./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a02d09c3bd79dd383aa53724ac7940e13c97792 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:14:19,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:14:19,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:14:19,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:14:19,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:14:19,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:14:19,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:14:19,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:14:19,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:14:19,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:14:19,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:14:19,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:14:19,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:14:19,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:14:19,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:14:19,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:14:19,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:14:19,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:14:19,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:14:19,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:14:19,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:14:19,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:14:19,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:14:19,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:14:19,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:14:19,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:14:19,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:14:19,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:14:19,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:14:19,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:14:19,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:14:19,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:14:19,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:14:19,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:14:19,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:14:19,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:14:19,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:14:19,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:14:19,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:14:19,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:14:19,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:14:19,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:14:19,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:14:19,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:14:19,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:14:19,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:14:19,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:14:19,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:14:19,511 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:14:19,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:14:19,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:14:19,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:14:19,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:14:19,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:14:19,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:14:19,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:14:19,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:14:19,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:14:19,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:14:19,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:14:19,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:14:19,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:14:19,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:14:19,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:14:19,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a02d09c3bd79dd383aa53724ac7940e13c97792 [2021-08-29 03:14:19,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:14:19,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:14:19,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:14:19,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:14:19,802 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:14:19,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2021-08-29 03:14:19,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08636781e/e1cbb3060b5c4d0890ef580fec2ac0af/FLAG98e57bb64 [2021-08-29 03:14:20,261 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:14:20,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2021-08-29 03:14:20,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08636781e/e1cbb3060b5c4d0890ef580fec2ac0af/FLAG98e57bb64 [2021-08-29 03:14:20,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08636781e/e1cbb3060b5c4d0890ef580fec2ac0af [2021-08-29 03:14:20,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:14:20,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:14:20,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:14:20,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:14:20,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:14:20,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:20,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aed246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20, skipping insertion in model container [2021-08-29 03:14:20,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:20,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:14:20,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:14:20,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c[42370,42383] [2021-08-29 03:14:20,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:14:20,908 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:14:20,956 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c[42370,42383] [2021-08-29 03:14:20,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:14:20,970 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:14:20,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20 WrapperNode [2021-08-29 03:14:20,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:14:20,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:14:20,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:14:20,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:14:20,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:20,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:14:21,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:14:21,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:14:21,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:14:21,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:14:21,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:14:21,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:14:21,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:14:21,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (1/1) ... [2021-08-29 03:14:21,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:14:21,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:14:21,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 03:14:21,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 03:14:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:14:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:14:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:14:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:14:21,239 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:14:21,451 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-08-29 03:14:21,452 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-08-29 03:14:21,457 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:14:21,457 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-29 03:14:21,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:14:21 BoogieIcfgContainer [2021-08-29 03:14:21,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:14:21,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:14:21,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:14:21,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:14:21,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:14:20" (1/3) ... [2021-08-29 03:14:21,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e45e9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:14:21, skipping insertion in model container [2021-08-29 03:14:21,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:14:20" (2/3) ... [2021-08-29 03:14:21,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e45e9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:14:21, skipping insertion in model container [2021-08-29 03:14:21,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:14:21" (3/3) ... [2021-08-29 03:14:21,463 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2021-08-29 03:14:21,466 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:14:21,466 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:14:21,492 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:14:21,495 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 03:14:21,496 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:14:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-08-29 03:14:21,510 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:21,511 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:21,511 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:21,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:21,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2021-08-29 03:14:21,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:21,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161672582] [2021-08-29 03:14:21,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:21,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:14:21,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:21,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161672582] [2021-08-29 03:14:21,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161672582] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:21,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:21,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:21,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182720012] [2021-08-29 03:14:21,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:21,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:21,773 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:22,091 INFO L93 Difference]: Finished difference Result 328 states and 564 transitions. [2021-08-29 03:14:22,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:22,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-08-29 03:14:22,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:22,100 INFO L225 Difference]: With dead ends: 328 [2021-08-29 03:14:22,100 INFO L226 Difference]: Without dead ends: 175 [2021-08-29 03:14:22,102 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.22ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,104 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 170 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 211.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.97ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 274.25ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:22,104 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 0 Invalid, 358 Unknown, 0 Unchecked, 4.97ms Time], IncrementalHoareTripleChecker [56 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 274.25ms Time] [2021-08-29 03:14:22,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-08-29 03:14:22,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2021-08-29 03:14:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.6272189349112427) internal successors, (275), 169 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2021-08-29 03:14:22,139 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2021-08-29 03:14:22,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:22,140 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2021-08-29 03:14:22,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-08-29 03:14:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-08-29 03:14:22,142 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:22,142 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:22,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:14:22,142 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:22,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:22,143 INFO L82 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2021-08-29 03:14:22,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:22,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157660504] [2021-08-29 03:14:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:22,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:14:22,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:22,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157660504] [2021-08-29 03:14:22,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157660504] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:22,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:22,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:22,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189353621] [2021-08-29 03:14:22,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:22,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:22,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:22,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,184 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:22,406 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2021-08-29 03:14:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:22,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-08-29 03:14:22,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:22,408 INFO L225 Difference]: With dead ends: 380 [2021-08-29 03:14:22,408 INFO L226 Difference]: Without dead ends: 216 [2021-08-29 03:14:22,409 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,410 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 129 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 163.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.24ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 210.51ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:22,410 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 0 Invalid, 308 Unknown, 0 Unchecked, 1.24ms Time], IncrementalHoareTripleChecker [57 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 210.51ms Time] [2021-08-29 03:14:22,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-08-29 03:14:22,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2021-08-29 03:14:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.6761904761904762) internal successors, (352), 210 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2021-08-29 03:14:22,420 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2021-08-29 03:14:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:22,420 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2021-08-29 03:14:22,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2021-08-29 03:14:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-08-29 03:14:22,422 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:22,423 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:22,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 03:14:22,423 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:22,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:22,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1754997851, now seen corresponding path program 1 times [2021-08-29 03:14:22,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:22,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371838187] [2021-08-29 03:14:22,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:22,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:14:22,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:22,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371838187] [2021-08-29 03:14:22,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371838187] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:22,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:22,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:22,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459802716] [2021-08-29 03:14:22,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:22,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:22,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,476 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:22,696 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2021-08-29 03:14:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:22,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-08-29 03:14:22,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:22,698 INFO L225 Difference]: With dead ends: 445 [2021-08-29 03:14:22,698 INFO L226 Difference]: Without dead ends: 242 [2021-08-29 03:14:22,699 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,700 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 136 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 163.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.19ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 208.12ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:22,700 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 0 Invalid, 297 Unknown, 0 Unchecked, 1.19ms Time], IncrementalHoareTripleChecker [41 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 208.12ms Time] [2021-08-29 03:14:22,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-08-29 03:14:22,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-08-29 03:14:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.6929460580912863) internal successors, (408), 241 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2021-08-29 03:14:22,710 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2021-08-29 03:14:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:22,710 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2021-08-29 03:14:22,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2021-08-29 03:14:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-29 03:14:22,713 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:22,713 INFO L513 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, 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] [2021-08-29 03:14:22,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 03:14:22,713 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:22,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:22,714 INFO L82 PathProgramCache]: Analyzing trace with hash -479038981, now seen corresponding path program 1 times [2021-08-29 03:14:22,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:22,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953445883] [2021-08-29 03:14:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:22,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:14:22,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:22,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953445883] [2021-08-29 03:14:22,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953445883] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:22,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:22,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:22,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593326601] [2021-08-29 03:14:22,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:22,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:22,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:22,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,745 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:22,916 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2021-08-29 03:14:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:22,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-08-29 03:14:22,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:22,918 INFO L225 Difference]: With dead ends: 493 [2021-08-29 03:14:22,918 INFO L226 Difference]: Without dead ends: 259 [2021-08-29 03:14:22,918 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,919 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 158 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.76ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.45ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:22,920 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 0 Invalid, 261 Unknown, 0 Unchecked, 0.76ms Time], IncrementalHoareTripleChecker [29 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 160.45ms Time] [2021-08-29 03:14:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-08-29 03:14:22,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2021-08-29 03:14:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.68359375) internal successors, (431), 256 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2021-08-29 03:14:22,928 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2021-08-29 03:14:22,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:22,928 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2021-08-29 03:14:22,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2021-08-29 03:14:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-29 03:14:22,930 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:22,930 INFO L513 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, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:22,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 03:14:22,931 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:22,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:22,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1816808322, now seen corresponding path program 1 times [2021-08-29 03:14:22,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:22,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777943906] [2021-08-29 03:14:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:22,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:14:22,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:22,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777943906] [2021-08-29 03:14:22,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777943906] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:22,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:22,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:22,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95156375] [2021-08-29 03:14:22,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:22,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:22,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:22,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:22,964 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:23,162 INFO L93 Difference]: Finished difference Result 553 states and 933 transitions. [2021-08-29 03:14:23,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:23,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-08-29 03:14:23,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:23,163 INFO L225 Difference]: With dead ends: 553 [2021-08-29 03:14:23,163 INFO L226 Difference]: Without dead ends: 304 [2021-08-29 03:14:23,164 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,165 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 133 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 186.01ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:23,165 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 0 Invalid, 308 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [53 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 186.01ms Time] [2021-08-29 03:14:23,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-08-29 03:14:23,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 299. [2021-08-29 03:14:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6946308724832215) internal successors, (505), 298 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2021-08-29 03:14:23,172 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2021-08-29 03:14:23,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:23,173 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2021-08-29 03:14:23,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2021-08-29 03:14:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-29 03:14:23,174 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:23,174 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:23,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 03:14:23,175 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:23,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:23,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1697148062, now seen corresponding path program 1 times [2021-08-29 03:14:23,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:23,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672163352] [2021-08-29 03:14:23,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:23,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:14:23,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:23,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672163352] [2021-08-29 03:14:23,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672163352] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:23,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:23,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:23,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814193781] [2021-08-29 03:14:23,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:23,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:23,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,202 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:23,366 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2021-08-29 03:14:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:23,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-08-29 03:14:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:23,368 INFO L225 Difference]: With dead ends: 592 [2021-08-29 03:14:23,368 INFO L226 Difference]: Without dead ends: 301 [2021-08-29 03:14:23,369 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,369 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 157 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.95ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:23,370 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 0 Invalid, 251 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [31 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 153.95ms Time] [2021-08-29 03:14:23,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-08-29 03:14:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2021-08-29 03:14:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6812080536912752) internal successors, (501), 298 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2021-08-29 03:14:23,377 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2021-08-29 03:14:23,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:23,377 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2021-08-29 03:14:23,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2021-08-29 03:14:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-29 03:14:23,378 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:23,378 INFO L513 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:23,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 03:14:23,379 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:23,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:23,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1432172412, now seen corresponding path program 1 times [2021-08-29 03:14:23,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:23,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414127237] [2021-08-29 03:14:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:23,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:14:23,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:23,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414127237] [2021-08-29 03:14:23,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414127237] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:23,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:23,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:23,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621314991] [2021-08-29 03:14:23,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:23,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:23,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:23,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,407 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:23,608 INFO L93 Difference]: Finished difference Result 595 states and 997 transitions. [2021-08-29 03:14:23,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:23,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-08-29 03:14:23,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:23,610 INFO L225 Difference]: With dead ends: 595 [2021-08-29 03:14:23,610 INFO L226 Difference]: Without dead ends: 302 [2021-08-29 03:14:23,610 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,611 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 130 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 189.68ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:23,611 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 0 Invalid, 307 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [56 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 189.68ms Time] [2021-08-29 03:14:23,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-08-29 03:14:23,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2021-08-29 03:14:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.6756756756756757) internal successors, (496), 296 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2021-08-29 03:14:23,619 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2021-08-29 03:14:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:23,619 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2021-08-29 03:14:23,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2021-08-29 03:14:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-08-29 03:14:23,620 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:23,620 INFO L513 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:23,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 03:14:23,621 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:23,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:23,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1085183485, now seen corresponding path program 1 times [2021-08-29 03:14:23,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:23,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852015165] [2021-08-29 03:14:23,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:23,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-08-29 03:14:23,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:23,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852015165] [2021-08-29 03:14:23,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852015165] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:23,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:23,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:23,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376991075] [2021-08-29 03:14:23,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:23,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:23,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,643 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:23,801 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2021-08-29 03:14:23,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:23,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-08-29 03:14:23,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:23,803 INFO L225 Difference]: With dead ends: 595 [2021-08-29 03:14:23,803 INFO L226 Difference]: Without dead ends: 306 [2021-08-29 03:14:23,804 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,804 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 162 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.55ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 148.05ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:23,805 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 0 Invalid, 250 Unknown, 0 Unchecked, 0.55ms Time], IncrementalHoareTripleChecker [26 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 148.05ms Time] [2021-08-29 03:14:23,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-08-29 03:14:23,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-08-29 03:14:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.6459016393442623) internal successors, (502), 305 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2021-08-29 03:14:23,819 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2021-08-29 03:14:23,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:23,819 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2021-08-29 03:14:23,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2021-08-29 03:14:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-08-29 03:14:23,820 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:23,820 INFO L513 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, 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] [2021-08-29 03:14:23,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 03:14:23,821 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:23,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:23,821 INFO L82 PathProgramCache]: Analyzing trace with hash -860132162, now seen corresponding path program 1 times [2021-08-29 03:14:23,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:23,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137223165] [2021-08-29 03:14:23,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:23,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:14:23,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:23,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137223165] [2021-08-29 03:14:23,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137223165] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:23,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:23,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:23,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482922558] [2021-08-29 03:14:23,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:23,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:23,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:23,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:23,842 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:24,012 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2021-08-29 03:14:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:24,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-08-29 03:14:24,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:24,014 INFO L225 Difference]: With dead ends: 635 [2021-08-29 03:14:24,014 INFO L226 Difference]: Without dead ends: 337 [2021-08-29 03:14:24,014 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,015 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 141 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.55ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.51ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:24,015 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 0 Invalid, 278 Unknown, 0 Unchecked, 0.55ms Time], IncrementalHoareTripleChecker [41 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 159.51ms Time] [2021-08-29 03:14:24,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-08-29 03:14:24,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-08-29 03:14:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6437125748502994) internal successors, (549), 334 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2021-08-29 03:14:24,022 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2021-08-29 03:14:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:24,022 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2021-08-29 03:14:24,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2021-08-29 03:14:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-29 03:14:24,023 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:24,023 INFO L513 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, 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] [2021-08-29 03:14:24,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 03:14:24,024 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:24,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:24,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1120928325, now seen corresponding path program 1 times [2021-08-29 03:14:24,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:24,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131373983] [2021-08-29 03:14:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:24,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:14:24,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:24,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131373983] [2021-08-29 03:14:24,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131373983] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:24,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:24,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:24,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001922520] [2021-08-29 03:14:24,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:24,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:24,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:24,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,044 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:24,242 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2021-08-29 03:14:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:24,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-08-29 03:14:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:24,243 INFO L225 Difference]: With dead ends: 664 [2021-08-29 03:14:24,244 INFO L226 Difference]: Without dead ends: 337 [2021-08-29 03:14:24,244 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.29ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,245 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 140 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.72ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 183.60ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:24,245 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 0 Invalid, 280 Unknown, 0 Unchecked, 0.72ms Time], IncrementalHoareTripleChecker [45 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 183.60ms Time] [2021-08-29 03:14:24,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-08-29 03:14:24,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-08-29 03:14:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6317365269461077) internal successors, (545), 334 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2021-08-29 03:14:24,254 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2021-08-29 03:14:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:24,254 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2021-08-29 03:14:24,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2021-08-29 03:14:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-08-29 03:14:24,255 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:24,255 INFO L513 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:24,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 03:14:24,256 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:24,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:24,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1084775058, now seen corresponding path program 1 times [2021-08-29 03:14:24,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:24,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088141534] [2021-08-29 03:14:24,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:24,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:14:24,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:24,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088141534] [2021-08-29 03:14:24,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088141534] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:24,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:24,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:24,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725013922] [2021-08-29 03:14:24,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:24,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:24,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:24,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,281 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:24,462 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2021-08-29 03:14:24,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:24,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-08-29 03:14:24,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:24,464 INFO L225 Difference]: With dead ends: 697 [2021-08-29 03:14:24,464 INFO L226 Difference]: Without dead ends: 370 [2021-08-29 03:14:24,464 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,465 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 143 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 168.82ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:24,465 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 0 Invalid, 285 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [44 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 168.82ms Time] [2021-08-29 03:14:24,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-08-29 03:14:24,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-08-29 03:14:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.626038781163435) internal successors, (587), 361 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2021-08-29 03:14:24,472 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2021-08-29 03:14:24,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:24,472 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2021-08-29 03:14:24,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2021-08-29 03:14:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-08-29 03:14:24,474 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:24,474 INFO L513 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:24,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 03:14:24,474 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:24,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:24,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1691577195, now seen corresponding path program 1 times [2021-08-29 03:14:24,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:24,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227863976] [2021-08-29 03:14:24,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:24,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-29 03:14:24,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:24,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227863976] [2021-08-29 03:14:24,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227863976] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:24,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:24,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:24,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009623864] [2021-08-29 03:14:24,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:24,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:24,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:24,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,502 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:24,674 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2021-08-29 03:14:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:24,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-08-29 03:14:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:24,676 INFO L225 Difference]: With dead ends: 724 [2021-08-29 03:14:24,676 INFO L226 Difference]: Without dead ends: 370 [2021-08-29 03:14:24,677 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,677 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 142 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.85ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:24,677 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 0 Invalid, 287 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [46 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 161.85ms Time] [2021-08-29 03:14:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-08-29 03:14:24,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-08-29 03:14:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.6121883656509695) internal successors, (582), 361 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2021-08-29 03:14:24,685 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2021-08-29 03:14:24,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:24,685 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2021-08-29 03:14:24,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,686 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2021-08-29 03:14:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-08-29 03:14:24,686 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:24,687 INFO L513 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, 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] [2021-08-29 03:14:24,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 03:14:24,687 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:24,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:24,687 INFO L82 PathProgramCache]: Analyzing trace with hash -479008336, now seen corresponding path program 1 times [2021-08-29 03:14:24,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:24,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344870031] [2021-08-29 03:14:24,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:24,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-29 03:14:24,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:24,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344870031] [2021-08-29 03:14:24,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344870031] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:24,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:24,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:24,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829847209] [2021-08-29 03:14:24,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:24,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:24,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:24,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,706 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:24,871 INFO L93 Difference]: Finished difference Result 741 states and 1193 transitions. [2021-08-29 03:14:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:24,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-08-29 03:14:24,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:24,873 INFO L225 Difference]: With dead ends: 741 [2021-08-29 03:14:24,873 INFO L226 Difference]: Without dead ends: 387 [2021-08-29 03:14:24,873 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,874 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 149 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.57ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.32ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:24,874 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 0 Invalid, 266 Unknown, 0 Unchecked, 0.57ms Time], IncrementalHoareTripleChecker [36 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 154.32ms Time] [2021-08-29 03:14:24,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-08-29 03:14:24,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2021-08-29 03:14:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 382 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2021-08-29 03:14:24,893 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2021-08-29 03:14:24,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:24,893 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2021-08-29 03:14:24,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2021-08-29 03:14:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-08-29 03:14:24,894 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:24,895 INFO L513 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:24,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 03:14:24,895 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:24,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:24,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2118869193, now seen corresponding path program 1 times [2021-08-29 03:14:24,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:24,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472350298] [2021-08-29 03:14:24,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:24,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-29 03:14:24,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:24,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472350298] [2021-08-29 03:14:24,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472350298] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:24,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:24,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:24,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323000564] [2021-08-29 03:14:24,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:24,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:24,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:24,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:24,915 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:25,099 INFO L93 Difference]: Finished difference Result 762 states and 1216 transitions. [2021-08-29 03:14:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:25,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-08-29 03:14:25,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:25,101 INFO L225 Difference]: With dead ends: 762 [2021-08-29 03:14:25,101 INFO L226 Difference]: Without dead ends: 387 [2021-08-29 03:14:25,102 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:25,102 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.33ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:25,103 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 268 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [38 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 171.33ms Time] [2021-08-29 03:14:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-08-29 03:14:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2021-08-29 03:14:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5837696335078535) internal successors, (605), 382 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2021-08-29 03:14:25,111 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2021-08-29 03:14:25,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:25,111 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2021-08-29 03:14:25,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2021-08-29 03:14:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-29 03:14:25,113 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:25,113 INFO L513 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:25,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 03:14:25,113 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:25,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1932137040, now seen corresponding path program 1 times [2021-08-29 03:14:25,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:25,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969224800] [2021-08-29 03:14:25,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:25,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-08-29 03:14:25,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:25,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969224800] [2021-08-29 03:14:25,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969224800] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:25,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:25,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:25,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131051350] [2021-08-29 03:14:25,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:25,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:25,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:25,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:25,135 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:25,392 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2021-08-29 03:14:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:25,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-08-29 03:14:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:25,394 INFO L225 Difference]: With dead ends: 758 [2021-08-29 03:14:25,395 INFO L226 Difference]: Without dead ends: 756 [2021-08-29 03:14:25,395 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:25,395 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 177.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.80ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 237.16ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:25,395 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 383 Unknown, 0 Unchecked, 0.80ms Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 237.16ms Time] [2021-08-29 03:14:25,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2021-08-29 03:14:25,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2021-08-29 03:14:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 755 states have (on average 1.5841059602649006) internal successors, (1196), 755 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2021-08-29 03:14:25,410 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2021-08-29 03:14:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:25,411 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2021-08-29 03:14:25,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2021-08-29 03:14:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-08-29 03:14:25,412 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:25,412 INFO L513 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:25,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 03:14:25,413 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:25,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:25,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1552830339, now seen corresponding path program 1 times [2021-08-29 03:14:25,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:25,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558562649] [2021-08-29 03:14:25,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:25,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 03:14:25,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:25,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558562649] [2021-08-29 03:14:25,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558562649] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:25,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:25,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:25,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476809613] [2021-08-29 03:14:25,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:25,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:25,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:25,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:25,434 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:25,722 INFO L93 Difference]: Finished difference Result 1832 states and 2900 transitions. [2021-08-29 03:14:25,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:25,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-08-29 03:14:25,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:25,726 INFO L225 Difference]: With dead ends: 1832 [2021-08-29 03:14:25,726 INFO L226 Difference]: Without dead ends: 1084 [2021-08-29 03:14:25,727 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:25,727 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 134 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 206.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.16ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:25,727 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 0 Invalid, 559 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [2 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 265.16ms Time] [2021-08-29 03:14:25,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2021-08-29 03:14:25,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2021-08-29 03:14:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1083 states have (on average 1.5817174515235457) internal successors, (1713), 1083 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1713 transitions. [2021-08-29 03:14:25,758 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1713 transitions. Word has length 122 [2021-08-29 03:14:25,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:25,759 INFO L470 AbstractCegarLoop]: Abstraction has 1084 states and 1713 transitions. [2021-08-29 03:14:25,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1713 transitions. [2021-08-29 03:14:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-08-29 03:14:25,761 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:25,761 INFO L513 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:25,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 03:14:25,761 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:25,762 INFO L82 PathProgramCache]: Analyzing trace with hash 323652479, now seen corresponding path program 1 times [2021-08-29 03:14:25,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:25,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125837688] [2021-08-29 03:14:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:25,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-08-29 03:14:25,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:25,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125837688] [2021-08-29 03:14:25,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125837688] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:25,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:25,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:25,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360245684] [2021-08-29 03:14:25,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:25,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:25,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:25,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:25,779 INFO L87 Difference]: Start difference. First operand 1084 states and 1713 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:26,075 INFO L93 Difference]: Finished difference Result 2529 states and 4000 transitions. [2021-08-29 03:14:26,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:26,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-08-29 03:14:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:26,079 INFO L225 Difference]: With dead ends: 2529 [2021-08-29 03:14:26,079 INFO L226 Difference]: Without dead ends: 1453 [2021-08-29 03:14:26,081 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:26,081 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 155 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 207.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.04ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 266.29ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:26,081 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 0 Invalid, 564 Unknown, 0 Unchecked, 1.04ms Time], IncrementalHoareTripleChecker [3 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 266.29ms Time] [2021-08-29 03:14:26,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2021-08-29 03:14:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2021-08-29 03:14:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1452 states have (on average 1.5805785123966942) internal successors, (2295), 1452 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2295 transitions. [2021-08-29 03:14:26,126 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2295 transitions. Word has length 122 [2021-08-29 03:14:26,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:26,127 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 2295 transitions. [2021-08-29 03:14:26,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2295 transitions. [2021-08-29 03:14:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-08-29 03:14:26,129 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:26,129 INFO L513 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:26,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-29 03:14:26,129 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:26,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:26,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1712946493, now seen corresponding path program 1 times [2021-08-29 03:14:26,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:26,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799494077] [2021-08-29 03:14:26,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:26,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-08-29 03:14:26,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:26,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799494077] [2021-08-29 03:14:26,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799494077] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:26,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:26,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:26,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384959143] [2021-08-29 03:14:26,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:26,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:26,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:26,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:26,148 INFO L87 Difference]: Start difference. First operand 1453 states and 2295 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:26,416 INFO L93 Difference]: Finished difference Result 3249 states and 5133 transitions. [2021-08-29 03:14:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:26,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-08-29 03:14:26,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:26,421 INFO L225 Difference]: With dead ends: 3249 [2021-08-29 03:14:26,422 INFO L226 Difference]: Without dead ends: 1804 [2021-08-29 03:14:26,423 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:26,423 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 170 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 182.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.83ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 234.86ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:26,424 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 0 Invalid, 406 Unknown, 0 Unchecked, 0.83ms Time], IncrementalHoareTripleChecker [3 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 234.86ms Time] [2021-08-29 03:14:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2021-08-29 03:14:26,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1804. [2021-08-29 03:14:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.5784803105934553) internal successors, (2846), 1803 states have internal predecessors, (2846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2846 transitions. [2021-08-29 03:14:26,477 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2846 transitions. Word has length 122 [2021-08-29 03:14:26,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:26,477 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2846 transitions. [2021-08-29 03:14:26,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2846 transitions. [2021-08-29 03:14:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-08-29 03:14:26,480 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:26,481 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:26,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-29 03:14:26,481 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:26,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:26,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1532697181, now seen corresponding path program 1 times [2021-08-29 03:14:26,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:26,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328857809] [2021-08-29 03:14:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:26,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-08-29 03:14:26,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:26,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328857809] [2021-08-29 03:14:26,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328857809] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:26,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:26,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:26,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708980181] [2021-08-29 03:14:26,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:26,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:26,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:26,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:26,508 INFO L87 Difference]: Start difference. First operand 1804 states and 2846 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:26,767 INFO L93 Difference]: Finished difference Result 3650 states and 5740 transitions. [2021-08-29 03:14:26,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:26,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-08-29 03:14:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:26,772 INFO L225 Difference]: With dead ends: 3650 [2021-08-29 03:14:26,772 INFO L226 Difference]: Without dead ends: 1854 [2021-08-29 03:14:26,774 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.29ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:26,775 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 173.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.77ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 223.35ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:26,775 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 449 Unknown, 0 Unchecked, 0.77ms Time], IncrementalHoareTripleChecker [23 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 223.35ms Time] [2021-08-29 03:14:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2021-08-29 03:14:26,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1804. [2021-08-29 03:14:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.538546866333888) internal successors, (2774), 1803 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2774 transitions. [2021-08-29 03:14:26,810 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2774 transitions. Word has length 199 [2021-08-29 03:14:26,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:26,811 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2774 transitions. [2021-08-29 03:14:26,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2774 transitions. [2021-08-29 03:14:26,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-08-29 03:14:26,814 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:26,814 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:26,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-29 03:14:26,814 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:26,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:26,815 INFO L82 PathProgramCache]: Analyzing trace with hash -995291011, now seen corresponding path program 1 times [2021-08-29 03:14:26,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:26,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035142928] [2021-08-29 03:14:26,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:26,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-29 03:14:26,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:26,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035142928] [2021-08-29 03:14:26,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035142928] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:26,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:26,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:26,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182365255] [2021-08-29 03:14:26,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:26,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:26,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:26,850 INFO L87 Difference]: Start difference. First operand 1804 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:27,075 INFO L93 Difference]: Finished difference Result 3667 states and 5613 transitions. [2021-08-29 03:14:27,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:27,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 213 [2021-08-29 03:14:27,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:27,080 INFO L225 Difference]: With dead ends: 3667 [2021-08-29 03:14:27,080 INFO L226 Difference]: Without dead ends: 1871 [2021-08-29 03:14:27,082 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:27,082 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 152 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 147.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.63ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.99ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:27,083 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 0 Invalid, 322 Unknown, 0 Unchecked, 0.63ms Time], IncrementalHoareTripleChecker [56 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 190.99ms Time] [2021-08-29 03:14:27,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2021-08-29 03:14:27,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1804. [2021-08-29 03:14:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.4963948973932335) internal successors, (2698), 1803 states have internal predecessors, (2698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2698 transitions. [2021-08-29 03:14:27,117 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2698 transitions. Word has length 213 [2021-08-29 03:14:27,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:27,117 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2698 transitions. [2021-08-29 03:14:27,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2698 transitions. [2021-08-29 03:14:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-08-29 03:14:27,120 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:27,120 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:27,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-29 03:14:27,121 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:27,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:27,121 INFO L82 PathProgramCache]: Analyzing trace with hash -344869126, now seen corresponding path program 1 times [2021-08-29 03:14:27,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:27,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530719880] [2021-08-29 03:14:27,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:27,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-29 03:14:27,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:27,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530719880] [2021-08-29 03:14:27,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530719880] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:14:27,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713119334] [2021-08-29 03:14:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:27,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:14:27,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:14:27,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:14:27,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 03:14:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:27,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:14:27,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:14:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-29 03:14:27,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 03:14:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-29 03:14:27,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713119334] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 03:14:27,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 03:14:27,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-08-29 03:14:27,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842337577] [2021-08-29 03:14:27,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 03:14:27,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:27,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 03:14:27,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:14:27,928 INFO L87 Difference]: Start difference. First operand 1804 states and 2698 transitions. Second operand has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:28,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:28,426 INFO L93 Difference]: Finished difference Result 4265 states and 6329 transitions. [2021-08-29 03:14:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 03:14:28,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2021-08-29 03:14:28,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:28,434 INFO L225 Difference]: With dead ends: 4265 [2021-08-29 03:14:28,440 INFO L226 Difference]: Without dead ends: 2436 [2021-08-29 03:14:28,442 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.15ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-08-29 03:14:28,457 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 602 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 328.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.79ms SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 434.91ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:28,457 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [602 Valid, 0 Invalid, 751 Unknown, 0 Unchecked, 2.79ms Time], IncrementalHoareTripleChecker [96 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 434.91ms Time] [2021-08-29 03:14:28,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2021-08-29 03:14:28,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1604. [2021-08-29 03:14:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1603 states have (on average 1.4734872114784778) internal successors, (2362), 1603 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2362 transitions. [2021-08-29 03:14:28,513 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2362 transitions. Word has length 232 [2021-08-29 03:14:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:28,513 INFO L470 AbstractCegarLoop]: Abstraction has 1604 states and 2362 transitions. [2021-08-29 03:14:28,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2362 transitions. [2021-08-29 03:14:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-08-29 03:14:28,516 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:28,517 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:28,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 03:14:28,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-08-29 03:14:28,734 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:28,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:28,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1731638989, now seen corresponding path program 1 times [2021-08-29 03:14:28,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:28,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201709786] [2021-08-29 03:14:28,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:28,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-08-29 03:14:28,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:28,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201709786] [2021-08-29 03:14:28,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201709786] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:28,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:28,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:28,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29376085] [2021-08-29 03:14:28,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:28,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:28,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:28,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:28,767 INFO L87 Difference]: Start difference. First operand 1604 states and 2362 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:29,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:29,005 INFO L93 Difference]: Finished difference Result 3395 states and 5017 transitions. [2021-08-29 03:14:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:29,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2021-08-29 03:14:29,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:29,010 INFO L225 Difference]: With dead ends: 3395 [2021-08-29 03:14:29,010 INFO L226 Difference]: Without dead ends: 1679 [2021-08-29 03:14:29,011 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:29,012 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 150.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 193.14ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:29,012 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 406 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [23 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 193.14ms Time] [2021-08-29 03:14:29,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2021-08-29 03:14:29,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1679. [2021-08-29 03:14:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 1678 states have (on average 1.4463647199046483) internal successors, (2427), 1678 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2427 transitions. [2021-08-29 03:14:29,052 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2427 transitions. Word has length 241 [2021-08-29 03:14:29,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:29,053 INFO L470 AbstractCegarLoop]: Abstraction has 1679 states and 2427 transitions. [2021-08-29 03:14:29,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:29,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2427 transitions. [2021-08-29 03:14:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-08-29 03:14:29,056 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:29,056 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-08-29 03:14:29,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-29 03:14:29,057 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:29,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:29,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1272517136, now seen corresponding path program 1 times [2021-08-29 03:14:29,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:29,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229947750] [2021-08-29 03:14:29,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:29,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-08-29 03:14:29,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:29,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229947750] [2021-08-29 03:14:29,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229947750] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:14:29,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296851518] [2021-08-29 03:14:29,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:29,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:14:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:14:29,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:14:29,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 03:14:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:29,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:14:29,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:14:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-08-29 03:14:29,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 03:14:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-08-29 03:14:29,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296851518] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 03:14:29,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 03:14:29,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-08-29 03:14:29,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954552128] [2021-08-29 03:14:29,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 03:14:29,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:29,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 03:14:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:14:29,929 INFO L87 Difference]: Start difference. First operand 1679 states and 2427 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:30,909 INFO L93 Difference]: Finished difference Result 7700 states and 11256 transitions. [2021-08-29 03:14:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-29 03:14:30,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-08-29 03:14:30,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:30,924 INFO L225 Difference]: With dead ends: 7700 [2021-08-29 03:14:30,925 INFO L226 Difference]: Without dead ends: 6029 [2021-08-29 03:14:30,928 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 23.63ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-08-29 03:14:30,929 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 435 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 690.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.82ms SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 872.76ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:30,929 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 0 Invalid, 2261 Unknown, 0 Unchecked, 4.82ms Time], IncrementalHoareTripleChecker [61 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 872.76ms Time] [2021-08-29 03:14:30,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6029 states. [2021-08-29 03:14:30,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6029 to 2357. [2021-08-29 03:14:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2357 states, 2356 states have (on average 1.3264006791171477) internal successors, (3125), 2356 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:30,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2357 states and 3125 transitions. [2021-08-29 03:14:30,993 INFO L78 Accepts]: Start accepts. Automaton has 2357 states and 3125 transitions. Word has length 253 [2021-08-29 03:14:30,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:30,994 INFO L470 AbstractCegarLoop]: Abstraction has 2357 states and 3125 transitions. [2021-08-29 03:14:30,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 3125 transitions. [2021-08-29 03:14:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-08-29 03:14:30,998 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:30,999 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-08-29 03:14:31,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 03:14:31,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-08-29 03:14:31,216 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:31,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:31,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1561336526, now seen corresponding path program 1 times [2021-08-29 03:14:31,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:31,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102767245] [2021-08-29 03:14:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:31,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-08-29 03:14:31,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:31,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102767245] [2021-08-29 03:14:31,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102767245] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:31,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:31,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:31,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415927056] [2021-08-29 03:14:31,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:31,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:31,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:31,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:31,245 INFO L87 Difference]: Start difference. First operand 2357 states and 3125 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:31,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:31,544 INFO L93 Difference]: Finished difference Result 6533 states and 8656 transitions. [2021-08-29 03:14:31,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:31,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-08-29 03:14:31,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:31,570 INFO L225 Difference]: With dead ends: 6533 [2021-08-29 03:14:31,570 INFO L226 Difference]: Without dead ends: 4184 [2021-08-29 03:14:31,572 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.10ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:31,573 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 120 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 192.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.97ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 248.27ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:31,573 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 0 Invalid, 525 Unknown, 0 Unchecked, 0.97ms Time], IncrementalHoareTripleChecker [4 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 248.27ms Time] [2021-08-29 03:14:31,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4184 states. [2021-08-29 03:14:31,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4184 to 4182. [2021-08-29 03:14:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4182 states, 4181 states have (on average 1.3226500837120305) internal successors, (5530), 4181 states have internal predecessors, (5530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 5530 transitions. [2021-08-29 03:14:31,639 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 5530 transitions. Word has length 253 [2021-08-29 03:14:31,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:31,639 INFO L470 AbstractCegarLoop]: Abstraction has 4182 states and 5530 transitions. [2021-08-29 03:14:31,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 5530 transitions. [2021-08-29 03:14:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-08-29 03:14:31,645 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:31,645 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:31,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-29 03:14:31,645 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:31,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:31,646 INFO L82 PathProgramCache]: Analyzing trace with hash -914284920, now seen corresponding path program 1 times [2021-08-29 03:14:31,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:31,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833115478] [2021-08-29 03:14:31,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:31,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-08-29 03:14:31,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:31,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833115478] [2021-08-29 03:14:31,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833115478] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:31,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:31,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:31,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075906073] [2021-08-29 03:14:31,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:31,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:31,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:31,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:31,678 INFO L87 Difference]: Start difference. First operand 4182 states and 5530 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:31,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:31,922 INFO L93 Difference]: Finished difference Result 8584 states and 11356 transitions. [2021-08-29 03:14:31,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:31,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 256 [2021-08-29 03:14:31,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:31,928 INFO L225 Difference]: With dead ends: 8584 [2021-08-29 03:14:31,928 INFO L226 Difference]: Without dead ends: 4410 [2021-08-29 03:14:31,931 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:31,931 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 137 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.34ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:31,932 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 0 Invalid, 305 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [45 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 165.34ms Time] [2021-08-29 03:14:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-08-29 03:14:31,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 4182. [2021-08-29 03:14:31,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4182 states, 4181 states have (on average 1.3054293231284382) internal successors, (5458), 4181 states have internal predecessors, (5458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 5458 transitions. [2021-08-29 03:14:31,996 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 5458 transitions. Word has length 256 [2021-08-29 03:14:31,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:31,996 INFO L470 AbstractCegarLoop]: Abstraction has 4182 states and 5458 transitions. [2021-08-29 03:14:31,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 5458 transitions. [2021-08-29 03:14:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-08-29 03:14:32,001 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:32,002 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:32,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-29 03:14:32,002 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:32,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:32,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1357789354, now seen corresponding path program 1 times [2021-08-29 03:14:32,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:32,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091555996] [2021-08-29 03:14:32,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:32,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-08-29 03:14:32,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:32,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091555996] [2021-08-29 03:14:32,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091555996] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:32,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:32,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:32,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903186759] [2021-08-29 03:14:32,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:32,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:32,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:32,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:32,024 INFO L87 Difference]: Start difference. First operand 4182 states and 5458 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:32,251 INFO L93 Difference]: Finished difference Result 8488 states and 11070 transitions. [2021-08-29 03:14:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:32,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 290 [2021-08-29 03:14:32,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:32,257 INFO L225 Difference]: With dead ends: 8488 [2021-08-29 03:14:32,257 INFO L226 Difference]: Without dead ends: 4314 [2021-08-29 03:14:32,260 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:32,260 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 168.42ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:32,262 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 405 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [2 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 168.42ms Time] [2021-08-29 03:14:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2021-08-29 03:14:32,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4274. [2021-08-29 03:14:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4274 states, 4273 states have (on average 1.303533816990405) internal successors, (5570), 4273 states have internal predecessors, (5570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 5570 transitions. [2021-08-29 03:14:32,324 INFO L78 Accepts]: Start accepts. Automaton has 4274 states and 5570 transitions. Word has length 290 [2021-08-29 03:14:32,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:32,324 INFO L470 AbstractCegarLoop]: Abstraction has 4274 states and 5570 transitions. [2021-08-29 03:14:32,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4274 states and 5570 transitions. [2021-08-29 03:14:32,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-08-29 03:14:32,330 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:32,330 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:32,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-29 03:14:32,330 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:32,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:32,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1702375352, now seen corresponding path program 1 times [2021-08-29 03:14:32,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:32,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444604345] [2021-08-29 03:14:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:32,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2021-08-29 03:14:32,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:32,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444604345] [2021-08-29 03:14:32,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444604345] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:32,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:32,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:32,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979472483] [2021-08-29 03:14:32,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:32,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:32,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:32,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:32,356 INFO L87 Difference]: Start difference. First operand 4274 states and 5570 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:32,583 INFO L93 Difference]: Finished difference Result 8920 states and 11668 transitions. [2021-08-29 03:14:32,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:32,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 311 [2021-08-29 03:14:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:32,588 INFO L225 Difference]: With dead ends: 8920 [2021-08-29 03:14:32,588 INFO L226 Difference]: Without dead ends: 4654 [2021-08-29 03:14:32,591 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.09ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:32,592 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 148.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.63ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176.52ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:32,592 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 0 Invalid, 408 Unknown, 0 Unchecked, 0.63ms Time], IncrementalHoareTripleChecker [4 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 176.52ms Time] [2021-08-29 03:14:32,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4654 states. [2021-08-29 03:14:32,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 4524. [2021-08-29 03:14:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4524 states, 4523 states have (on average 1.2978111872650895) internal successors, (5870), 4523 states have internal predecessors, (5870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 5870 transitions. [2021-08-29 03:14:32,655 INFO L78 Accepts]: Start accepts. Automaton has 4524 states and 5870 transitions. Word has length 311 [2021-08-29 03:14:32,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:32,655 INFO L470 AbstractCegarLoop]: Abstraction has 4524 states and 5870 transitions. [2021-08-29 03:14:32,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4524 states and 5870 transitions. [2021-08-29 03:14:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-08-29 03:14:32,661 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:32,661 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:32,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-29 03:14:32,661 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:32,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:32,662 INFO L82 PathProgramCache]: Analyzing trace with hash 602793911, now seen corresponding path program 1 times [2021-08-29 03:14:32,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:32,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477870724] [2021-08-29 03:14:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:32,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-08-29 03:14:32,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:32,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477870724] [2021-08-29 03:14:32,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477870724] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:32,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:32,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:32,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124172777] [2021-08-29 03:14:32,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:32,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:32,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:32,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:32,698 INFO L87 Difference]: Start difference. First operand 4524 states and 5870 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:32,897 INFO L93 Difference]: Finished difference Result 7636 states and 9843 transitions. [2021-08-29 03:14:32,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:32,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 321 [2021-08-29 03:14:32,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:32,900 INFO L225 Difference]: With dead ends: 7636 [2021-08-29 03:14:32,900 INFO L226 Difference]: Without dead ends: 2476 [2021-08-29 03:14:32,904 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.09ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:32,904 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.05ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:32,904 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 384 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [3 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 160.05ms Time] [2021-08-29 03:14:32,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2021-08-29 03:14:32,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 2476. [2021-08-29 03:14:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 2475 states have (on average 1.2852525252525253) internal successors, (3181), 2475 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3181 transitions. [2021-08-29 03:14:32,938 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3181 transitions. Word has length 321 [2021-08-29 03:14:32,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:32,938 INFO L470 AbstractCegarLoop]: Abstraction has 2476 states and 3181 transitions. [2021-08-29 03:14:32,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3181 transitions. [2021-08-29 03:14:32,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-08-29 03:14:32,941 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:32,942 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1] [2021-08-29 03:14:32,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-29 03:14:32,942 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:32,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:32,942 INFO L82 PathProgramCache]: Analyzing trace with hash -616309997, now seen corresponding path program 1 times [2021-08-29 03:14:32,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:32,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824262872] [2021-08-29 03:14:32,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:32,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2021-08-29 03:14:32,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:32,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824262872] [2021-08-29 03:14:32,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824262872] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:32,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:32,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:32,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482344263] [2021-08-29 03:14:32,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:32,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:32,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:32,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:32,979 INFO L87 Difference]: Start difference. First operand 2476 states and 3181 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:33,137 INFO L93 Difference]: Finished difference Result 4984 states and 6415 transitions. [2021-08-29 03:14:33,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:33,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 337 [2021-08-29 03:14:33,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:33,151 INFO L225 Difference]: With dead ends: 4984 [2021-08-29 03:14:33,152 INFO L226 Difference]: Without dead ends: 2516 [2021-08-29 03:14:33,154 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:33,158 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.58ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:33,158 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 403 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [6 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 128.58ms Time] [2021-08-29 03:14:33,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2021-08-29 03:14:33,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2476. [2021-08-29 03:14:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 2475 states have (on average 1.2751515151515151) internal successors, (3156), 2475 states have internal predecessors, (3156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3156 transitions. [2021-08-29 03:14:33,207 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3156 transitions. Word has length 337 [2021-08-29 03:14:33,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:33,207 INFO L470 AbstractCegarLoop]: Abstraction has 2476 states and 3156 transitions. [2021-08-29 03:14:33,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3156 transitions. [2021-08-29 03:14:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-08-29 03:14:33,211 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:33,211 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1] [2021-08-29 03:14:33,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-29 03:14:33,211 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:33,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:33,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1063549815, now seen corresponding path program 1 times [2021-08-29 03:14:33,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:33,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846992605] [2021-08-29 03:14:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:33,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-08-29 03:14:33,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:33,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846992605] [2021-08-29 03:14:33,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846992605] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:33,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:33,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:33,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649334261] [2021-08-29 03:14:33,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:33,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:33,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:33,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:33,241 INFO L87 Difference]: Start difference. First operand 2476 states and 3156 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:33,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:33,419 INFO L93 Difference]: Finished difference Result 4954 states and 6310 transitions. [2021-08-29 03:14:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:33,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 360 [2021-08-29 03:14:33,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:33,422 INFO L225 Difference]: With dead ends: 4954 [2021-08-29 03:14:33,422 INFO L226 Difference]: Without dead ends: 2486 [2021-08-29 03:14:33,423 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:33,424 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.71ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.73ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:33,424 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 405 Unknown, 0 Unchecked, 0.71ms Time], IncrementalHoareTripleChecker [8 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 149.73ms Time] [2021-08-29 03:14:33,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2021-08-29 03:14:33,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2476. [2021-08-29 03:14:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 2475 states have (on average 1.265050505050505) internal successors, (3131), 2475 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3131 transitions. [2021-08-29 03:14:33,456 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3131 transitions. Word has length 360 [2021-08-29 03:14:33,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:33,456 INFO L470 AbstractCegarLoop]: Abstraction has 2476 states and 3131 transitions. [2021-08-29 03:14:33,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3131 transitions. [2021-08-29 03:14:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-08-29 03:14:33,459 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:33,459 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:33,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-29 03:14:33,459 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:33,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:33,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2107174257, now seen corresponding path program 1 times [2021-08-29 03:14:33,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:33,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416935795] [2021-08-29 03:14:33,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:33,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-08-29 03:14:33,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:33,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416935795] [2021-08-29 03:14:33,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416935795] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:14:33,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648110128] [2021-08-29 03:14:33,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:33,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:14:33,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:14:33,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:14:33,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-29 03:14:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:33,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:14:33,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:14:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2021-08-29 03:14:34,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:14:34,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648110128] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:34,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:14:34,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-29 03:14:34,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876280085] [2021-08-29 03:14:34,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:34,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:34,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:34,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:14:34,122 INFO L87 Difference]: Start difference. First operand 2476 states and 3131 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:34,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:34,390 INFO L93 Difference]: Finished difference Result 3068 states and 3887 transitions. [2021-08-29 03:14:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:34,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2021-08-29 03:14:34,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:34,394 INFO L225 Difference]: With dead ends: 3068 [2021-08-29 03:14:34,394 INFO L226 Difference]: Without dead ends: 2930 [2021-08-29 03:14:34,395 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.35ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:14:34,395 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 91 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 194.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.49ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 234.82ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:34,396 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 0 Invalid, 452 Unknown, 0 Unchecked, 0.49ms Time], IncrementalHoareTripleChecker [1 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 234.82ms Time] [2021-08-29 03:14:34,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2021-08-29 03:14:34,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2340. [2021-08-29 03:14:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2340 states, 2339 states have (on average 1.2727661393758016) internal successors, (2977), 2339 states have internal predecessors, (2977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 2340 states and 2977 transitions. [2021-08-29 03:14:34,431 INFO L78 Accepts]: Start accepts. Automaton has 2340 states and 2977 transitions. Word has length 393 [2021-08-29 03:14:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:34,431 INFO L470 AbstractCegarLoop]: Abstraction has 2340 states and 2977 transitions. [2021-08-29 03:14:34,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2977 transitions. [2021-08-29 03:14:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-08-29 03:14:34,434 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:34,434 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:34,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-29 03:14:34,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:14:34,651 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:34,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:34,651 INFO L82 PathProgramCache]: Analyzing trace with hash 2021892229, now seen corresponding path program 1 times [2021-08-29 03:14:34,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:34,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93817786] [2021-08-29 03:14:34,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:34,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-08-29 03:14:34,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:34,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93817786] [2021-08-29 03:14:34,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93817786] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:14:34,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521678333] [2021-08-29 03:14:34,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:34,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:14:34,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:14:34,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:14:34,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-29 03:14:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:34,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:14:34,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:14:35,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-08-29 03:14:35,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 03:14:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-08-29 03:14:36,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521678333] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 03:14:36,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 03:14:36,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-08-29 03:14:36,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372065056] [2021-08-29 03:14:36,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 03:14:36,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:36,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 03:14:36,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:14:36,104 INFO L87 Difference]: Start difference. First operand 2340 states and 2977 transitions. Second operand has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:36,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:36,578 INFO L93 Difference]: Finished difference Result 5609 states and 7139 transitions. [2021-08-29 03:14:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 03:14:36,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 409 [2021-08-29 03:14:36,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:36,583 INFO L225 Difference]: With dead ends: 5609 [2021-08-29 03:14:36,583 INFO L226 Difference]: Without dead ends: 3228 [2021-08-29 03:14:36,585 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 818 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.27ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-08-29 03:14:36,585 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 300 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 329.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.23ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 417.27ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:36,585 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 0 Invalid, 940 Unknown, 0 Unchecked, 2.23ms Time], IncrementalHoareTripleChecker [36 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 417.27ms Time] [2021-08-29 03:14:36,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2021-08-29 03:14:36,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 2400. [2021-08-29 03:14:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2399 states have (on average 1.2721967486452688) internal successors, (3052), 2399 states have internal predecessors, (3052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 3052 transitions. [2021-08-29 03:14:36,635 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 3052 transitions. Word has length 409 [2021-08-29 03:14:36,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:36,635 INFO L470 AbstractCegarLoop]: Abstraction has 2400 states and 3052 transitions. [2021-08-29 03:14:36,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 3052 transitions. [2021-08-29 03:14:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-08-29 03:14:36,639 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:36,639 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:36,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-29 03:14:36,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:14:36,854 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:36,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:36,854 INFO L82 PathProgramCache]: Analyzing trace with hash -50523035, now seen corresponding path program 1 times [2021-08-29 03:14:36,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:36,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437238128] [2021-08-29 03:14:36,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:36,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3128 backedges. 1661 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2021-08-29 03:14:36,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:36,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437238128] [2021-08-29 03:14:36,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437238128] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:14:36,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:14:36,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:14:36,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912568733] [2021-08-29 03:14:36,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:14:36,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:36,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:14:36,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:36,908 INFO L87 Difference]: Start difference. First operand 2400 states and 3052 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:37,118 INFO L93 Difference]: Finished difference Result 4972 states and 6332 transitions. [2021-08-29 03:14:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:14:37,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 537 [2021-08-29 03:14:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:37,121 INFO L225 Difference]: With dead ends: 4972 [2021-08-29 03:14:37,121 INFO L226 Difference]: Without dead ends: 2580 [2021-08-29 03:14:37,123 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.12ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:14:37,123 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 177.59ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:37,124 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 408 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [8 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 177.59ms Time] [2021-08-29 03:14:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2021-08-29 03:14:37,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2570. [2021-08-29 03:14:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2569 states have (on average 1.26391592059167) internal successors, (3247), 2569 states have internal predecessors, (3247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 3247 transitions. [2021-08-29 03:14:37,160 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 3247 transitions. Word has length 537 [2021-08-29 03:14:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:37,160 INFO L470 AbstractCegarLoop]: Abstraction has 2570 states and 3247 transitions. [2021-08-29 03:14:37,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3247 transitions. [2021-08-29 03:14:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-08-29 03:14:37,164 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:14:37,164 INFO L513 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:14:37,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-08-29 03:14:37,165 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:14:37,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:14:37,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1600887189, now seen corresponding path program 1 times [2021-08-29 03:14:37,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:14:37,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915802595] [2021-08-29 03:14:37,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:37,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:14:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-08-29 03:14:37,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:14:37,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915802595] [2021-08-29 03:14:37,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915802595] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:14:37,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473075985] [2021-08-29 03:14:37,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:14:37,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:14:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:14:37,281 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 03:14:37,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-29 03:14:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:14:37,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:14:37,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:14:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-08-29 03:14:38,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 03:14:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-08-29 03:14:38,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473075985] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 03:14:38,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 03:14:38,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-08-29 03:14:38,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001321876] [2021-08-29 03:14:38,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 03:14:38,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:14:38,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 03:14:38,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:14:38,720 INFO L87 Difference]: Start difference. First operand 2570 states and 3247 transitions. Second operand has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:14:39,109 INFO L93 Difference]: Finished difference Result 4135 states and 5221 transitions. [2021-08-29 03:14:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 03:14:39,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 599 [2021-08-29 03:14:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:14:39,110 INFO L225 Difference]: With dead ends: 4135 [2021-08-29 03:14:39,110 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 03:14:39,113 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1204 GetRequests, 1198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.90ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-08-29 03:14:39,113 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 98 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 231.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.33ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 349.42ms IncrementalHoareTripleChecker+Time [2021-08-29 03:14:39,114 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 0 Invalid, 881 Unknown, 0 Unchecked, 1.33ms Time], IncrementalHoareTripleChecker [43 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 349.42ms Time] [2021-08-29 03:14:39,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 03:14:39,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 03:14:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 03:14:39,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2021-08-29 03:14:39,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:14:39,115 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 03:14:39,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:14:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 03:14:39,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 03:14:39,117 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:14:39,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-29 03:14:39,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-08-29 03:14:39,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 03:14:39,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:39,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:40,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:14:45,933 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 537) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L531-1(lines 531 537) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 368) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L334-1(lines 334 368) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 547) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 558) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 569) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 580) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2021-08-29 03:14:45,934 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-08-29 03:14:45,935 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 365) no Hoare annotation was computed. [2021-08-29 03:14:45,935 INFO L854 garLoopResultBuilder]: At program point L203(lines 199 548) the Hoare annotation is: (let ((.cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse2 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2021-08-29 03:14:45,935 INFO L854 garLoopResultBuilder]: At program point L104(lines 103 580) the Hoare annotation is: false [2021-08-29 03:14:45,935 INFO L861 garLoopResultBuilder]: At program point L600(lines 99 601) the Hoare annotation is: true [2021-08-29 03:14:45,935 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 536) no Hoare annotation was computed. [2021-08-29 03:14:45,935 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 546) no Hoare annotation was computed. [2021-08-29 03:14:45,935 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 557) no Hoare annotation was computed. [2021-08-29 03:14:45,935 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 568) no Hoare annotation was computed. [2021-08-29 03:14:45,936 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 579) no Hoare annotation was computed. [2021-08-29 03:14:45,936 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2021-08-29 03:14:45,936 INFO L858 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2021-08-29 03:14:45,936 INFO L854 garLoopResultBuilder]: At program point L206(lines 205 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-08-29 03:14:45,936 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 558) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse6) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6))) [2021-08-29 03:14:45,936 INFO L854 garLoopResultBuilder]: At program point L140(lines 136 569) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse6 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse4 .cse5 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse4 .cse5 .cse9 .cse6 .cse7 .cse8))) [2021-08-29 03:14:45,936 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 363) no Hoare annotation was computed. [2021-08-29 03:14:45,937 INFO L854 garLoopResultBuilder]: At program point L208(lines 207 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-08-29 03:14:45,937 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 556) no Hoare annotation was computed. [2021-08-29 03:14:45,937 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 567) no Hoare annotation was computed. [2021-08-29 03:14:45,937 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 578) no Hoare annotation was computed. [2021-08-29 03:14:45,937 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 607) no Hoare annotation was computed. [2021-08-29 03:14:45,937 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 607) no Hoare annotation was computed. [2021-08-29 03:14:45,937 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 509) no Hoare annotation was computed. [2021-08-29 03:14:45,937 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L275-2(lines 209 543) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 443) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 311) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 254) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 555) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 566) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 577) no Hoare annotation was computed. [2021-08-29 03:14:45,938 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 478) no Hoare annotation was computed. [2021-08-29 03:14:45,939 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 409) no Hoare annotation was computed. [2021-08-29 03:14:45,939 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 248) no Hoare annotation was computed. [2021-08-29 03:14:45,939 INFO L854 garLoopResultBuilder]: At program point L212(lines 106 579) the Hoare annotation is: false [2021-08-29 03:14:45,939 INFO L854 garLoopResultBuilder]: At program point L179(lines 175 556) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse6) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6))) [2021-08-29 03:14:45,939 INFO L854 garLoopResultBuilder]: At program point L146(lines 142 567) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6))) [2021-08-29 03:14:45,939 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 453) no Hoare annotation was computed. [2021-08-29 03:14:45,939 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 384) no Hoare annotation was computed. [2021-08-29 03:14:45,939 INFO L861 garLoopResultBuilder]: At program point L610(lines 12 612) the Hoare annotation is: true [2021-08-29 03:14:45,940 INFO L854 garLoopResultBuilder]: At program point L544(lines 100 599) the Hoare annotation is: (let ((.cse12 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse25 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse24 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse11 (not .cse24)) (.cse14 (not .cse25)) (.cse23 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse13 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse17 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (< 8496 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse30 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse9 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse26 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse27 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse28 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse29 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse4 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse19 (not .cse12)) (.cse16 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse8) (and .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse13 .cse18 .cse19 .cse3) (and .cse9 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse18 .cse8) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse12 .cse5 .cse20 .cse21) (and .cse22 .cse13 .cse6 .cse17 .cse7) (and .cse9 .cse10 .cse0 .cse15 .cse17 .cse23) (and .cse24 .cse12 .cse16) (and .cse22 .cse0 .cse13 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse6 .cse16 .cse17) (and .cse9 .cse10 .cse15 .cse17 .cse7 .cse23) (and .cse12 .cse16 .cse25) (and .cse9 .cse26 .cse10 .cse27 .cse12 .cse15 .cse6 .cse16 .cse28 .cse29 .cse20) (and .cse0 .cse8) (and .cse22 .cse0 .cse6 .cse20 .cse21) (and .cse12 .cse1 .cse2 .cse3 .cse7) (and .cse13 .cse3 .cse7) (and .cse30 .cse1 .cse2 .cse19 .cse3 .cse16) (and .cse18 .cse19 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse20 .cse21) (and .cse22 .cse6 .cse20 .cse7 .cse21) (and .cse22 .cse12 .cse13 .cse6 .cse16 .cse17) (and .cse22 .cse12 .cse6 .cse16 .cse20 .cse21) (and .cse9 .cse26 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 .cse27 .cse0 .cse15 .cse28 .cse29 .cse20) (and .cse30 .cse1 .cse2 .cse3 .cse6 .cse16) (and .cse9 .cse26 .cse10 .cse27 .cse15 .cse28 .cse29 .cse20 .cse7) (and .cse4 .cse5 .cse1 .cse19) (and .cse16 .cse8)))) [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 554) no Hoare annotation was computed. [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 565) no Hoare annotation was computed. [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 576) no Hoare annotation was computed. [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L479-2(lines 479 483) no Hoare annotation was computed. [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 516) no Hoare annotation was computed. [2021-08-29 03:14:45,940 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 450) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 553) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 564) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 217 219) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 575) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 597) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L854 garLoopResultBuilder]: At program point L515(lines 73 611) the Hoare annotation is: false [2021-08-29 03:14:45,941 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 03:14:45,941 INFO L854 garLoopResultBuilder]: At program point L185(lines 181 554) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse6) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6))) [2021-08-29 03:14:45,942 INFO L854 garLoopResultBuilder]: At program point L152(lines 148 565) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6))) [2021-08-29 03:14:45,942 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 88) no Hoare annotation was computed. [2021-08-29 03:14:45,942 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2021-08-29 03:14:45,942 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 596) no Hoare annotation was computed. [2021-08-29 03:14:45,942 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 359) no Hoare annotation was computed. [2021-08-29 03:14:45,942 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 588) no Hoare annotation was computed. [2021-08-29 03:14:45,942 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 519) no Hoare annotation was computed. [2021-08-29 03:14:45,942 INFO L858 garLoopResultBuilder]: For program point L583-2(lines 582 596) no Hoare annotation was computed. [2021-08-29 03:14:45,942 INFO L854 garLoopResultBuilder]: At program point L352(lines 328 370) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse6 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6))) [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 552) no Hoare annotation was computed. [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 563) no Hoare annotation was computed. [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 574) no Hoare annotation was computed. [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 421) no Hoare annotation was computed. [2021-08-29 03:14:45,943 INFO L854 garLoopResultBuilder]: At program point L386(lines 377 409) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse3 .cse4))) [2021-08-29 03:14:45,943 INFO L854 garLoopResultBuilder]: At program point L122(lines 118 575) the Hoare annotation is: false [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 587) no Hoare annotation was computed. [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 356) no Hoare annotation was computed. [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 290) no Hoare annotation was computed. [2021-08-29 03:14:45,943 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L288-2(lines 209 543) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 326) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L322-2(lines 209 543) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 551) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 562) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 573) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 73 611) no Hoare annotation was computed. [2021-08-29 03:14:45,944 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-08-29 03:14:45,945 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2021-08-29 03:14:45,945 INFO L858 garLoopResultBuilder]: For program point L389(lines 389 407) no Hoare annotation was computed. [2021-08-29 03:14:45,945 INFO L854 garLoopResultBuilder]: At program point L191(lines 187 552) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (< ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3 .cse2) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2))) [2021-08-29 03:14:45,945 INFO L854 garLoopResultBuilder]: At program point L158(lines 154 563) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse3 .cse4))) [2021-08-29 03:14:45,945 INFO L854 garLoopResultBuilder]: At program point L125(lines 124 573) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-08-29 03:14:45,945 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 94) no Hoare annotation was computed. [2021-08-29 03:14:45,945 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 492) no Hoare annotation was computed. [2021-08-29 03:14:45,945 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 396) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L861 garLoopResultBuilder]: At program point L622(lines 613 624) the Hoare annotation is: true [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 550) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 561) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 572) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 238) no Hoare annotation was computed. [2021-08-29 03:14:45,946 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 209 543) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 427 435) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 549) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 560) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 571) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L858 garLoopResultBuilder]: For program point L494(lines 494 500) no Hoare annotation was computed. [2021-08-29 03:14:45,947 INFO L854 garLoopResultBuilder]: At program point L197(lines 193 550) the Hoare annotation is: (let ((.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse3) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse4) (and .cse0 .cse2 .cse1 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:14:45,948 INFO L854 garLoopResultBuilder]: At program point L164(lines 160 561) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse3 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-08-29 03:14:45,948 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 03:14:45,948 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 609) no Hoare annotation was computed. [2021-08-29 03:14:45,948 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 433) no Hoare annotation was computed. [2021-08-29 03:14:45,948 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 369) no Hoare annotation was computed. [2021-08-29 03:14:45,948 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 548) no Hoare annotation was computed. [2021-08-29 03:14:45,948 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 559) no Hoare annotation was computed. [2021-08-29 03:14:45,948 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 570) no Hoare annotation was computed. [2021-08-29 03:14:45,949 INFO L854 garLoopResultBuilder]: At program point L100-2(lines 100 599) the Hoare annotation is: (let ((.cse12 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse25 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse24 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse11 (not .cse24)) (.cse14 (not .cse25)) (.cse23 (< ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse13 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse17 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (< 8496 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse30 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse9 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse26 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse27 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse15 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse28 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse29 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse20 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse4 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse19 (not .cse12)) (.cse16 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse8) (and .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse13 .cse18 .cse19 .cse3) (and .cse9 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse18 .cse8) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse12 .cse5 .cse20 .cse21) (and .cse22 .cse13 .cse6 .cse17 .cse7) (and .cse9 .cse10 .cse0 .cse15 .cse17 .cse23) (and .cse24 .cse12 .cse16) (and .cse22 .cse0 .cse13 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse6 .cse16 .cse17) (and .cse9 .cse10 .cse15 .cse17 .cse7 .cse23) (and .cse12 .cse16 .cse25) (and .cse9 .cse26 .cse10 .cse27 .cse12 .cse15 .cse6 .cse16 .cse28 .cse29 .cse20) (and .cse0 .cse8) (and .cse22 .cse0 .cse6 .cse20 .cse21) (and .cse12 .cse1 .cse2 .cse3 .cse7) (and .cse13 .cse3 .cse7) (and .cse30 .cse1 .cse2 .cse19 .cse3 .cse16) (and .cse18 .cse19 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse20 .cse21) (and .cse22 .cse6 .cse20 .cse7 .cse21) (and .cse22 .cse12 .cse13 .cse6 .cse16 .cse17) (and .cse22 .cse12 .cse6 .cse16 .cse20 .cse21) (and .cse9 .cse26 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10 .cse27 .cse0 .cse15 .cse28 .cse29 .cse20) (and .cse30 .cse1 .cse2 .cse3 .cse6 .cse16) (and .cse9 .cse26 .cse10 .cse27 .cse15 .cse28 .cse29 .cse20 .cse7) (and .cse4 .cse5 .cse1 .cse19) (and .cse16 .cse8)))) [2021-08-29 03:14:45,949 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-08-29 03:14:45,949 INFO L858 garLoopResultBuilder]: For program point L497-2(lines 209 543) no Hoare annotation was computed. [2021-08-29 03:14:45,949 INFO L854 garLoopResultBuilder]: At program point L398(lines 389 407) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (< 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse3 .cse4))) [2021-08-29 03:14:45,949 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 236) no Hoare annotation was computed. [2021-08-29 03:14:45,949 INFO L854 garLoopResultBuilder]: At program point L167(lines 166 559) the Hoare annotation is: (let ((.cse3 (< 8496 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse2) (and .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse4 .cse1 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse0) (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1 .cse2) (and .cse3 .cse4 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse3 .cse0 .cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2))) [2021-08-29 03:14:45,949 INFO L854 garLoopResultBuilder]: At program point L134(lines 127 572) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (< ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10))) [2021-08-29 03:14:45,949 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-29 03:14:45,955 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:14:46,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:14:46 BoogieIcfgContainer [2021-08-29 03:14:46,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:14:46,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:14:46,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:14:46,016 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:14:46,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:14:21" (3/4) ... [2021-08-29 03:14:46,018 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 03:14:46,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 03:14:46,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 03:14:46,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:14:46,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:14:46,095 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:14:46,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:14:46,096 INFO L158 Benchmark]: Toolchain (without parser) took 25468.94ms. Allocated memory was 54.5MB in the beginning and 394.3MB in the end (delta: 339.7MB). Free memory was 36.6MB in the beginning and 291.0MB in the end (delta: -254.4MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2021-08-29 03:14:46,096 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:14:46,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.84ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 34.7MB in the end (delta: 1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 03:14:46,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.45ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 31.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 03:14:46,102 INFO L158 Benchmark]: Boogie Preprocessor took 53.55ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 29.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 03:14:46,102 INFO L158 Benchmark]: RCFGBuilder took 374.24ms. Allocated memory is still 54.5MB. Free memory was 29.6MB in the beginning and 31.3MB in the end (delta: -1.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-08-29 03:14:46,103 INFO L158 Benchmark]: TraceAbstraction took 24556.03ms. Allocated memory was 54.5MB in the beginning and 394.3MB in the end (delta: 339.7MB). Free memory was 30.7MB in the beginning and 303.6MB in the end (delta: -272.9MB). Peak memory consumption was 238.1MB. Max. memory is 16.1GB. [2021-08-29 03:14:46,103 INFO L158 Benchmark]: Witness Printer took 80.08ms. Allocated memory is still 394.3MB. Free memory was 303.6MB in the beginning and 291.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 03:14:46,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.84ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 34.7MB in the end (delta: 1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.45ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 31.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.55ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 29.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.24ms. Allocated memory is still 54.5MB. Free memory was 29.6MB in the beginning and 31.3MB in the end (delta: -1.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24556.03ms. Allocated memory was 54.5MB in the beginning and 394.3MB in the end (delta: 339.7MB). Free memory was 30.7MB in the beginning and 303.6MB in the end (delta: -272.9MB). Peak memory consumption was 238.1MB. Max. memory is 16.1GB. * Witness Printer took 80.08ms. Allocated memory is still 394.3MB. Free memory was 303.6MB in the beginning and 291.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 609]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24461.79ms, OverallIterations: 34, TraceHistogramMax: 19, EmptinessCheckTime: 84.23ms, AutomataDifference: 9236.99ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 6597.51ms, InitialAbstractionConstructionTime: 7.10ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4770 SdHoareTripleChecker+Valid, 7825.10ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4770 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 6044.60ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3783 mSDsCounter, 1031 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14590 IncrementalHoareTripleChecker+Invalid, 15621 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1031 mSolverCounterUnsat, 0 mSDtfsCounter, 14590 mSolverCounterSat, 37.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3496 GetRequests, 3438 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 113.25ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4524occurred in iteration=27, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 999.24ms AutomataMinimizationTime, 34 MinimizatonAttempts, 6551 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 235 NumberOfFragments, 2734 HoareAnnotationTreeSize, 28 FomulaSimplifications, 229589 FormulaSimplificationTreeSizeReduction, 1185.64ms HoareSimplificationTime, 28 FomulaSimplificationsInter, 46732 FormulaSimplificationTreeSizeReductionInter, 5397.12ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 140.17ms SsaConstructionTime, 527.25ms SatisfiabilityAnalysisTime, 5269.84ms InterpolantComputationTime, 8782 NumberOfCodeBlocks, 8782 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 10232 ConstructedInterpolants, 0 QuantifiedInterpolants, 14127 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3115 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 43 InterpolantComputations, 30 PerfectInterpolantSequences, 34894/35202 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state) && blastFlag == 1) || ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && 8496 < s__state)) || (((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag == 1 && s__state <= 3)) || (((((((((!(8497 == s__state) && !(s__state == 8561)) && s__state == 8528) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && 8496 < s__state)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((((((((!(8497 == s__state) && s__state == 8512) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && 8496 < s__state)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || ((((8496 < s__s3__tmp__next_state___0 && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__state) && blastFlag == 1)) || (((((!(8497 == s__state) && !(s__state == 8561)) && blastFlag == 0) && !(s__state == 8545)) && 8496 < s__state) && s__state < 8640)) || ((s__state == 8544 && s__hit == 0) && 2 == blastFlag)) || ((((8496 < s__s3__tmp__next_state___0 && blastFlag == 0) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8496 < s__state)) || (((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8545)) && 8496 < s__state) && blastFlag == 1) && s__state < 8640)) || ((s__hit == 0 && 2 == blastFlag) && 8560 == s__state)) || ((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state)) || (blastFlag == 0 && s__state <= 3)) || ((((8496 < s__s3__tmp__next_state___0 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && s__state <= 8448)) || ((((s__hit == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || (((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || ((((8496 < s__s3__tmp__next_state___0 && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && blastFlag == 1) && s__state <= 8448)) || (((((8496 < s__s3__tmp__next_state___0 && s__hit == 0) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8496 < s__state)) || (((((8496 < s__s3__tmp__next_state___0 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state)) || (((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && !(s__hit == 0))) || (2 == blastFlag && s__state <= 3) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8672) && s__state <= 8672) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag) || (((!(s__state == 8672) && blastFlag == 0) && s__state <= 8672) && 8640 <= s__state)) || ((((!(s__state == 8672) && s__state <= 8672) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((!(s__state == 8672) && s__hit == 0) && s__state <= 8672) && 8640 <= s__state) && blastFlag == 1) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((!(8497 == s__state) && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && s__state < 8576) && 8496 < s__state) || (((((!(8497 == s__state) && !(s__state == 8561)) && !(8560 == s__state)) && s__state < 8576) && 8496 < s__state) && blastFlag == 1)) || ((((((!(8497 == s__state) && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && s__state < 8576) && 8496 < s__state) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__state) && s__state < 8656) || (((!(s__hit == 0) && 8640 <= s__state) && 2 == blastFlag) && s__state < 8656)) || (((8640 <= s__state && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && s__state < 8656)) || ((blastFlag == 0 && 8640 <= s__state) && s__state < 8656)) || ((8640 <= s__state && blastFlag == 1) && s__state < 8656) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((!(8497 == s__state) && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && s__state < 8576) && 8496 < s__state) || (((((!(8497 == s__state) && !(s__state == 8561)) && !(8560 == s__state)) && s__state < 8576) && 8496 < s__state) && blastFlag == 1)) || ((((((!(8497 == s__state) && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && s__state < 8576) && 8496 < s__state) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((!(8497 == s__state) && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && s__state < 8576) && 8496 < s__state) || (((((!(8497 == s__state) && !(s__state == 8561)) && !(8560 == s__state)) && s__state < 8576) && 8496 < s__state) && blastFlag == 1)) || ((((((!(8497 == s__state) && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && s__state < 8576) && 8496 < s__state) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((!(8497 == s__state) && !(s__state == 8544)) && s__hit == 0) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && 8496 < s__state) || (((((!(8497 == s__state) && !(s__state == 8544)) && blastFlag == 0) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state)) || (((((!(8497 == s__state) && !(s__state == 8544)) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state) && blastFlag == 1) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && s__s3__tmp__next_state___0 <= 8640) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state) && blastFlag == 1) || ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && 8496 < s__state)) || (((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448) || ((((8496 < s__s3__tmp__next_state___0 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && s__state <= 8448)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || ((((8496 < s__s3__tmp__next_state___0 && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && blastFlag == 1) && s__state <= 8448)) || (((((8496 < s__s3__tmp__next_state___0 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8480) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(s__state == 8480) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((!(s__state == 8480) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 8496 < s__state) && s__state < 8640) || (((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && 8496 < s__state) && blastFlag == 1) && s__state < 8640)) || (((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8496 < s__state) && s__state < 8640) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 8496 < s__state) && s__state < 8640) || (((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && 8496 < s__state) && blastFlag == 1) && s__state < 8640)) || (((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8496 < s__state) && s__state < 8640) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: ((((8672 <= s__state && blastFlag == 0) && !(12292 == s__state)) || (((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) && s__s3__tmp__next_state___0 <= 8576)) || ((8672 <= s__state && !(12292 == s__state)) && blastFlag == 1)) || (((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) && !(s__hit == 0)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 8496 < s__state) && s__state < 8640) || (((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && 8496 < s__state) && blastFlag == 1) && s__state < 8640)) || (((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8496 < s__state) && s__state < 8640) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state) && blastFlag == 1) || ((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && s__state < 8576) && 8496 < s__state)) || (((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__state < 8576) && 8496 < s__state) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag == 1 && s__state <= 3)) || (((((((((!(8497 == s__state) && !(s__state == 8561)) && s__state == 8528) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && 8496 < s__state)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((((((((!(8497 == s__state) && s__state == 8512) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && 8496 < s__state)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || ((((8496 < s__s3__tmp__next_state___0 && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__state) && blastFlag == 1)) || (((((!(8497 == s__state) && !(s__state == 8561)) && blastFlag == 0) && !(s__state == 8545)) && 8496 < s__state) && s__state < 8640)) || ((s__state == 8544 && s__hit == 0) && 2 == blastFlag)) || ((((8496 < s__s3__tmp__next_state___0 && blastFlag == 0) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576) && 8496 < s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8496 < s__state)) || (((((!(8497 == s__state) && !(s__state == 8561)) && !(s__state == 8545)) && 8496 < s__state) && blastFlag == 1) && s__state < 8640)) || ((s__hit == 0 && 2 == blastFlag) && 8560 == s__state)) || ((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state)) || (blastFlag == 0 && s__state <= 3)) || ((((8496 < s__s3__tmp__next_state___0 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && s__state <= 8448)) || ((((s__hit == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || (((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || ((((8496 < s__s3__tmp__next_state___0 && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && blastFlag == 1) && s__state <= 8448)) || (((((8496 < s__s3__tmp__next_state___0 && s__hit == 0) && s__state <= 8640) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8496 < s__state)) || (((((8496 < s__s3__tmp__next_state___0 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state)) || (((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && s__state < 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && !(s__hit == 0))) || (2 == blastFlag && s__state <= 3) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(s__state == 8672) RESULT: Ultimate proved your program to be correct! [2021-08-29 03:14:46,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...