFO L225 Difference]: With dead ends: 525 [2020-12-09 19:49:51,587 INFO L226 Difference]: Without dead ends: 263 [2020-12-09 19:49:51,587 INFO L677 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 [2020-12-09 19:49:51,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-12-09 19:49:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 260. [2020-12-09 19:49:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-12-09 19:49:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 433 transitions. [2020-12-09 19:49:51,594 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 433 transitions. Word has length 78 [2020-12-09 19:49:51,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:51,595 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 433 transitions. [2020-12-09 19:49:51,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 433 transitions. [2020-12-09 19:49:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-09 19:49:51,596 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:51,596 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:51,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 19:49:51,596 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:51,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:51,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1632365696, now seen corresponding path program 1 times [2020-12-09 19:49:51,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:51,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737409253] [2020-12-09 19:49:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-09 19:49:51,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737409253] [2020-12-09 19:49:51,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:51,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:51,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440986263] [2020-12-09 19:49:51,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:51,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:51,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:51,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:51,622 INFO L87 Difference]: Start difference. First operand 260 states and 433 transitions. Second operand 3 states. [2020-12-09 19:49:51,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:51,702 INFO L93 Difference]: Finished difference Result 525 states and 873 transitions. [2020-12-09 19:49:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:51,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-09 19:49:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:51,704 INFO L225 Difference]: With dead ends: 525 [2020-12-09 19:49:51,704 INFO L226 Difference]: Without dead ends: 267 [2020-12-09 19:49:51,705 INFO L677 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 [2020-12-09 19:49:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-12-09 19:49:51,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2020-12-09 19:49:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-12-09 19:49:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 436 transitions. [2020-12-09 19:49:51,716 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 436 transitions. Word has length 86 [2020-12-09 19:49:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:51,716 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 436 transitions. [2020-12-09 19:49:51,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 436 transitions. [2020-12-09 19:49:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-09 19:49:51,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:51,718 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:51,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 19:49:51,718 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:51,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:51,719 INFO L82 PathProgramCache]: Analyzing trace with hash -352135463, now seen corresponding path program 1 times [2020-12-09 19:49:51,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:51,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962912151] [2020-12-09 19:49:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 19:49:51,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962912151] [2020-12-09 19:49:51,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:51,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:51,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254448024] [2020-12-09 19:49:51,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:51,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:51,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:51,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:51,757 INFO L87 Difference]: Start difference. First operand 267 states and 436 transitions. Second operand 3 states. [2020-12-09 19:49:51,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:51,872 INFO L93 Difference]: Finished difference Result 561 states and 919 transitions. [2020-12-09 19:49:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:51,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-12-09 19:49:51,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:51,874 INFO L225 Difference]: With dead ends: 561 [2020-12-09 19:49:51,875 INFO L226 Difference]: Without dead ends: 296 [2020-12-09 19:49:51,875 INFO L677 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 [2020-12-09 19:49:51,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-12-09 19:49:51,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2020-12-09 19:49:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-12-09 19:49:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 479 transitions. [2020-12-09 19:49:51,888 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 479 transitions. Word has length 91 [2020-12-09 19:49:51,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:51,888 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 479 transitions. [2020-12-09 19:49:51,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 479 transitions. [2020-12-09 19:49:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-09 19:49:51,889 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:51,890 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:51,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 19:49:51,890 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:51,891 INFO L82 PathProgramCache]: Analyzing trace with hash -13151936, now seen corresponding path program 1 times [2020-12-09 19:49:51,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:51,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781532706] [2020-12-09 19:49:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 19:49:51,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781532706] [2020-12-09 19:49:51,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:51,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:51,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110983275] [2020-12-09 19:49:51,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:51,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:51,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:51,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:51,927 INFO L87 Difference]: Start difference. First operand 294 states and 479 transitions. Second operand 3 states. [2020-12-09 19:49:52,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:52,051 INFO L93 Difference]: Finished difference Result 588 states and 958 transitions. [2020-12-09 19:49:52,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:52,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-09 19:49:52,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:52,053 INFO L225 Difference]: With dead ends: 588 [2020-12-09 19:49:52,053 INFO L226 Difference]: Without dead ends: 296 [2020-12-09 19:49:52,054 INFO L677 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 [2020-12-09 19:49:52,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-12-09 19:49:52,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2020-12-09 19:49:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-12-09 19:49:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 475 transitions. [2020-12-09 19:49:52,062 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 475 transitions. Word has length 92 [2020-12-09 19:49:52,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:52,062 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 475 transitions. [2020-12-09 19:49:52,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 475 transitions. [2020-12-09 19:49:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-09 19:49:52,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:52,063 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:52,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 19:49:52,063 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:52,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:52,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1459314569, now seen corresponding path program 1 times [2020-12-09 19:49:52,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:52,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408657219] [2020-12-09 19:49:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 19:49:52,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408657219] [2020-12-09 19:49:52,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:52,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:52,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114592005] [2020-12-09 19:49:52,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:52,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:52,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:52,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:52,099 INFO L87 Difference]: Start difference. First operand 294 states and 475 transitions. Second operand 3 states. [2020-12-09 19:49:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:52,199 INFO L93 Difference]: Finished difference Result 619 states and 1004 transitions. [2020-12-09 19:49:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:52,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-12-09 19:49:52,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:52,201 INFO L225 Difference]: With dead ends: 619 [2020-12-09 19:49:52,202 INFO L226 Difference]: Without dead ends: 327 [2020-12-09 19:49:52,202 INFO L677 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 [2020-12-09 19:49:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-12-09 19:49:52,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-12-09 19:49:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-12-09 19:49:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 513 transitions. [2020-12-09 19:49:52,212 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 513 transitions. Word has length 93 [2020-12-09 19:49:52,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:52,212 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 513 transitions. [2020-12-09 19:49:52,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 513 transitions. [2020-12-09 19:49:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-09 19:49:52,213 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:52,213 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:52,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 19:49:52,213 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:52,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:52,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1910457152, now seen corresponding path program 1 times [2020-12-09 19:49:52,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:52,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121808834] [2020-12-09 19:49:52,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 19:49:52,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121808834] [2020-12-09 19:49:52,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:52,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:52,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577537541] [2020-12-09 19:49:52,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:52,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:52,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:52,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:52,250 INFO L87 Difference]: Start difference. First operand 319 states and 513 transitions. Second operand 3 states. [2020-12-09 19:49:52,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:52,355 INFO L93 Difference]: Finished difference Result 657 states and 1057 transitions. [2020-12-09 19:49:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:52,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-09 19:49:52,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:52,357 INFO L225 Difference]: With dead ends: 657 [2020-12-09 19:49:52,357 INFO L226 Difference]: Without dead ends: 340 [2020-12-09 19:49:52,358 INFO L677 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 [2020-12-09 19:49:52,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-12-09 19:49:52,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 338. [2020-12-09 19:49:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-12-09 19:49:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 538 transitions. [2020-12-09 19:49:52,368 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 538 transitions. Word has length 94 [2020-12-09 19:49:52,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:52,368 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 538 transitions. [2020-12-09 19:49:52,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 538 transitions. [2020-12-09 19:49:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-09 19:49:52,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:52,369 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:52,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 19:49:52,370 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:52,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:52,370 INFO L82 PathProgramCache]: Analyzing trace with hash 883610512, now seen corresponding path program 1 times [2020-12-09 19:49:52,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:52,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239069094] [2020-12-09 19:49:52,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-09 19:49:52,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239069094] [2020-12-09 19:49:52,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:52,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:52,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406770769] [2020-12-09 19:49:52,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:52,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:52,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:52,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:52,396 INFO L87 Difference]: Start difference. First operand 338 states and 538 transitions. Second operand 3 states. [2020-12-09 19:49:52,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:52,523 INFO L93 Difference]: Finished difference Result 682 states and 1087 transitions. [2020-12-09 19:49:52,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:52,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-09 19:49:52,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:52,526 INFO L225 Difference]: With dead ends: 682 [2020-12-09 19:49:52,526 INFO L226 Difference]: Without dead ends: 346 [2020-12-09 19:49:52,527 INFO L677 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 [2020-12-09 19:49:52,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-12-09 19:49:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 338. [2020-12-09 19:49:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-12-09 19:49:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 533 transitions. [2020-12-09 19:49:52,542 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 533 transitions. Word has length 94 [2020-12-09 19:49:52,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:52,542 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 533 transitions. [2020-12-09 19:49:52,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:52,542 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 533 transitions. [2020-12-09 19:49:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-09 19:49:52,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:52,544 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:52,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 19:49:52,544 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:52,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:52,545 INFO L82 PathProgramCache]: Analyzing trace with hash -260786311, now seen corresponding path program 1 times [2020-12-09 19:49:52,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:52,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600220703] [2020-12-09 19:49:52,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 19:49:52,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600220703] [2020-12-09 19:49:52,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:52,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:52,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222666258] [2020-12-09 19:49:52,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:52,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:52,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:52,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:52,583 INFO L87 Difference]: Start difference. First operand 338 states and 533 transitions. Second operand 3 states. [2020-12-09 19:49:52,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:52,712 INFO L93 Difference]: Finished difference Result 676 states and 1066 transitions. [2020-12-09 19:49:52,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:52,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-09 19:49:52,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:52,715 INFO L225 Difference]: With dead ends: 676 [2020-12-09 19:49:52,715 INFO L226 Difference]: Without dead ends: 340 [2020-12-09 19:49:52,716 INFO L677 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 [2020-12-09 19:49:52,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-12-09 19:49:52,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 338. [2020-12-09 19:49:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-12-09 19:49:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 527 transitions. [2020-12-09 19:49:52,732 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 527 transitions. Word has length 95 [2020-12-09 19:49:52,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:52,732 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 527 transitions. [2020-12-09 19:49:52,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 527 transitions. [2020-12-09 19:49:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-09 19:49:52,734 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:52,734 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:52,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 19:49:52,734 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:52,735 INFO L82 PathProgramCache]: Analyzing trace with hash -512336181, now seen corresponding path program 1 times [2020-12-09 19:49:52,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:52,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230066980] [2020-12-09 19:49:52,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:49:52,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230066980] [2020-12-09 19:49:52,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401958515] [2020-12-09 19:49:52,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:49:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:52,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:49:52,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:49:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:49:53,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:49:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-09 19:49:53,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 19:49:53,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 6 [2020-12-09 19:49:53,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312941846] [2020-12-09 19:49:53,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:53,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:53,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:53,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 19:49:53,173 INFO L87 Difference]: Start difference. First operand 338 states and 527 transitions. Second operand 3 states. [2020-12-09 19:49:53,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:53,211 INFO L93 Difference]: Finished difference Result 673 states and 1051 transitions. [2020-12-09 19:49:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:53,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-09 19:49:53,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:53,214 INFO L225 Difference]: With dead ends: 673 [2020-12-09 19:49:53,214 INFO L226 Difference]: Without dead ends: 671 [2020-12-09 19:49:53,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 19:49:53,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-12-09 19:49:53,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 668. [2020-12-09 19:49:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2020-12-09 19:49:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1045 transitions. [2020-12-09 19:49:53,237 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1045 transitions. Word has length 108 [2020-12-09 19:49:53,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:53,237 INFO L481 AbstractCegarLoop]: Abstraction has 668 states and 1045 transitions. [2020-12-09 19:49:53,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1045 transitions. [2020-12-09 19:49:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-09 19:49:53,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:53,239 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2020-12-09 19:49:53,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-09 19:49:53,439 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:53,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:53,440 INFO L82 PathProgramCache]: Analyzing trace with hash -280326850, now seen corresponding path program 1 times [2020-12-09 19:49:53,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:53,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828435072] [2020-12-09 19:49:53,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 19:49:53,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828435072] [2020-12-09 19:49:53,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:53,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:53,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402601240] [2020-12-09 19:49:53,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:53,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:53,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:53,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:53,478 INFO L87 Difference]: Start difference. First operand 668 states and 1045 transitions. Second operand 3 states. [2020-12-09 19:49:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:53,620 INFO L93 Difference]: Finished difference Result 1077 states and 1686 transitions. [2020-12-09 19:49:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:53,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-09 19:49:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:53,623 INFO L225 Difference]: With dead ends: 1077 [2020-12-09 19:49:53,623 INFO L226 Difference]: Without dead ends: 741 [2020-12-09 19:49:53,624 INFO L677 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 [2020-12-09 19:49:53,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-12-09 19:49:53,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2020-12-09 19:49:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-12-09 19:49:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1154 transitions. [2020-12-09 19:49:53,647 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1154 transitions. Word has length 111 [2020-12-09 19:49:53,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:53,648 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 1154 transitions. [2020-12-09 19:49:53,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1154 transitions. [2020-12-09 19:49:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-09 19:49:53,649 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:53,649 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2020-12-09 19:49:53,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 19:49:53,649 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:53,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:53,650 INFO L82 PathProgramCache]: Analyzing trace with hash 792124928, now seen corresponding path program 1 times [2020-12-09 19:49:53,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:53,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222031104] [2020-12-09 19:49:53,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 19:49:53,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222031104] [2020-12-09 19:49:53,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:53,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:53,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5074689] [2020-12-09 19:49:53,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:53,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:53,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:53,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:53,678 INFO L87 Difference]: Start difference. First operand 739 states and 1154 transitions. Second operand 3 states. [2020-12-09 19:49:53,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:53,810 INFO L93 Difference]: Finished difference Result 1113 states and 1736 transitions. [2020-12-09 19:49:53,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:53,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-09 19:49:53,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:53,813 INFO L225 Difference]: With dead ends: 1113 [2020-12-09 19:49:53,813 INFO L226 Difference]: Without dead ends: 739 [2020-12-09 19:49:53,814 INFO L677 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 [2020-12-09 19:49:53,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-12-09 19:49:53,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 737. [2020-12-09 19:49:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-12-09 19:49:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1145 transitions. [2020-12-09 19:49:53,840 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1145 transitions. Word has length 112 [2020-12-09 19:49:53,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:53,841 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 1145 transitions. [2020-12-09 19:49:53,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1145 transitions. [2020-12-09 19:49:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-09 19:49:53,842 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:53,843 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2020-12-09 19:49:53,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 19:49:53,843 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:53,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:53,843 INFO L82 PathProgramCache]: Analyzing trace with hash 359947368, now seen corresponding path program 1 times [2020-12-09 19:49:53,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:53,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140345265] [2020-12-09 19:49:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-09 19:49:53,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140345265] [2020-12-09 19:49:53,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:53,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:53,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515867822] [2020-12-09 19:49:53,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:53,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:53,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:53,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:53,887 INFO L87 Difference]: Start difference. First operand 737 states and 1145 transitions. Second operand 3 states. [2020-12-09 19:49:54,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:54,011 INFO L93 Difference]: Finished difference Result 1544 states and 2400 transitions. [2020-12-09 19:49:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:54,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-12-09 19:49:54,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:54,015 INFO L225 Difference]: With dead ends: 1544 [2020-12-09 19:49:54,015 INFO L226 Difference]: Without dead ends: 809 [2020-12-09 19:49:54,016 INFO L677 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 [2020-12-09 19:49:54,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-12-09 19:49:54,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 805. [2020-12-09 19:49:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2020-12-09 19:49:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1245 transitions. [2020-12-09 19:49:54,038 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1245 transitions. Word has length 143 [2020-12-09 19:49:54,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:54,038 INFO L481 AbstractCegarLoop]: Abstraction has 805 states and 1245 transitions. [2020-12-09 19:49:54,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1245 transitions. [2020-12-09 19:49:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-09 19:49:54,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:54,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2020-12-09 19:49:54,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 19:49:54,040 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:54,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:54,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1509754422, now seen corresponding path program 1 times [2020-12-09 19:49:54,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:54,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950203086] [2020-12-09 19:49:54,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-09 19:49:54,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950203086] [2020-12-09 19:49:54,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:54,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:54,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87315636] [2020-12-09 19:49:54,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:54,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:54,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:54,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:54,077 INFO L87 Difference]: Start difference. First operand 805 states and 1245 transitions. Second operand 3 states. [2020-12-09 19:49:54,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:54,201 INFO L93 Difference]: Finished difference Result 1612 states and 2492 transitions. [2020-12-09 19:49:54,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:54,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-12-09 19:49:54,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:54,205 INFO L225 Difference]: With dead ends: 1612 [2020-12-09 19:49:54,205 INFO L226 Difference]: Without dead ends: 805 [2020-12-09 19:49:54,206 INFO L677 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 [2020-12-09 19:49:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-12-09 19:49:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 799. [2020-12-09 19:49:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2020-12-09 19:49:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1229 transitions. [2020-12-09 19:49:54,227 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1229 transitions. Word has length 144 [2020-12-09 19:49:54,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:54,227 INFO L481 AbstractCegarLoop]: Abstraction has 799 states and 1229 transitions. [2020-12-09 19:49:54,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:54,228 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1229 transitions. [2020-12-09 19:49:54,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-09 19:49:54,229 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:54,230 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1] [2020-12-09 19:49:54,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 19:49:54,230 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:54,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:54,230 INFO L82 PathProgramCache]: Analyzing trace with hash 69653911, now seen corresponding path program 1 times [2020-12-09 19:49:54,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:54,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240994167] [2020-12-09 19:49:54,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-12-09 19:49:54,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240994167] [2020-12-09 19:49:54,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:54,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:54,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910388353] [2020-12-09 19:49:54,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:54,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:54,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:54,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:54,272 INFO L87 Difference]: Start difference. First operand 799 states and 1229 transitions. Second operand 3 states. [2020-12-09 19:49:54,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:54,398 INFO L93 Difference]: Finished difference Result 1664 states and 2560 transitions. [2020-12-09 19:49:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:54,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-12-09 19:49:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:54,402 INFO L225 Difference]: With dead ends: 1664 [2020-12-09 19:49:54,402 INFO L226 Difference]: Without dead ends: 867 [2020-12-09 19:49:54,403 INFO L677 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 [2020-12-09 19:49:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-12-09 19:49:54,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 863. [2020-12-09 19:49:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2020-12-09 19:49:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1319 transitions. [2020-12-09 19:49:54,426 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1319 transitions. Word has length 173 [2020-12-09 19:49:54,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:54,426 INFO L481 AbstractCegarLoop]: Abstraction has 863 states and 1319 transitions. [2020-12-09 19:49:54,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1319 transitions. [2020-12-09 19:49:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-09 19:49:54,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:54,428 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1] [2020-12-09 19:49:54,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 19:49:54,428 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:54,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:54,428 INFO L82 PathProgramCache]: Analyzing trace with hash 520925209, now seen corresponding path program 1 times [2020-12-09 19:49:54,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:54,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074598512] [2020-12-09 19:49:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-12-09 19:49:54,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074598512] [2020-12-09 19:49:54,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:54,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:54,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784014753] [2020-12-09 19:49:54,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:54,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:54,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:54,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:54,468 INFO L87 Difference]: Start difference. First operand 863 states and 1319 transitions. Second operand 3 states. [2020-12-09 19:49:54,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:54,589 INFO L93 Difference]: Finished difference Result 1728 states and 2640 transitions. [2020-12-09 19:49:54,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:54,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-09 19:49:54,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:54,593 INFO L225 Difference]: With dead ends: 1728 [2020-12-09 19:49:54,593 INFO L226 Difference]: Without dead ends: 863 [2020-12-09 19:49:54,594 INFO L677 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 [2020-12-09 19:49:54,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-12-09 19:49:54,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 857. [2020-12-09 19:49:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-12-09 19:49:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1301 transitions. [2020-12-09 19:49:54,616 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1301 transitions. Word has length 174 [2020-12-09 19:49:54,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:54,616 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1301 transitions. [2020-12-09 19:49:54,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:54,616 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1301 transitions. [2020-12-09 19:49:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-09 19:49:54,618 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:54,618 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:54,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-09 19:49:54,618 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:54,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:54,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1095217751, now seen corresponding path program 1 times [2020-12-09 19:49:54,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:54,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119809284] [2020-12-09 19:49:54,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-12-09 19:49:54,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119809284] [2020-12-09 19:49:54,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:54,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:54,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888575687] [2020-12-09 19:49:54,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:54,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:54,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:54,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:54,655 INFO L87 Difference]: Start difference. First operand 857 states and 1301 transitions. Second operand 3 states. [2020-12-09 19:49:54,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:54,769 INFO L93 Difference]: Finished difference Result 1778 states and 2706 transitions. [2020-12-09 19:49:54,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:54,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-12-09 19:49:54,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:54,773 INFO L225 Difference]: With dead ends: 1778 [2020-12-09 19:49:54,773 INFO L226 Difference]: Without dead ends: 923 [2020-12-09 19:49:54,774 INFO L677 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 [2020-12-09 19:49:54,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-12-09 19:49:54,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 903. [2020-12-09 19:49:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-12-09 19:49:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1357 transitions. [2020-12-09 19:49:54,803 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1357 transitions. Word has length 189 [2020-12-09 19:49:54,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:54,804 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 1357 transitions. [2020-12-09 19:49:54,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1357 transitions. [2020-12-09 19:49:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-09 19:49:54,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:54,806 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:54,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-09 19:49:54,806 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:54,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:54,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1327018430, now seen corresponding path program 1 times [2020-12-09 19:49:54,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:54,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579978868] [2020-12-09 19:49:54,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-12-09 19:49:54,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579978868] [2020-12-09 19:49:54,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:54,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:54,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292166656] [2020-12-09 19:49:54,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:54,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:54,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:54,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:54,860 INFO L87 Difference]: Start difference. First operand 903 states and 1357 transitions. Second operand 3 states. [2020-12-09 19:49:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:54,967 INFO L93 Difference]: Finished difference Result 1824 states and 2744 transitions. [2020-12-09 19:49:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:54,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-12-09 19:49:54,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:54,971 INFO L225 Difference]: With dead ends: 1824 [2020-12-09 19:49:54,971 INFO L226 Difference]: Without dead ends: 923 [2020-12-09 19:49:54,972 INFO L677 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 [2020-12-09 19:49:54,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-12-09 19:49:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 903. [2020-12-09 19:49:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-12-09 19:49:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1339 transitions. [2020-12-09 19:49:54,996 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1339 transitions. Word has length 190 [2020-12-09 19:49:54,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:54,996 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 1339 transitions. [2020-12-09 19:49:54,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:54,996 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1339 transitions. [2020-12-09 19:49:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-09 19:49:54,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:54,998 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1] [2020-12-09 19:49:54,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-09 19:49:54,998 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:54,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:54,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1075758970, now seen corresponding path program 1 times [2020-12-09 19:49:54,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:54,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618793788] [2020-12-09 19:49:54,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-12-09 19:49:55,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618793788] [2020-12-09 19:49:55,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:55,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:55,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576938595] [2020-12-09 19:49:55,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:55,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:55,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:55,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:55,042 INFO L87 Difference]: Start difference. First operand 903 states and 1339 transitions. Second operand 3 states. [2020-12-09 19:49:55,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:55,154 INFO L93 Difference]: Finished difference Result 1812 states and 2686 transitions. [2020-12-09 19:49:55,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:55,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-12-09 19:49:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:55,158 INFO L225 Difference]: With dead ends: 1812 [2020-12-09 19:49:55,158 INFO L226 Difference]: Without dead ends: 911 [2020-12-09 19:49:55,159 INFO L677 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 [2020-12-09 19:49:55,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-12-09 19:49:55,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 903. [2020-12-09 19:49:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-12-09 19:49:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1327 transitions. [2020-12-09 19:49:55,182 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1327 transitions. Word has length 203 [2020-12-09 19:49:55,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:55,182 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 1327 transitions. [2020-12-09 19:49:55,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1327 transitions. [2020-12-09 19:49:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-09 19:49:55,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:55,184 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1] [2020-12-09 19:49:55,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-09 19:49:55,184 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:55,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:55,184 INFO L82 PathProgramCache]: Analyzing trace with hash 204740648, now seen corresponding path program 1 times [2020-12-09 19:49:55,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:55,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052092194] [2020-12-09 19:49:55,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-12-09 19:49:55,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052092194] [2020-12-09 19:49:55,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:55,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:55,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856984406] [2020-12-09 19:49:55,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:55,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:55,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:55,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:55,226 INFO L87 Difference]: Start difference. First operand 903 states and 1327 transitions. Second operand 3 states. [2020-12-09 19:49:55,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:55,349 INFO L93 Difference]: Finished difference Result 1812 states and 2662 transitions. [2020-12-09 19:49:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:55,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-12-09 19:49:55,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:55,353 INFO L225 Difference]: With dead ends: 1812 [2020-12-09 19:49:55,353 INFO L226 Difference]: Without dead ends: 893 [2020-12-09 19:49:55,354 INFO L677 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 [2020-12-09 19:49:55,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-12-09 19:49:55,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 876. [2020-12-09 19:49:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2020-12-09 19:49:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1280 transitions. [2020-12-09 19:49:55,377 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1280 transitions. Word has length 204 [2020-12-09 19:49:55,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:55,377 INFO L481 AbstractCegarLoop]: Abstraction has 876 states and 1280 transitions. [2020-12-09 19:49:55,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1280 transitions. [2020-12-09 19:49:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-09 19:49:55,379 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:55,379 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:55,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-09 19:49:55,379 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:55,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1367906934, now seen corresponding path program 1 times [2020-12-09 19:49:55,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:55,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942949331] [2020-12-09 19:49:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-12-09 19:49:55,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942949331] [2020-12-09 19:49:55,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:55,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:55,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354622020] [2020-12-09 19:49:55,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:55,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:55,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:55,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:55,421 INFO L87 Difference]: Start difference. First operand 876 states and 1280 transitions. Second operand 3 states. [2020-12-09 19:49:55,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:55,550 INFO L93 Difference]: Finished difference Result 1779 states and 2601 transitions. [2020-12-09 19:49:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:55,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-12-09 19:49:55,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:55,554 INFO L225 Difference]: With dead ends: 1779 [2020-12-09 19:49:55,555 INFO L226 Difference]: Without dead ends: 905 [2020-12-09 19:49:55,555 INFO L677 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 [2020-12-09 19:49:55,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-12-09 19:49:55,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2020-12-09 19:49:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-12-09 19:49:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1294 transitions. [2020-12-09 19:49:55,582 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1294 transitions. Word has length 209 [2020-12-09 19:49:55,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:55,582 INFO L481 AbstractCegarLoop]: Abstraction has 897 states and 1294 transitions. [2020-12-09 19:49:55,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1294 transitions. [2020-12-09 19:49:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-09 19:49:55,584 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:55,584 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:55,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-09 19:49:55,584 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:55,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:55,584 INFO L82 PathProgramCache]: Analyzing trace with hash 115750845, now seen corresponding path program 1 times [2020-12-09 19:49:55,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:55,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829361371] [2020-12-09 19:49:55,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2020-12-09 19:49:55,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829361371] [2020-12-09 19:49:55,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:49:55,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:49:55,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808022209] [2020-12-09 19:49:55,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:49:55,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:49:55,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:49:55,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:49:55,626 INFO L87 Difference]: Start difference. First operand 897 states and 1294 transitions. Second operand 3 states. [2020-12-09 19:49:55,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:49:55,730 INFO L93 Difference]: Finished difference Result 1800 states and 2596 transitions. [2020-12-09 19:49:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:49:55,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-12-09 19:49:55,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:49:55,733 INFO L225 Difference]: With dead ends: 1800 [2020-12-09 19:49:55,733 INFO L226 Difference]: Without dead ends: 897 [2020-12-09 19:49:55,734 INFO L677 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 [2020-12-09 19:49:55,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-12-09 19:49:55,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 885. [2020-12-09 19:49:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-12-09 19:49:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1260 transitions. [2020-12-09 19:49:55,758 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1260 transitions. Word has length 210 [2020-12-09 19:49:55,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:49:55,758 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1260 transitions. [2020-12-09 19:49:55,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:49:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1260 transitions. [2020-12-09 19:49:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-09 19:49:55,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:49:55,760 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:49:55,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-09 19:49:55,760 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:49:55,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:49:55,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1280165332, now seen corresponding path program 1 times [2020-12-09 19:49:55,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:49:55,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791172728] [2020-12-09 19:49:55,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:49:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:55,857 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-12-09 19:49:55,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791172728] [2020-12-09 19:49:55,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105814676] [2020-12-09 19:49:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:49:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:49:55,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 19:49:55,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:49:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-12-09 19:49:56,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:49:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 442 proven. 25 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-12-09 19:49:56,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [497371355] [2020-12-09 19:49:56,197 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2020-12-09 19:49:56,197 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:49:56,200 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:49:56,204 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:49:56,204 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:50:02,456 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-12-09 19:50:03,006 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 19:50:03,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:50:03,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2020-12-09 19:50:03,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645618312] [2020-12-09 19:50:03,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 19:50:03,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:50:03,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 19:50:03,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 19:50:03,009 INFO L87 Difference]: Start difference. First operand 885 states and 1260 transitions. Second operand 6 states. [2020-12-09 19:50:03,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:50:03,339 INFO L93 Difference]: Finished difference Result 2651 states and 3762 transitions. [2020-12-09 19:50:03,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 19:50:03,340 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 240 [2020-12-09 19:50:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:50:03,346 INFO L225 Difference]: With dead ends: 2651 [2020-12-09 19:50:03,346 INFO L226 Difference]: Without dead ends: 1746 [2020-12-09 19:50:03,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-12-09 19:50:03,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2020-12-09 19:50:03,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1009. [2020-12-09 19:50:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-12-09 19:50:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1412 transitions. [2020-12-09 19:50:03,413 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1412 transitions. Word has length 240 [2020-12-09 19:50:03,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:50:03,413 INFO L481 AbstractCegarLoop]: Abstraction has 1009 states and 1412 transitions. [2020-12-09 19:50:03,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 19:50:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1412 transitions. [2020-12-09 19:50:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-09 19:50:03,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:50:03,416 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-12-09 19:50:03,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-09 19:50:03,616 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:50:03,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:50:03,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1428669269, now seen corresponding path program 1 times [2020-12-09 19:50:03,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:50:03,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275723247] [2020-12-09 19:50:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:50:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 368 proven. 125 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-12-09 19:50:03,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275723247] [2020-12-09 19:50:03,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235265103] [2020-12-09 19:50:03,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:50:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:03,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 19:50:03,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:50:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 317 proven. 176 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-12-09 19:50:03,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:50:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 368 proven. 125 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-12-09 19:50:04,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1274773888] [2020-12-09 19:50:04,148 INFO L159 IcfgInterpreter]: Started Sifa with 55 locations of interest [2020-12-09 19:50:04,148 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:50:04,149 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:50:04,149 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:50:04,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:50:05,170 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 19:50:05,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:50:05,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2020-12-09 19:50:05,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382062715] [2020-12-09 19:50:05,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 19:50:05,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:50:05,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 19:50:05,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 19:50:05,172 INFO L87 Difference]: Start difference. First operand 1009 states and 1412 transitions. Second operand 8 states. [2020-12-09 19:50:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:50:05,711 INFO L93 Difference]: Finished difference Result 3001 states and 4184 transitions. [2020-12-09 19:50:05,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 19:50:05,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2020-12-09 19:50:05,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:50:05,716 INFO L225 Difference]: With dead ends: 3001 [2020-12-09 19:50:05,716 INFO L226 Difference]: Without dead ends: 1371 [2020-12-09 19:50:05,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:50:05,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2020-12-09 19:50:05,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1316. [2020-12-09 19:50:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-12-09 19:50:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1772 transitions. [2020-12-09 19:50:05,787 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1772 transitions. Word has length 246 [2020-12-09 19:50:05,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:50:05,787 INFO L481 AbstractCegarLoop]: Abstraction has 1316 states and 1772 transitions. [2020-12-09 19:50:05,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 19:50:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1772 transitions. [2020-12-09 19:50:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-12-09 19:50:05,789 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:50:05,789 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:50:05,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:50:05,989 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:50:05,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:50:05,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1665066100, now seen corresponding path program 1 times [2020-12-09 19:50:05,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:50:05,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751526707] [2020-12-09 19:50:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:50:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 492 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2020-12-09 19:50:06,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751526707] [2020-12-09 19:50:06,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68895401] [2020-12-09 19:50:06,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:50:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:06,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 19:50:06,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:50:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2020-12-09 19:50:06,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:50:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2020-12-09 19:50:06,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 19:50:06,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5] total 10 [2020-12-09 19:50:06,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133647026] [2020-12-09 19:50:06,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 19:50:06,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:50:06,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 19:50:06,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:50:06,690 INFO L87 Difference]: Start difference. First operand 1316 states and 1772 transitions. Second operand 6 states. [2020-12-09 19:50:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:50:06,946 INFO L93 Difference]: Finished difference Result 6619 states and 8906 transitions. [2020-12-09 19:50:06,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 19:50:06,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 332 [2020-12-09 19:50:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:50:06,965 INFO L225 Difference]: With dead ends: 6619 [2020-12-09 19:50:06,965 INFO L226 Difference]: Without dead ends: 5305 [2020-12-09 19:50:06,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 662 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-12-09 19:50:06,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5305 states. [2020-12-09 19:50:07,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5305 to 2625. [2020-12-09 19:50:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2020-12-09 19:50:07,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3532 transitions. [2020-12-09 19:50:07,072 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3532 transitions. Word has length 332 [2020-12-09 19:50:07,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:50:07,072 INFO L481 AbstractCegarLoop]: Abstraction has 2625 states and 3532 transitions. [2020-12-09 19:50:07,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 19:50:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3532 transitions. [2020-12-09 19:50:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-12-09 19:50:07,075 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:50:07,075 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:50:07,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:50:07,277 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:50:07,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:50:07,278 INFO L82 PathProgramCache]: Analyzing trace with hash -230049820, now seen corresponding path program 1 times [2020-12-09 19:50:07,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:50:07,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161173145] [2020-12-09 19:50:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:50:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 492 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2020-12-09 19:50:07,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161173145] [2020-12-09 19:50:07,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984815387] [2020-12-09 19:50:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:50:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:07,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:50:07,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:50:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 492 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2020-12-09 19:50:07,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:50:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 446 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2020-12-09 19:50:08,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [868160704] [2020-12-09 19:50:08,219 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2020-12-09 19:50:08,219 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:50:08,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:50:08,219 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:50:08,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:50:45,571 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 19:50:45,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:50:45,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 3] total 8 [2020-12-09 19:50:45,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091479435] [2020-12-09 19:50:45,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 19:50:45,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:50:45,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 19:50:45,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-12-09 19:50:45,573 INFO L87 Difference]: Start difference. First operand 2625 states and 3532 transitions. Second operand 9 states. [2020-12-09 19:50:45,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:50:45,806 INFO L93 Difference]: Finished difference Result 6448 states and 8590 transitions. [2020-12-09 19:50:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 19:50:45,807 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 333 [2020-12-09 19:50:45,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:50:45,822 INFO L225 Difference]: With dead ends: 6448 [2020-12-09 19:50:45,822 INFO L226 Difference]: Without dead ends: 4554 [2020-12-09 19:50:45,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 661 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-12-09 19:50:45,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2020-12-09 19:50:45,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2688. [2020-12-09 19:50:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2688 states. [2020-12-09 19:50:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3558 transitions. [2020-12-09 19:50:45,932 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3558 transitions. Word has length 333 [2020-12-09 19:50:45,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:50:45,932 INFO L481 AbstractCegarLoop]: Abstraction has 2688 states and 3558 transitions. [2020-12-09 19:50:45,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 19:50:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3558 transitions. [2020-12-09 19:50:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2020-12-09 19:50:45,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:50:45,936 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2020-12-09 19:50:46,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:50:46,138 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:50:46,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:50:46,139 INFO L82 PathProgramCache]: Analyzing trace with hash 767476014, now seen corresponding path program 1 times [2020-12-09 19:50:46,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:50:46,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417958431] [2020-12-09 19:50:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:50:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1159 proven. 521 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2020-12-09 19:50:46,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417958431] [2020-12-09 19:50:46,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632547467] [2020-12-09 19:50:46,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:50:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:50:46,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:50:46,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:50:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1006 proven. 674 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2020-12-09 19:50:46,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:50:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1159 proven. 521 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2020-12-09 19:50:47,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1278427221] [2020-12-09 19:50:47,206 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2020-12-09 19:50:47,206 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 19:50:47,206 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 19:50:47,206 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 19:50:47,206 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 19:58:15,721 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 19:58:15,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 19:58:15,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2020-12-09 19:58:15,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580306412] [2020-12-09 19:58:15,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 19:58:15,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:58:15,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 19:58:15,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:58:15,724 INFO L87 Difference]: Start difference. First operand 2688 states and 3558 transitions. Second operand 10 states. [2020-12-09 19:58:16,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:16,415 INFO L93 Difference]: Finished difference Result 5201 states and 6896 transitions. [2020-12-09 19:58:16,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 19:58:16,415 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 471 [2020-12-09 19:58:16,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:16,419 INFO L225 Difference]: With dead ends: 5201 [2020-12-09 19:58:16,420 INFO L226 Difference]: Without dead ends: 3170 [2020-12-09 19:58:16,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 946 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-12-09 19:58:16,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2020-12-09 19:58:16,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 1720. [2020-12-09 19:58:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2020-12-09 19:58:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2237 transitions. [2020-12-09 19:58:16,548 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2237 transitions. Word has length 471 [2020-12-09 19:58:16,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:16,548 INFO L481 AbstractCegarLoop]: Abstraction has 1720 states and 2237 transitions. [2020-12-09 19:58:16,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 19:58:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2237 transitions. [2020-12-09 19:58:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2020-12-09 19:58:16,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:16,553 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 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, 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] [2020-12-09 19:58:16,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:58:16,754 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:16,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:16,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1575157325, now seen corresponding path program 2 times [2020-12-09 19:58:16,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:58:16,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678058793] [2020-12-09 19:58:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:58:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4988 backedges. 2771 proven. 0 refuted. 0 times theorem prover too weak. 2217 trivial. 0 not checked. [2020-12-09 19:58:17,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678058793] [2020-12-09 19:58:17,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:58:17,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:58:17,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587418281] [2020-12-09 19:58:17,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:58:17,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:58:17,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:58:17,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:58:17,016 INFO L87 Difference]: Start difference. First operand 1720 states and 2237 transitions. Second operand 3 states. [2020-12-09 19:58:17,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:17,166 INFO L93 Difference]: Finished difference Result 2613 states and 3393 transitions. [2020-12-09 19:58:17,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:58:17,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 627 [2020-12-09 19:58:17,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:17,168 INFO L225 Difference]: With dead ends: 2613 [2020-12-09 19:58:17,168 INFO L226 Difference]: Without dead ends: 1752 [2020-12-09 19:58:17,169 INFO L677 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 [2020-12-09 19:58:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2020-12-09 19:58:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1720. [2020-12-09 19:58:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2020-12-09 19:58:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2217 transitions. [2020-12-09 19:58:17,240 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2217 transitions. Word has length 627 [2020-12-09 19:58:17,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:17,240 INFO L481 AbstractCegarLoop]: Abstraction has 1720 states and 2217 transitions. [2020-12-09 19:58:17,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:58:17,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2217 transitions. [2020-12-09 19:58:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2020-12-09 19:58:17,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:17,245 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 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, 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] [2020-12-09 19:58:17,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2020-12-09 19:58:17,245 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:17,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:17,245 INFO L82 PathProgramCache]: Analyzing trace with hash 856188941, now seen corresponding path program 1 times [2020-12-09 19:58:17,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:58:17,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586798573] [2020-12-09 19:58:17,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:58:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5101 backedges. 2752 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2020-12-09 19:58:17,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586798573] [2020-12-09 19:58:17,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:58:17,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:58:17,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985413197] [2020-12-09 19:58:17,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:58:17,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:58:17,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:58:17,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:58:17,473 INFO L87 Difference]: Start difference. First operand 1720 states and 2217 transitions. Second operand 3 states. [2020-12-09 19:58:17,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:17,615 INFO L93 Difference]: Finished difference Result 3438 states and 4432 transitions. [2020-12-09 19:58:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:58:17,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 638 [2020-12-09 19:58:17,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:17,618 INFO L225 Difference]: With dead ends: 3438 [2020-12-09 19:58:17,618 INFO L226 Difference]: Without dead ends: 1720 [2020-12-09 19:58:17,619 INFO L677 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 [2020-12-09 19:58:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2020-12-09 19:58:17,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1720. [2020-12-09 19:58:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1720 states. [2020-12-09 19:58:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2201 transitions. [2020-12-09 19:58:17,685 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2201 transitions. Word has length 638 [2020-12-09 19:58:17,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:17,685 INFO L481 AbstractCegarLoop]: Abstraction has 1720 states and 2201 transitions. [2020-12-09 19:58:17,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:58:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2201 transitions. [2020-12-09 19:58:17,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2020-12-09 19:58:17,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:17,690 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 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, 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] [2020-12-09 19:58:17,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2020-12-09 19:58:17,690 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:17,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:17,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1638526958, now seen corresponding path program 2 times [2020-12-09 19:58:17,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:58:17,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145127607] [2020-12-09 19:58:17,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:58:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 5542 backedges. 3058 proven. 120 refuted. 0 times theorem prover too weak. 2364 trivial. 0 not checked. [2020-12-09 19:58:17,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145127607] [2020-12-09 19:58:17,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876754786] [2020-12-09 19:58:17,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:58:18,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2020-12-09 19:58:18,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 19:58:18,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 19:58:18,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:58:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5542 backedges. 3068 proven. 0 refuted. 0 times theorem prover too weak. 2474 trivial. 0 not checked. [2020-12-09 19:58:18,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 19:58:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5542 backedges. 3068 proven. 0 refuted. 0 times theorem prover too weak. 2474 trivial. 0 not checked. [2020-12-09 19:58:18,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 19:58:18,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2020-12-09 19:58:18,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634092000] [2020-12-09 19:58:18,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:58:18,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:58:18,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:58:18,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-09 19:58:18,823 INFO L87 Difference]: Start difference. First operand 1720 states and 2201 transitions. Second operand 4 states. [2020-12-09 19:58:18,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:18,967 INFO L93 Difference]: Finished difference Result 3474 states and 4450 transitions. [2020-12-09 19:58:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:58:18,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 666 [2020-12-09 19:58:18,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:18,969 INFO L225 Difference]: With dead ends: 3474 [2020-12-09 19:58:18,970 INFO L226 Difference]: Without dead ends: 1744 [2020-12-09 19:58:18,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1334 GetRequests, 1330 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-09 19:58:18,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2020-12-09 19:58:19,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1744. [2020-12-09 19:58:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1744 states. [2020-12-09 19:58:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2221 transitions. [2020-12-09 19:58:19,045 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2221 transitions. Word has length 666 [2020-12-09 19:58:19,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:19,045 INFO L481 AbstractCegarLoop]: Abstraction has 1744 states and 2221 transitions. [2020-12-09 19:58:19,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:58:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2221 transitions. [2020-12-09 19:58:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2020-12-09 19:58:19,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:58:19,050 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 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, 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] [2020-12-09 19:58:19,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 19:58:19,252 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:58:19,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:58:19,253 INFO L82 PathProgramCache]: Analyzing trace with hash -486627875, now seen corresponding path program 1 times [2020-12-09 19:58:19,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:58:19,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501412789] [2020-12-09 19:58:19,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:58:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:58:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5684 backedges. 3078 proven. 0 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2020-12-09 19:58:19,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501412789] [2020-12-09 19:58:19,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:58:19,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 19:58:19,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001855462] [2020-12-09 19:58:19,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 19:58:19,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:58:19,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 19:58:19,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 19:58:19,530 INFO L87 Difference]: Start difference. First operand 1744 states and 2221 transitions. Second operand 3 states. [2020-12-09 19:58:19,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:58:19,631 INFO L93 Difference]: Finished difference Result 2627 states and 3346 transitions. [2020-12-09 19:58:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 19:58:19,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 678 [2020-12-09 19:58:19,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:58:19,632 INFO L225 Difference]: With dead ends: 2627 [2020-12-09 19:58:19,632 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 19:58:19,633 INFO L677 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 [2020-12-09 19:58:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 19:58:19,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 19:58:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 19:58:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 19:58:19,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 678 [2020-12-09 19:58:19,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:58:19,634 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 19:58:19,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 19:58:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 19:58:19,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 19:58:19,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2020-12-09 19:58:19,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 19:58:19,806 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 149 [2020-12-09 19:58:20,554 WARN L197 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 343 [2020-12-09 19:58:21,546 WARN L197 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 329 [2020-12-09 19:58:22,391 WARN L197 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 329 [2020-12-09 19:58:23,174 WARN L197 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 329 [2020-12-09 19:58:23,580 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 62 [2020-12-09 19:58:23,899 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 62 [2020-12-09 19:58:24,317 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 101 [2020-12-09 19:58:26,285 WARN L197 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 272 DAG size of output: 109 [2020-12-09 19:58:26,772 WARN L197 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2020-12-09 19:58:27,081 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 60 [2020-12-09 19:58:27,390 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-12-09 19:58:28,417 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 154 DAG size of output: 104 [2020-12-09 19:58:28,601 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2020-12-09 19:58:28,740 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 24 [2020-12-09 19:58:29,103 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2020-12-09 19:58:30,863 WARN L197 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 257 DAG size of output: 102 [2020-12-09 19:58:31,238 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 81 [2020-12-09 19:58:31,613 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 58 [2020-12-09 19:58:32,123 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 69 [2020-12-09 19:58:32,454 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-12-09 19:58:34,214 WARN L197 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 257 DAG size of output: 102 [2020-12-09 19:58:34,599 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 67 [2020-12-09 19:58:34,920 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 62 [2020-12-09 19:58:36,685 WARN L197 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 257 DAG size of output: 102 [2020-12-09 19:58:36,986 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2020-12-09 19:58:37,298 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 60 [2020-12-09 19:58:37,619 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2020-12-09 19:58:37,622 INFO L262 CegarLoopResult]: For program point L334(lines 334 368) no Hoare annotation was computed. [2020-12-09 19:58:37,622 INFO L262 CegarLoopResult]: For program point L334-1(lines 334 368) no Hoare annotation was computed. [2020-12-09 19:58:37,622 INFO L258 CegarLoopResult]: At program point L202(lines 202 546) the Hoare annotation is: (let ((.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse0 .cse1 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse0 .cse1) (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse0))) [2020-12-09 19:58:37,622 INFO L262 CegarLoopResult]: For program point L169(lines 169 557) no Hoare annotation was computed. [2020-12-09 19:58:37,622 INFO L262 CegarLoopResult]: For program point L136(lines 136 568) no Hoare annotation was computed. [2020-12-09 19:58:37,623 INFO L258 CegarLoopResult]: At program point L103(lines 103 579) the Hoare annotation is: (let ((.cse0 (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (let ((.cse2 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (.cse17 (not .cse22)) (.cse18 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse1 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not .cse0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse16 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse2) (and .cse4 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse5 .cse1 .cse2) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse1 .cse13 .cse14 .cse15 .cse16) (and .cse6 .cse17 .cse8 .cse18 .cse10 .cse11 .cse12 .cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (and .cse6 .cse17 .cse8 .cse18 .cse10 .cse11 .cse12 .cse16 .cse7 .cse21 .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (and .cse6 .cse17 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse18 .cse10 .cse11 .cse12 .cse7 .cse21 .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse12 .cse1 .cse16) (and .cse21 .cse3) (and .cse6 .cse4 .cse8 .cse10 .cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse16 .cse7 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse13 .cse14 .cse15) (and .cse22 .cse16)))) [2020-12-09 19:58:37,623 INFO L265 CegarLoopResult]: At program point L599(lines 99 600) the Hoare annotation is: true [2020-12-09 19:58:37,623 INFO L262 CegarLoopResult]: For program point L467(lines 467 469) no Hoare annotation was computed. [2020-12-09 19:58:37,623 INFO L262 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-09 19:58:37,623 INFO L262 CegarLoopResult]: For program point L335(lines 335 365) no Hoare annotation was computed. [2020-12-09 19:58:37,623 INFO L258 CegarLoopResult]: At program point L203(lines 199 547) the Hoare annotation is: (let ((.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse7 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse9 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (.cse16 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse17 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse19 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse21 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse22 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse26 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse0 .cse1) (and .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26) (and .cse2 .cse3 .cse4 .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse1))) [2020-12-09 19:58:37,623 INFO L262 CegarLoopResult]: For program point L172(lines 172 556) no Hoare annotation was computed. [2020-12-09 19:58:37,623 INFO L262 CegarLoopResult]: For program point L139(lines 139 567) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L106(lines 106 578) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L305(lines 305 312) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L258 CegarLoopResult]: At program point L173(lines 169 557) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse20 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse20 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2020-12-09 19:58:37,624 INFO L258 CegarLoopResult]: At program point L140(lines 136 568) the Hoare annotation is: (let ((.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L505(lines 505 508) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L340(lines 340 363) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L175(lines 175 555) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L142(lines 142 566) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L109(lines 109 577) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L275-2(lines 209 542) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L441(lines 441 443) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L309(lines 309 311) no Hoare annotation was computed. [2020-12-09 19:58:37,624 INFO L262 CegarLoopResult]: For program point L244(lines 244 254) no Hoare annotation was computed. [2020-12-09 19:58:37,625 INFO L262 CegarLoopResult]: For program point L178(lines 178 554) no Hoare annotation was computed. [2020-12-09 19:58:37,625 INFO L262 CegarLoopResult]: For program point L145(lines 145 565) no Hoare annotation was computed. [2020-12-09 19:58:37,625 INFO L262 CegarLoopResult]: For program point L112(lines 112 576) no Hoare annotation was computed. [2020-12-09 19:58:37,625 INFO L262 CegarLoopResult]: For program point L476-2(lines 209 542) no Hoare annotation was computed. [2020-12-09 19:58:37,625 INFO L262 CegarLoopResult]: For program point L377(lines 377 409) no Hoare annotation was computed. [2020-12-09 19:58:37,625 INFO L262 CegarLoopResult]: For program point L245(lines 245 248) no Hoare annotation was computed. [2020-12-09 19:58:37,625 INFO L258 CegarLoopResult]: At program point L212(lines 106 578) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse6 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (.cse14 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse17 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse19 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse21 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3) (and .cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))))) [2020-12-09 19:58:37,625 INFO L258 CegarLoopResult]: At program point L179(lines 175 555) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4)) .cse19) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2020-12-09 19:58:37,625 INFO L258 CegarLoopResult]: At program point L146(lines 142 566) the Hoare annotation is: (let ((.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse14 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse6 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse14 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse14 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-12-09 19:58:37,625 INFO L265 CegarLoopResult]: At program point L609(lines 12 611) the Hoare annotation is: true [2020-12-09 19:58:37,626 INFO L258 CegarLoopResult]: At program point L543(lines 100 598) the Hoare annotation is: (let ((.cse0 (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (let ((.cse2 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (.cse17 (not .cse22)) (.cse18 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse1 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not .cse0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse16 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse2) (and .cse4 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse5 .cse1 .cse2) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse1 .cse13 .cse14 .cse15 .cse16) (and .cse6 .cse17 .cse8 .cse18 .cse10 .cse11 .cse12 .cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (and .cse6 .cse17 .cse8 .cse18 .cse10 .cse11 .cse12 .cse16 .cse7 .cse21 .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (and .cse6 .cse17 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse18 .cse10 .cse11 .cse12 .cse7 .cse21 .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse12 .cse1 .cse16) (and .cse21 .cse3) (and .cse6 .cse4 .cse8 .cse10 .cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse16 .cse7 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse13 .cse14 .cse15) (and .cse22 .cse16)))) [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L444(lines 444 453) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L181(lines 181 553) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L148(lines 148 564) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L115(lines 115 575) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L513(lines 513 515) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L580(lines 580 596) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L258 CegarLoopResult]: At program point L514(lines 73 610) the Hoare annotation is: false [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L448(lines 448 450) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L184(lines 184 552) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L151(lines 151 563) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L118(lines 118 574) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point L581(lines 581 595) no Hoare annotation was computed. [2020-12-09 19:58:37,626 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 19:58:37,627 INFO L258 CegarLoopResult]: At program point L185(lines 181 553) the Hoare annotation is: (let ((.cse9 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse14 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse11 .cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2020-12-09 19:58:37,627 INFO L258 CegarLoopResult]: At program point L152(lines 148 564) the Hoare annotation is: (let ((.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-12-09 19:58:37,627 INFO L262 CegarLoopResult]: For program point L582(lines 582 587) no Hoare annotation was computed. [2020-12-09 19:58:37,627 INFO L262 CegarLoopResult]: For program point L516(lines 516 518) no Hoare annotation was computed. [2020-12-09 19:58:37,627 INFO L262 CegarLoopResult]: For program point L582-2(lines 581 595) no Hoare annotation was computed. [2020-12-09 19:58:37,627 INFO L262 CegarLoopResult]: For program point L351(lines 351 359) no Hoare annotation was computed. [2020-12-09 19:58:37,627 INFO L258 CegarLoopResult]: At program point L352(lines 328 370) the Hoare annotation is: (let ((.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse8 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-12-09 19:58:37,627 INFO L262 CegarLoopResult]: For program point L187(lines 187 551) no Hoare annotation was computed. [2020-12-09 19:58:37,627 INFO L262 CegarLoopResult]: For program point L154(lines 154 562) no Hoare annotation was computed. [2020-12-09 19:58:37,627 INFO L262 CegarLoopResult]: For program point L121(lines 121 573) no Hoare annotation was computed. [2020-12-09 19:58:37,628 INFO L262 CegarLoopResult]: For program point L584(lines 584 586) no Hoare annotation was computed. [2020-12-09 19:58:37,628 INFO L262 CegarLoopResult]: For program point L419(lines 419 421) no Hoare annotation was computed. [2020-12-09 19:58:37,628 INFO L258 CegarLoopResult]: At program point L386(lines 377 409) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14))) [2020-12-09 19:58:37,628 INFO L258 CegarLoopResult]: At program point L122(lines 118 574) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse13 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))))) [2020-12-09 19:58:37,628 INFO L262 CegarLoopResult]: For program point L354(lines 354 356) no Hoare annotation was computed. [2020-12-09 19:58:37,628 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-09 19:58:37,628 INFO L262 CegarLoopResult]: For program point L288-2(lines 209 542) no Hoare annotation was computed. [2020-12-09 19:58:37,628 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 19:58:37,629 INFO L262 CegarLoopResult]: For program point L322-2(lines 209 542) no Hoare annotation was computed. [2020-12-09 19:58:37,629 INFO L262 CegarLoopResult]: For program point L190(lines 190 550) no Hoare annotation was computed. [2020-12-09 19:58:37,629 INFO L262 CegarLoopResult]: For program point L157(lines 157 561) no Hoare annotation was computed. [2020-12-09 19:58:37,629 INFO L258 CegarLoopResult]: At program point L124(lines 124 572) the Hoare annotation is: (let ((.cse23 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (let ((.cse17 (not .cse22)) (.cse18 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse21 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse5 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not .cse23)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse13 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse11 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse16 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse2 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse7) (and .cse8 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse9 .cse2 .cse7) (and .cse10 .cse11 .cse0 .cse12 .cse13 .cse14 .cse1 .cse2 .cse15 .cse16 .cse3 .cse4) (and .cse10 .cse17 .cse0 .cse18 .cse13 .cse14 .cse1 .cse11 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse19 .cse12 .cse20 .cse15 .cse16 .cse3) (and .cse10 .cse17 .cse0 .cse18 .cse13 .cse14 .cse1 .cse4 .cse11 .cse21 .cse19 .cse12 .cse20 .cse15 .cse16 .cse3) (and .cse10 .cse17 .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse18 .cse13 .cse14 .cse1 .cse11 .cse21 .cse19 .cse12 .cse20 .cse15 .cse16 .cse3) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and .cse21 .cse0 .cse5 .cse3 .cse6) (and .cse10 .cse8 .cse0 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse2 .cse4 .cse11 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse15 .cse16 .cse3) (and .cse22 .cse4) (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) (or (and .cse12 .cse9 .cse23 .cse2) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 .cse7)))))) [2020-12-09 19:58:37,629 INFO L262 CegarLoopResult]: For program point L91-1(lines 73 610) no Hoare annotation was computed. [2020-12-09 19:58:37,629 INFO L262 CegarLoopResult]: For program point L389(lines 389 407) no Hoare annotation was computed. [2020-12-09 19:58:37,629 INFO L258 CegarLoopResult]: At program point L191(lines 187 551) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse12 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse14 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse17 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse7 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2020-12-09 19:58:37,630 INFO L258 CegarLoopResult]: At program point L158(lines 154 562) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14))) [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L390(lines 390 396) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L193(lines 193 549) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L160(lines 160 560) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L127(lines 127 571) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L458(lines 458 460) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L260(lines 260 262) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L227(lines 227 238) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L227-2(lines 209 542) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L492(lines 492 495) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L427-1(lines 427 435) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L196(lines 196 548) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L163(lines 163 559) no Hoare annotation was computed. [2020-12-09 19:58:37,630 INFO L262 CegarLoopResult]: For program point L130(lines 130 570) no Hoare annotation was computed. [2020-12-09 19:58:37,631 INFO L258 CegarLoopResult]: At program point L197(lines 193 549) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8592))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse6 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse8 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (.cse15 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse17 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse18 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse19 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse21 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse22 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse23 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609))) (.cse26 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse2 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse26 .cse25) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse26))) [2020-12-09 19:58:37,631 INFO L258 CegarLoopResult]: At program point L164(lines 160 560) the Hoare annotation is: (let ((.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse14 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse5 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse11 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse14 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse14 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) [2020-12-09 19:58:37,631 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 608) no Hoare annotation was computed. [2020-12-09 19:58:37,631 INFO L262 CegarLoopResult]: For program point L430(lines 430 433) no Hoare annotation was computed. [2020-12-09 19:58:37,631 INFO L262 CegarLoopResult]: For program point L331(lines 331 369) no Hoare annotation was computed. [2020-12-09 19:58:37,631 INFO L262 CegarLoopResult]: For program point L199(lines 199 547) no Hoare annotation was computed. [2020-12-09 19:58:37,631 INFO L262 CegarLoopResult]: For program point L166(lines 166 558) no Hoare annotation was computed. [2020-12-09 19:58:37,631 INFO L262 CegarLoopResult]: For program point L133(lines 133 569) no Hoare annotation was computed. [2020-12-09 19:58:37,631 INFO L258 CegarLoopResult]: At program point L100-2(lines 100 598) the Hoare annotation is: (let ((.cse0 (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (let ((.cse2 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (.cse17 (not .cse22)) (.cse18 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse19 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse20 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse10 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse1 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not .cse0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse14 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse16 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse2) (and .cse4 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) .cse5 .cse1 .cse2) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse1 .cse13 .cse14 .cse15 .cse16) (and .cse6 .cse17 .cse8 .cse18 .cse10 .cse11 .cse12 .cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (and .cse6 .cse17 .cse8 .cse18 .cse10 .cse11 .cse12 .cse16 .cse7 .cse21 .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (and .cse6 .cse17 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse18 .cse10 .cse11 .cse12 .cse7 .cse21 .cse19 .cse9 .cse20 .cse13 .cse14 .cse15) (= ULTIMATE.start_ssl3_accept_~s__state~0 3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse12 .cse1 .cse16) (and .cse21 .cse3) (and .cse6 .cse4 .cse8 .cse10 .cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse5 (not (= 8577 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse16 .cse7 (not (= 8593 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8641)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8609)) .cse13 .cse14 .cse15) (and .cse22 .cse16)))) [2020-12-09 19:58:37,631 INFO L262 CegarLoopResult]: For program point L497-2(lines 209 542) no Hoare annotation was computed. [2020-12-09 19:58:37,632 INFO L258 CegarLoopResult]: At program point L398(lines 389 407) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14))) [2020-12-09 19:58:37,632 INFO L262 CegarLoopResult]: For program point L233(lines 233 236) no Hoare annotation was computed. [2020-12-09 19:58:37,632 INFO L258 CegarLoopResult]: At program point L167(lines 166 558) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse15 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse12 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse16 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) .cse15 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse15 (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse15 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse16))) [2020-12-09 19:58:37,632 INFO L258 CegarLoopResult]: At program point L134(lines 127 571) the Hoare annotation is: (let ((.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8512))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8528))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8529))) (.cse13 (not (= 8513 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse14 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~__cil_tmp56~0 ULTIMATE.start_ssl3_accept_~s__s3__tmp__new_cipher__algorithms~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (not (= ULTIMATE.start_ssl3_accept_~blastFlag~0 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14))) [2020-12-09 19:58:37,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:58:37 BoogieIcfgContainer [2020-12-09 19:58:37,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:58:37,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:58:37,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:58:37,683 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:58:37,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:49:50" (3/4) ... [2020-12-09 19:58:37,685 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 19:58:37,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2020-12-09 19:58:37,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 19:58:37,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 19:58:37,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 19:58:37,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df074a7f-640d-4b3f-bf46-31fb267865a0/bin/utaipan/witness.graphml [2020-12-09 19:58:37,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:58:37,786 INFO L168 Benchmark]: Toolchain (without parser) took 528802.35 ms. Allocated memory was 98.6 MB in the beginning and 6.7 GB in the end (delta: 6.6 GB). Free memory was 57.5 MB in the beginning and 3.5 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.2 GB. Max. memory is 16.1 GB. [2020-12-09 19:58:37,786 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 74.0 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:58:37,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.40 ms. Allocated memory is still 98.6 MB. Free memory was 57.4 MB in the beginning and 68.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:58:37,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.92 ms. Allocated memory is still 98.6 MB. Free memory was 68.6 MB in the beginning and 65.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:58:37,787 INFO L168 Benchmark]: Boogie Preprocessor took 26.60 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 63.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:58:37,787 INFO L168 Benchmark]: RCFGBuilder took 720.74 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 63.7 MB in the beginning and 96.8 MB in the end (delta: -33.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:58:37,788 INFO L168 Benchmark]: TraceAbstraction took 527617.86 ms. Allocated memory was 121.6 MB in the beginning and 6.7 GB in the end (delta: 6.6 GB). Free memory was 96.8 MB in the beginning and 3.5 GB in the end (delta: -3.4 GB). Peak memory consumption was 5.2 GB. Max. memory is 16.1 GB. [2020-12-09 19:58:37,788 INFO L168 Benchmark]: Witness Printer took 103.03 ms. Allocated memory is still 6.7 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 19:58:37,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 74.0 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 286.40 ms. Allocated memory is still 98.6 MB. Free memory was 57.4 MB in the beginning and 68.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.92 ms. Allocated memory is still 98.6 MB. Free memory was 68.6 MB in the beginning and 65.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.60 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 63.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 720.74 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 63.7 MB in the beginning and 96.8 MB in the end (delta: -33.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 527617.86 ms. Allocated memory was 121.6 MB in the beginning and 6.7 GB in the end (delta: 6.6 GB). Free memory was 96.8 MB in the beginning and 3.5 GB in the end (delta: -3.4 GB). Peak memory consumption was 5.2 GB. Max. memory is 16.1 GB. * Witness Printer took 103.03 ms. Allocated memory is still 6.7 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 608]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8640 == s__s3__tmp__next_state___0)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__hit == 0))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__hit == 0)) && !(blastFlag == 4)) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4)) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((!(s__state == 8592) && s__state <= 8672) && !(s__state == 8480)) && !(8560 == s__state)) && !(8640 == s__s3__tmp__next_state___0)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(blastFlag == 4)) || ((((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) && !(blastFlag == 4))) || (((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8480)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(s__state == 8481)) && 2 == blastFlag) || (((((!(s__state == 8480) && !(12292 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4))) || ((((s__state <= 8672 && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || ((((blastFlag <= 3 && !(s__state == 8480)) && !(12292 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (s__state == 8512 && 2 == blastFlag)) || (s__state <= 8448 && ((((!(8448 == s__state) && !(8640 == s__s3__tmp__next_state___0)) && s__hit == 0) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) || ((3 == s__s3__tmp__next_state___0 && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4)))) - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__state == 8512) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8640 == s__s3__tmp__next_state___0)) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8481)) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8608)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(blastFlag == 4)) && !(s__hit == 0)) || ((((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8608)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8608)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) || (s__state <= 8448 && (((blastFlag == 1 && !(8448 == s__state)) || (blastFlag == 0 && !(8448 == s__state))) || (!(8448 == s__state) && 2 == blastFlag)))) || (((((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__state == 8545)) && !(s__state == 8673)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(s__state == 8672)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) && !(blastFlag == 4)) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(8496 == s__state)) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && s__state < 8656) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__hit == 0)) || ((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8496 == s__state)) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && s__state < 8656) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && !(s__state == 8672)) && !(s__hit == 0)) && !(blastFlag == 4)) || ((blastFlag <= 3 && !(s__state == 8672)) && !(s__hit == 0))) || (!(s__state == 8673) && !(s__state == 8672)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((3 == s__s3__tmp__next_state___0 && 8448 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4)) || ((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && !(s__hit == 0)) && !(blastFlag == 4))) || ((((s__state <= 8672 && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (s__state == 8512 && 2 == blastFlag) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8608)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4)) || (((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8640 == s__s3__tmp__next_state___0)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8496 == s__state)) && !(8593 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8608)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8496 == s__state)) && !(8593 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8609)) && !(s__state == 8529)) && !(s__state == 8608)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8497 == s__state)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4))) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4)) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((((3 == s__s3__tmp__next_state___0 && 8448 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4)) || ((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && !(s__hit == 0)) && !(blastFlag == 4))) || ((((s__state <= 8672 && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (s__state == 8512 && 2 == blastFlag) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && 8448 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag)) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 3 == s__s3__tmp__next_state___0) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(blastFlag == 4))) || ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4)) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4)) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || ((((((((((((((!(s__state == 8512) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((3 == s__s3__tmp__next_state___0 && 8448 == s__state) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4)) || ((__cil_tmp56 == s__s3__tmp__new_cipher__algorithms && !(s__hit == 0)) && !(blastFlag == 4))) || ((((s__state <= 8672 && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4))) || (((((((((((!(s__state == 8545) && !(8576 == s__state)) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 2 == blastFlag) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && blastFlag == 1) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || s__state == 3) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8593 == s__state)) && !(s__state == 8641)) && !(8448 == s__state)) && !(s__state == 8609)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481))) || (s__state == 8512 && 2 == blastFlag) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && 8672 <= s__state) && !(8640 == s__s3__tmp__next_state___0)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(blastFlag == 4)) || (((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0))) || ((((((((((((((((((((((((((!(s__state == 8592) && !(s__state == 8480)) && !(8560 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8448 == s__state)) && !(s__state == 8528)) && !(12292 == s__state)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8608)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8640)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(s__state == 8641)) && !(s__state == 8609)) && !(s__hit == 0)) && !(blastFlag == 4)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8576 == s__state)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8512)) && !(s__state == 8480)) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8513 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8640 == s__s3__tmp__next_state___0)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && 2 == blastFlag) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) || ((((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && __cil_tmp56 == s__s3__tmp__new_cipher__algorithms) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) && !(blastFlag == 4))) || (((((((((((((((((((!(s__state == 8592) && !(s__state == 8545)) && !(s__state == 8512)) && !(s__state == 8480)) && s__state < 8640) && !(8560 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(8577 == s__state)) && !(8576 == s__state)) && !(8496 == s__state)) && !(8593 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8513 == s__state)) && !(s__state == 8481)) && !(s__hit == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 509.5s, OverallIterations: 36, TraceHistogramMax: 25, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4347 SDtfs, 5661 SDslu, 3887 SDs, 0 SdLazy, 5251 SolverSat, 1504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4909 GetRequests, 4816 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2688occurred in iteration=31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 36 MinimizatonAttempts, 6976 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 597 NumberOfFragments, 5606 HoareAnnotationTreeSize, 26 FomulaSimplifications, 502072 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 26 FomulaSimplificationsInter, 119763 FormulaSimplificationTreeSizeReductionInter, 14.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 9897 NumberOfCodeBlocks, 9617 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 12243 ConstructedInterpolants, 0 QuantifiedInterpolants, 8419327 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3673 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 50 InterpolantComputations, 34 PerfectInterpolantSequences, 51759/56206 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...