./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt --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 0237d7665f4c4183d0858d7577c1caaad788a36b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:21:54,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:21:54,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:21:54,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:21:54,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:21:54,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:21:54,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:21:54,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:21:54,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:21:54,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:21:54,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:21:54,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:21:54,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:21:54,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:21:54,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:21:54,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:21:54,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:21:54,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:21:54,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:21:54,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:21:54,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:21:54,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:21:54,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:21:54,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:21:54,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:21:54,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:21:54,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:21:54,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:21:54,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:21:54,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:21:54,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:21:54,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:21:54,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:21:54,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:21:54,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:21:54,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:21:54,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:21:54,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:21:54,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:21:54,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:21:54,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:21:54,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:21:54,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:21:54,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:21:54,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:21:54,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:21:54,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:21:54,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:21:54,542 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:21:54,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:21:54,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:21:54,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:21:54,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:21:54,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:21:54,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:21:54,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:21:54,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:21:54,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:21:54,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:21:54,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:21:54,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:21:54,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:21:54,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:21:54,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:21:54,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:21:54,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:21:54,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:21:54,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:21:54,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:21:54,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:21:54,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:21:54,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:21:54,551 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0237d7665f4c4183d0858d7577c1caaad788a36b [2021-10-13 01:21:54,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:21:54,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:21:54,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:21:54,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:21:54,845 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:21:54,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-13 01:21:54,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/data/956f0e92d/5b4f593aa4d841c5a9aee371dd8bc917/FLAG17458b3db [2021-10-13 01:21:55,410 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:21:55,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-13 01:21:55,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/data/956f0e92d/5b4f593aa4d841c5a9aee371dd8bc917/FLAG17458b3db [2021-10-13 01:21:55,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/data/956f0e92d/5b4f593aa4d841c5a9aee371dd8bc917 [2021-10-13 01:21:55,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:21:55,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:21:55,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:21:55,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:21:55,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:21:55,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:55" (1/1) ... [2021-10-13 01:21:55,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee67949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:55, skipping insertion in model container [2021-10-13 01:21:55,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:55" (1/1) ... [2021-10-13 01:21:55,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:21:55,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:21:56,037 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[34967,34980] [2021-10-13 01:21:56,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:21:56,052 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:21:56,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[34967,34980] [2021-10-13 01:21:56,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:21:56,134 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:21:56,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56 WrapperNode [2021-10-13 01:21:56,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:21:56,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:21:56,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:21:56,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:21:56,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:21:56,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:21:56,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:21:56,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:21:56,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:21:56,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:21:56,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:21:56,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:21:56,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (1/1) ... [2021-10-13 01:21:56,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:21:56,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:56,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:56,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:21:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:21:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:21:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:21:56,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:21:56,524 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 01:21:57,114 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-13 01:21:57,118 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-13 01:21:57,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:21:57,127 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 01:21:57,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:57 BoogieIcfgContainer [2021-10-13 01:21:57,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:21:57,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:21:57,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:21:57,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:21:57,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:21:55" (1/3) ... [2021-10-13 01:21:57,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179f48c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:21:57, skipping insertion in model container [2021-10-13 01:21:57,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:56" (2/3) ... [2021-10-13 01:21:57,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179f48c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:21:57, skipping insertion in model container [2021-10-13 01:21:57,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:57" (3/3) ... [2021-10-13 01:21:57,138 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2021-10-13 01:21:57,143 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:21:57,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:21:57,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:21:57,199 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 [2021-10-13 01:21:57,200 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:21:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 01:21:57,225 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:57,226 INFO L512 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] [2021-10-13 01:21:57,226 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:57,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:57,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1457700990, now seen corresponding path program 1 times [2021-10-13 01:21:57,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:57,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205719146] [2021-10-13 01:21:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:57,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:57,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:57,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205719146] [2021-10-13 01:21:57,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205719146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:57,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:57,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:57,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543372104] [2021-10-13 01:21:57,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:57,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:57,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:57,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:57,634 INFO L87 Difference]: Start difference. First operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:57,734 INFO L93 Difference]: Finished difference Result 363 states and 617 transitions. [2021-10-13 01:21:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:57,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2021-10-13 01:21:57,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:57,748 INFO L225 Difference]: With dead ends: 363 [2021-10-13 01:21:57,748 INFO L226 Difference]: Without dead ends: 211 [2021-10-13 01:21:57,752 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-13 01:21:57,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-10-13 01:21:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.5) internal successors, (315), 210 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2021-10-13 01:21:57,839 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 24 [2021-10-13 01:21:57,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:57,840 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2021-10-13 01:21:57,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2021-10-13 01:21:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 01:21:57,848 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:57,848 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:57,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:21:57,849 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:57,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:57,854 INFO L82 PathProgramCache]: Analyzing trace with hash 152202379, now seen corresponding path program 1 times [2021-10-13 01:21:57,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:57,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007835554] [2021-10-13 01:21:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:57,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:57,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:57,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007835554] [2021-10-13 01:21:57,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007835554] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:57,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:57,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:57,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055665911] [2021-10-13 01:21:57,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:57,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:57,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:57,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:57,996 INFO L87 Difference]: Start difference. First operand 211 states and 315 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:58,159 INFO L93 Difference]: Finished difference Result 340 states and 513 transitions. [2021-10-13 01:21:58,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:58,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-13 01:21:58,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:58,164 INFO L225 Difference]: With dead ends: 340 [2021-10-13 01:21:58,164 INFO L226 Difference]: Without dead ends: 236 [2021-10-13 01:21:58,166 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-10-13 01:21:58,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2021-10-13 01:21:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.4845814977973568) internal successors, (337), 227 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 337 transitions. [2021-10-13 01:21:58,196 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 337 transitions. Word has length 38 [2021-10-13 01:21:58,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:58,197 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 337 transitions. [2021-10-13 01:21:58,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 337 transitions. [2021-10-13 01:21:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 01:21:58,207 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:58,207 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 01:21:58,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:21:58,208 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:58,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1281794544, now seen corresponding path program 1 times [2021-10-13 01:21:58,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:58,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990144292] [2021-10-13 01:21:58,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:58,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 01:21:58,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:58,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990144292] [2021-10-13 01:21:58,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990144292] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:58,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:58,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:58,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084489115] [2021-10-13 01:21:58,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:58,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:58,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:58,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:58,325 INFO L87 Difference]: Start difference. First operand 228 states and 337 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:58,552 INFO L93 Difference]: Finished difference Result 551 states and 841 transitions. [2021-10-13 01:21:58,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:58,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-13 01:21:58,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:58,556 INFO L225 Difference]: With dead ends: 551 [2021-10-13 01:21:58,556 INFO L226 Difference]: Without dead ends: 328 [2021-10-13 01:21:58,558 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:58,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-10-13 01:21:58,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2021-10-13 01:21:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4142394822006472) internal successors, (437), 309 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2021-10-13 01:21:58,581 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 55 [2021-10-13 01:21:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:58,581 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2021-10-13 01:21:58,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2021-10-13 01:21:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-13 01:21:58,584 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:58,584 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:58,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:21:58,585 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:58,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:58,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1258017753, now seen corresponding path program 1 times [2021-10-13 01:21:58,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:58,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187294900] [2021-10-13 01:21:58,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:58,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 01:21:58,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:58,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187294900] [2021-10-13 01:21:58,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187294900] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:58,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:58,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:58,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016926409] [2021-10-13 01:21:58,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:58,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:58,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:58,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:58,688 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:58,812 INFO L93 Difference]: Finished difference Result 659 states and 942 transitions. [2021-10-13 01:21:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:58,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-13 01:21:58,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:58,817 INFO L225 Difference]: With dead ends: 659 [2021-10-13 01:21:58,817 INFO L226 Difference]: Without dead ends: 356 [2021-10-13 01:21:58,820 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:58,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-13 01:21:58,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2021-10-13 01:21:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.3976945244956773) internal successors, (485), 347 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2021-10-13 01:21:58,846 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 68 [2021-10-13 01:21:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:58,849 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2021-10-13 01:21:58,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2021-10-13 01:21:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-13 01:21:58,855 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:58,855 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:58,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:21:58,856 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:58,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:58,859 INFO L82 PathProgramCache]: Analyzing trace with hash 181274982, now seen corresponding path program 1 times [2021-10-13 01:21:58,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:58,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49703742] [2021-10-13 01:21:58,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:58,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 01:21:58,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:58,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49703742] [2021-10-13 01:21:58,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49703742] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:58,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:58,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:58,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969700753] [2021-10-13 01:21:58,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:58,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:58,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:58,932 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:59,107 INFO L93 Difference]: Finished difference Result 828 states and 1180 transitions. [2021-10-13 01:21:59,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:59,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-10-13 01:21:59,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:59,111 INFO L225 Difference]: With dead ends: 828 [2021-10-13 01:21:59,112 INFO L226 Difference]: Without dead ends: 485 [2021-10-13 01:21:59,113 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-13 01:21:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 459. [2021-10-13 01:21:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.4323144104803494) internal successors, (656), 458 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2021-10-13 01:21:59,130 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 81 [2021-10-13 01:21:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:59,130 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2021-10-13 01:21:59,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2021-10-13 01:21:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-13 01:21:59,133 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:59,133 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:59,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:21:59,133 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:59,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:59,134 INFO L82 PathProgramCache]: Analyzing trace with hash -901961809, now seen corresponding path program 1 times [2021-10-13 01:21:59,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:59,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689529851] [2021-10-13 01:21:59,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:59,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-13 01:21:59,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:59,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689529851] [2021-10-13 01:21:59,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689529851] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:59,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:59,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:59,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103707484] [2021-10-13 01:21:59,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:59,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:59,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:59,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,193 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:59,321 INFO L93 Difference]: Finished difference Result 926 states and 1341 transitions. [2021-10-13 01:21:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:59,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 [2021-10-13 01:21:59,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:59,329 INFO L225 Difference]: With dead ends: 926 [2021-10-13 01:21:59,330 INFO L226 Difference]: Without dead ends: 507 [2021-10-13 01:21:59,331 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-13 01:21:59,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2021-10-13 01:21:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 500 states have (on average 1.416) internal successors, (708), 500 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 708 transitions. [2021-10-13 01:21:59,356 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 708 transitions. Word has length 84 [2021-10-13 01:21:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:59,357 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 708 transitions. [2021-10-13 01:21:59,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 708 transitions. [2021-10-13 01:21:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-13 01:21:59,360 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:59,360 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:59,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 01:21:59,361 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:59,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:59,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1810291289, now seen corresponding path program 1 times [2021-10-13 01:21:59,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:59,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822693710] [2021-10-13 01:21:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:59,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 01:21:59,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:59,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822693710] [2021-10-13 01:21:59,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822693710] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:59,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:59,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:59,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399696463] [2021-10-13 01:21:59,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:59,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:59,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:59,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,456 INFO L87 Difference]: Start difference. First operand 501 states and 708 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:59,501 INFO L93 Difference]: Finished difference Result 980 states and 1398 transitions. [2021-10-13 01:21:59,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:59,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 104 [2021-10-13 01:21:59,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:59,506 INFO L225 Difference]: With dead ends: 980 [2021-10-13 01:21:59,507 INFO L226 Difference]: Without dead ends: 739 [2021-10-13 01:21:59,508 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2021-10-13 01:21:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2021-10-13 01:21:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 738 states have (on average 1.4173441734417345) internal successors, (1046), 738 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1046 transitions. [2021-10-13 01:21:59,532 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1046 transitions. Word has length 104 [2021-10-13 01:21:59,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:59,532 INFO L470 AbstractCegarLoop]: Abstraction has 739 states and 1046 transitions. [2021-10-13 01:21:59,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1046 transitions. [2021-10-13 01:21:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-13 01:21:59,535 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:59,535 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:59,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 01:21:59,536 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash 151283369, now seen corresponding path program 1 times [2021-10-13 01:21:59,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:59,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671781354] [2021-10-13 01:21:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:59,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-13 01:21:59,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:59,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671781354] [2021-10-13 01:21:59,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671781354] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:59,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:59,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:59,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644326351] [2021-10-13 01:21:59,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:59,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:59,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:59,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,632 INFO L87 Difference]: Start difference. First operand 739 states and 1046 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) [2021-10-13 01:21:59,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:59,658 INFO L93 Difference]: Finished difference Result 1239 states and 1758 transitions. [2021-10-13 01:21:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:59,658 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 104 [2021-10-13 01:21:59,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:59,663 INFO L225 Difference]: With dead ends: 1239 [2021-10-13 01:21:59,663 INFO L226 Difference]: Without dead ends: 760 [2021-10-13 01:21:59,664 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-10-13 01:21:59,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2021-10-13 01:21:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 759 states have (on average 1.4137022397891963) internal successors, (1073), 759 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1073 transitions. [2021-10-13 01:21:59,687 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1073 transitions. Word has length 104 [2021-10-13 01:21:59,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:59,688 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1073 transitions. [2021-10-13 01:21:59,688 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) [2021-10-13 01:21:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1073 transitions. [2021-10-13 01:21:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-13 01:21:59,690 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:59,690 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:59,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 01:21:59,691 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:59,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:59,691 INFO L82 PathProgramCache]: Analyzing trace with hash -492994255, now seen corresponding path program 1 times [2021-10-13 01:21:59,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:59,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534056445] [2021-10-13 01:21:59,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:59,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-13 01:21:59,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:59,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534056445] [2021-10-13 01:21:59,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534056445] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:59,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:59,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:59,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623489595] [2021-10-13 01:21:59,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:59,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:59,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:59,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,765 INFO L87 Difference]: Start difference. First operand 760 states and 1073 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) [2021-10-13 01:21:59,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:59,802 INFO L93 Difference]: Finished difference Result 1001 states and 1419 transitions. [2021-10-13 01:21:59,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:21:59,802 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 106 [2021-10-13 01:21:59,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:21:59,808 INFO L225 Difference]: With dead ends: 1001 [2021-10-13 01:21:59,808 INFO L226 Difference]: Without dead ends: 999 [2021-10-13 01:21:59,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-10-13 01:21:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2021-10-13 01:21:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.4198396793587174) internal successors, (1417), 998 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1417 transitions. [2021-10-13 01:21:59,844 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1417 transitions. Word has length 106 [2021-10-13 01:21:59,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:21:59,845 INFO L470 AbstractCegarLoop]: Abstraction has 999 states and 1417 transitions. [2021-10-13 01:21:59,845 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) [2021-10-13 01:21:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1417 transitions. [2021-10-13 01:21:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-13 01:21:59,848 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:21:59,848 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:59,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 01:21:59,849 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:21:59,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:59,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1913560025, now seen corresponding path program 1 times [2021-10-13 01:21:59,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:59,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437426752] [2021-10-13 01:21:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:59,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-13 01:21:59,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:59,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437426752] [2021-10-13 01:21:59,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437426752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:59,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:59,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:21:59,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824266002] [2021-10-13 01:21:59,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:21:59,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:59,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:21:59,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:21:59,923 INFO L87 Difference]: Start difference. First operand 999 states and 1417 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) [2021-10-13 01:22:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:00,035 INFO L93 Difference]: Finished difference Result 2064 states and 2956 transitions. [2021-10-13 01:22:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:00,036 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 131 [2021-10-13 01:22:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:00,043 INFO L225 Difference]: With dead ends: 2064 [2021-10-13 01:22:00,043 INFO L226 Difference]: Without dead ends: 1105 [2021-10-13 01:22:00,045 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2021-10-13 01:22:00,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1091. [2021-10-13 01:22:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1090 states have (on average 1.4027522935779817) internal successors, (1529), 1090 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1529 transitions. [2021-10-13 01:22:00,078 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1529 transitions. Word has length 131 [2021-10-13 01:22:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:00,079 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 1529 transitions. [2021-10-13 01:22:00,079 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) [2021-10-13 01:22:00,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1529 transitions. [2021-10-13 01:22:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-13 01:22:00,082 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:00,083 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:00,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 01:22:00,083 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:00,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:00,084 INFO L82 PathProgramCache]: Analyzing trace with hash 296450083, now seen corresponding path program 1 times [2021-10-13 01:22:00,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:00,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884242910] [2021-10-13 01:22:00,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:00,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-13 01:22:00,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:00,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884242910] [2021-10-13 01:22:00,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884242910] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:00,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:00,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:00,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469681226] [2021-10-13 01:22:00,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:00,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:00,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:00,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,168 INFO L87 Difference]: Start difference. First operand 1091 states and 1529 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) [2021-10-13 01:22:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:00,313 INFO L93 Difference]: Finished difference Result 2346 states and 3350 transitions. [2021-10-13 01:22:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:00,314 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 152 [2021-10-13 01:22:00,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:00,322 INFO L225 Difference]: With dead ends: 2346 [2021-10-13 01:22:00,322 INFO L226 Difference]: Without dead ends: 1287 [2021-10-13 01:22:00,324 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2021-10-13 01:22:00,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1247. [2021-10-13 01:22:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1246 states have (on average 1.4069020866773676) internal successors, (1753), 1246 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1753 transitions. [2021-10-13 01:22:00,363 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1753 transitions. Word has length 152 [2021-10-13 01:22:00,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:00,364 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 1753 transitions. [2021-10-13 01:22:00,364 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) [2021-10-13 01:22:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1753 transitions. [2021-10-13 01:22:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-13 01:22:00,369 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:00,369 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:00,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 01:22:00,369 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:00,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:00,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2080513012, now seen corresponding path program 1 times [2021-10-13 01:22:00,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:00,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744274009] [2021-10-13 01:22:00,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:00,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-13 01:22:00,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:00,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744274009] [2021-10-13 01:22:00,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744274009] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:00,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:00,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:00,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610902396] [2021-10-13 01:22:00,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:00,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:00,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:00,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,445 INFO L87 Difference]: Start difference. First operand 1247 states and 1753 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:00,561 INFO L93 Difference]: Finished difference Result 2574 states and 3602 transitions. [2021-10-13 01:22:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:00,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 188 [2021-10-13 01:22:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:00,570 INFO L225 Difference]: With dead ends: 2574 [2021-10-13 01:22:00,571 INFO L226 Difference]: Without dead ends: 1367 [2021-10-13 01:22:00,573 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-10-13 01:22:00,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1359. [2021-10-13 01:22:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1358 states have (on average 1.3880706921944035) internal successors, (1885), 1358 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1885 transitions. [2021-10-13 01:22:00,620 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1885 transitions. Word has length 188 [2021-10-13 01:22:00,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:00,620 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 1885 transitions. [2021-10-13 01:22:00,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1885 transitions. [2021-10-13 01:22:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-13 01:22:00,626 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:00,626 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:00,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 01:22:00,627 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:00,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:00,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1653754506, now seen corresponding path program 1 times [2021-10-13 01:22:00,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:00,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868558345] [2021-10-13 01:22:00,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:00,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-13 01:22:00,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:00,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868558345] [2021-10-13 01:22:00,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868558345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:00,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:00,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:00,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589185312] [2021-10-13 01:22:00,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:00,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:00,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:00,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,696 INFO L87 Difference]: Start difference. First operand 1359 states and 1885 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:00,814 INFO L93 Difference]: Finished difference Result 2814 states and 3902 transitions. [2021-10-13 01:22:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:00,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 188 [2021-10-13 01:22:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:00,824 INFO L225 Difference]: With dead ends: 2814 [2021-10-13 01:22:00,824 INFO L226 Difference]: Without dead ends: 1495 [2021-10-13 01:22:00,826 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2021-10-13 01:22:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1483. [2021-10-13 01:22:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1482 states have (on average 1.3690958164642375) internal successors, (2029), 1482 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2029 transitions. [2021-10-13 01:22:00,869 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2029 transitions. Word has length 188 [2021-10-13 01:22:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:00,870 INFO L470 AbstractCegarLoop]: Abstraction has 1483 states and 2029 transitions. [2021-10-13 01:22:00,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2029 transitions. [2021-10-13 01:22:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-13 01:22:00,875 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:00,875 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:00,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 01:22:00,876 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:00,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:00,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1229348372, now seen corresponding path program 1 times [2021-10-13 01:22:00,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:00,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255246511] [2021-10-13 01:22:00,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:00,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,945 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-13 01:22:00,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:00,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255246511] [2021-10-13 01:22:00,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255246511] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:00,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:00,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:00,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330474034] [2021-10-13 01:22:00,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:00,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:00,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:00,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:00,948 INFO L87 Difference]: Start difference. First operand 1483 states and 2029 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) [2021-10-13 01:22:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:01,023 INFO L93 Difference]: Finished difference Result 4365 states and 5987 transitions. [2021-10-13 01:22:01,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:01,024 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 218 [2021-10-13 01:22:01,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:01,040 INFO L225 Difference]: With dead ends: 4365 [2021-10-13 01:22:01,041 INFO L226 Difference]: Without dead ends: 2922 [2021-10-13 01:22:01,044 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:01,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2021-10-13 01:22:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2920. [2021-10-13 01:22:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2919 states have (on average 1.3706748886605002) internal successors, (4001), 2919 states have internal predecessors, (4001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4001 transitions. [2021-10-13 01:22:01,141 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4001 transitions. Word has length 218 [2021-10-13 01:22:01,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:01,142 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 4001 transitions. [2021-10-13 01:22:01,142 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) [2021-10-13 01:22:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4001 transitions. [2021-10-13 01:22:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-13 01:22:01,150 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:01,150 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:01,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 01:22:01,151 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:01,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:01,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1790048150, now seen corresponding path program 1 times [2021-10-13 01:22:01,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:01,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485397265] [2021-10-13 01:22:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:01,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-10-13 01:22:01,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:01,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485397265] [2021-10-13 01:22:01,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485397265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:01,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:01,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:01,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29113954] [2021-10-13 01:22:01,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:01,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:01,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:01,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:01,215 INFO L87 Difference]: Start difference. First operand 2920 states and 4001 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:01,366 INFO L93 Difference]: Finished difference Result 6100 states and 8366 transitions. [2021-10-13 01:22:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:01,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 218 [2021-10-13 01:22:01,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:01,385 INFO L225 Difference]: With dead ends: 6100 [2021-10-13 01:22:01,385 INFO L226 Difference]: Without dead ends: 3220 [2021-10-13 01:22:01,391 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:01,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2021-10-13 01:22:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3204. [2021-10-13 01:22:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.3502965969403684) internal successors, (4325), 3203 states have internal predecessors, (4325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 4325 transitions. [2021-10-13 01:22:01,523 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 4325 transitions. Word has length 218 [2021-10-13 01:22:01,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:01,524 INFO L470 AbstractCegarLoop]: Abstraction has 3204 states and 4325 transitions. [2021-10-13 01:22:01,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 4325 transitions. [2021-10-13 01:22:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-10-13 01:22:01,533 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:01,533 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:01,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 01:22:01,534 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:01,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:01,534 INFO L82 PathProgramCache]: Analyzing trace with hash 678419774, now seen corresponding path program 1 times [2021-10-13 01:22:01,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:01,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660683159] [2021-10-13 01:22:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:01,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-13 01:22:01,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:01,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660683159] [2021-10-13 01:22:01,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660683159] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:01,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:01,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:01,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523618675] [2021-10-13 01:22:01,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:01,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:01,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:01,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:01,611 INFO L87 Difference]: Start difference. First operand 3204 states and 4325 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) [2021-10-13 01:22:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:01,766 INFO L93 Difference]: Finished difference Result 6516 states and 8798 transitions. [2021-10-13 01:22:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:01,767 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 242 [2021-10-13 01:22:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:01,785 INFO L225 Difference]: With dead ends: 6516 [2021-10-13 01:22:01,786 INFO L226 Difference]: Without dead ends: 3352 [2021-10-13 01:22:01,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2021-10-13 01:22:01,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3336. [2021-10-13 01:22:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 3335 states have (on average 1.3424287856071964) internal successors, (4477), 3335 states have internal predecessors, (4477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4477 transitions. [2021-10-13 01:22:01,900 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4477 transitions. Word has length 242 [2021-10-13 01:22:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:01,900 INFO L470 AbstractCegarLoop]: Abstraction has 3336 states and 4477 transitions. [2021-10-13 01:22:01,901 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) [2021-10-13 01:22:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4477 transitions. [2021-10-13 01:22:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-13 01:22:01,910 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:01,910 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:01,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 01:22:01,911 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:01,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:01,911 INFO L82 PathProgramCache]: Analyzing trace with hash -101941725, now seen corresponding path program 1 times [2021-10-13 01:22:01,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:01,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726352277] [2021-10-13 01:22:01,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:01,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-13 01:22:02,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:02,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726352277] [2021-10-13 01:22:02,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726352277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:02,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:02,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:02,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870654124] [2021-10-13 01:22:02,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:02,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:02,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:02,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:02,015 INFO L87 Difference]: Start difference. First operand 3336 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:02,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:02,190 INFO L93 Difference]: Finished difference Result 7032 states and 9578 transitions. [2021-10-13 01:22:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:02,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 [2021-10-13 01:22:02,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:02,211 INFO L225 Difference]: With dead ends: 7032 [2021-10-13 01:22:02,211 INFO L226 Difference]: Without dead ends: 3736 [2021-10-13 01:22:02,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:02,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2021-10-13 01:22:02,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3648. [2021-10-13 01:22:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3647 states have (on average 1.3284891691801481) internal successors, (4845), 3647 states have internal predecessors, (4845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4845 transitions. [2021-10-13 01:22:02,326 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4845 transitions. Word has length 253 [2021-10-13 01:22:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:02,326 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 4845 transitions. [2021-10-13 01:22:02,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4845 transitions. [2021-10-13 01:22:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-10-13 01:22:02,337 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:02,337 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:02,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 01:22:02,337 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:02,338 INFO L82 PathProgramCache]: Analyzing trace with hash 324455461, now seen corresponding path program 1 times [2021-10-13 01:22:02,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:02,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872951331] [2021-10-13 01:22:02,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:02,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-13 01:22:02,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:02,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872951331] [2021-10-13 01:22:02,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872951331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:02,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:02,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:02,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394956237] [2021-10-13 01:22:02,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:02,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:02,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:02,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:02,426 INFO L87 Difference]: Start difference. First operand 3648 states and 4845 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) [2021-10-13 01:22:02,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:02,605 INFO L93 Difference]: Finished difference Result 7664 states and 10122 transitions. [2021-10-13 01:22:02,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:02,606 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 267 [2021-10-13 01:22:02,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:02,643 INFO L225 Difference]: With dead ends: 7664 [2021-10-13 01:22:02,643 INFO L226 Difference]: Without dead ends: 4056 [2021-10-13 01:22:02,649 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:02,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2021-10-13 01:22:02,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 3768. [2021-10-13 01:22:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 3767 states have (on average 1.3243960711441465) internal successors, (4989), 3767 states have internal predecessors, (4989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 4989 transitions. [2021-10-13 01:22:02,778 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 4989 transitions. Word has length 267 [2021-10-13 01:22:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:02,778 INFO L470 AbstractCegarLoop]: Abstraction has 3768 states and 4989 transitions. [2021-10-13 01:22:02,779 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) [2021-10-13 01:22:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 4989 transitions. [2021-10-13 01:22:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-10-13 01:22:02,789 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:02,790 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:02,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-13 01:22:02,790 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:02,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:02,791 INFO L82 PathProgramCache]: Analyzing trace with hash 842255411, now seen corresponding path program 1 times [2021-10-13 01:22:02,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:02,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849889933] [2021-10-13 01:22:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:02,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-10-13 01:22:02,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:02,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849889933] [2021-10-13 01:22:02,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849889933] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:02,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:02,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:02,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31805036] [2021-10-13 01:22:02,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:02,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:02,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:02,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:02,898 INFO L87 Difference]: Start difference. First operand 3768 states and 4989 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) [2021-10-13 01:22:03,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:03,013 INFO L93 Difference]: Finished difference Result 10720 states and 14279 transitions. [2021-10-13 01:22:03,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:03,014 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 268 [2021-10-13 01:22:03,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:03,031 INFO L225 Difference]: With dead ends: 10720 [2021-10-13 01:22:03,031 INFO L226 Difference]: Without dead ends: 6992 [2021-10-13 01:22:03,038 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6992 states. [2021-10-13 01:22:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6992 to 6990. [2021-10-13 01:22:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 6989 states have (on average 1.3325225354127914) internal successors, (9313), 6989 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9313 transitions. [2021-10-13 01:22:03,235 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9313 transitions. Word has length 268 [2021-10-13 01:22:03,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:03,236 INFO L470 AbstractCegarLoop]: Abstraction has 6990 states and 9313 transitions. [2021-10-13 01:22:03,236 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) [2021-10-13 01:22:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9313 transitions. [2021-10-13 01:22:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-13 01:22:03,250 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:03,281 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:03,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-13 01:22:03,282 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:03,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1556363552, now seen corresponding path program 1 times [2021-10-13 01:22:03,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:03,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064103989] [2021-10-13 01:22:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:03,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-10-13 01:22:03,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:03,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064103989] [2021-10-13 01:22:03,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064103989] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:03,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:03,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:03,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70006528] [2021-10-13 01:22:03,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:03,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:03,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:03,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:03,346 INFO L87 Difference]: Start difference. First operand 6990 states and 9313 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:03,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:03,555 INFO L93 Difference]: Finished difference Result 13948 states and 18570 transitions. [2021-10-13 01:22:03,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:03,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 269 [2021-10-13 01:22:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:03,570 INFO L225 Difference]: With dead ends: 13948 [2021-10-13 01:22:03,570 INFO L226 Difference]: Without dead ends: 6998 [2021-10-13 01:22:03,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:03,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6998 states. [2021-10-13 01:22:03,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6998 to 6966. [2021-10-13 01:22:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 6965 states have (on average 1.3061019382627423) internal successors, (9097), 6965 states have internal predecessors, (9097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9097 transitions. [2021-10-13 01:22:03,839 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9097 transitions. Word has length 269 [2021-10-13 01:22:03,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:03,840 INFO L470 AbstractCegarLoop]: Abstraction has 6966 states and 9097 transitions. [2021-10-13 01:22:03,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:03,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9097 transitions. [2021-10-13 01:22:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-10-13 01:22:03,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:03,855 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:03,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-13 01:22:03,855 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:03,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:03,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1277617296, now seen corresponding path program 1 times [2021-10-13 01:22:03,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:03,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467838020] [2021-10-13 01:22:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:03,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-13 01:22:03,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:03,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467838020] [2021-10-13 01:22:03,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467838020] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:03,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98580261] [2021-10-13 01:22:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:03,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:03,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:03,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:22:03,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:22:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:04,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:22:04,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-13 01:22:04,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98580261] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:04,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:22:04,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 01:22:04,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755938689] [2021-10-13 01:22:05,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:22:05,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:05,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:22:05,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:22:05,002 INFO L87 Difference]: Start difference. First operand 6966 states and 9097 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:05,462 INFO L93 Difference]: Finished difference Result 13822 states and 18051 transitions. [2021-10-13 01:22:05,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:22:05,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 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 292 [2021-10-13 01:22:05,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:05,483 INFO L225 Difference]: With dead ends: 13822 [2021-10-13 01:22:05,483 INFO L226 Difference]: Without dead ends: 10438 [2021-10-13 01:22:05,491 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10438 states. [2021-10-13 01:22:05,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10438 to 8872. [2021-10-13 01:22:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8872 states, 8871 states have (on average 1.3063916131214068) internal successors, (11589), 8871 states have internal predecessors, (11589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 11589 transitions. [2021-10-13 01:22:05,809 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 11589 transitions. Word has length 292 [2021-10-13 01:22:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:05,810 INFO L470 AbstractCegarLoop]: Abstraction has 8872 states and 11589 transitions. [2021-10-13 01:22:05,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 11589 transitions. [2021-10-13 01:22:05,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-10-13 01:22:05,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:05,832 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:05,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:06,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-13 01:22:06,049 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:06,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:06,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1037661491, now seen corresponding path program 2 times [2021-10-13 01:22:06,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:06,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108096244] [2021-10-13 01:22:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:06,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-13 01:22:06,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:06,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108096244] [2021-10-13 01:22:06,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108096244] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:06,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530475562] [2021-10-13 01:22:06,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:22:06,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:06,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:06,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:22:06,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 01:22:06,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:22:06,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:22:06,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:22:06,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2021-10-13 01:22:07,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530475562] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:07,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:22:07,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-13 01:22:07,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487286415] [2021-10-13 01:22:07,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:07,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:07,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:07,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:07,089 INFO L87 Difference]: Start difference. First operand 8872 states and 11589 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:07,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:07,401 INFO L93 Difference]: Finished difference Result 18732 states and 24846 transitions. [2021-10-13 01:22:07,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:07,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 305 [2021-10-13 01:22:07,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:07,421 INFO L225 Difference]: With dead ends: 18732 [2021-10-13 01:22:07,421 INFO L226 Difference]: Without dead ends: 9900 [2021-10-13 01:22:07,431 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9900 states. [2021-10-13 01:22:07,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9900 to 8996. [2021-10-13 01:22:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8996 states, 8995 states have (on average 1.3079488604780434) internal successors, (11765), 8995 states have internal predecessors, (11765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8996 states to 8996 states and 11765 transitions. [2021-10-13 01:22:07,681 INFO L78 Accepts]: Start accepts. Automaton has 8996 states and 11765 transitions. Word has length 305 [2021-10-13 01:22:07,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:07,682 INFO L470 AbstractCegarLoop]: Abstraction has 8996 states and 11765 transitions. [2021-10-13 01:22:07,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 8996 states and 11765 transitions. [2021-10-13 01:22:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-10-13 01:22:07,703 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:07,703 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2021-10-13 01:22:07,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:07,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:07,917 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:07,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:07,918 INFO L82 PathProgramCache]: Analyzing trace with hash 650041975, now seen corresponding path program 1 times [2021-10-13 01:22:07,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:07,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006720171] [2021-10-13 01:22:07,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:07,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-13 01:22:08,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:08,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006720171] [2021-10-13 01:22:08,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006720171] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:08,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433731823] [2021-10-13 01:22:08,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:08,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:08,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:22:08,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 01:22:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:08,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:22:08,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2021-10-13 01:22:09,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433731823] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:09,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:22:09,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-13 01:22:09,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506091270] [2021-10-13 01:22:09,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:09,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:09,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:09,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:09,424 INFO L87 Difference]: Start difference. First operand 8996 states and 11765 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:09,571 INFO L93 Difference]: Finished difference Result 22030 states and 28764 transitions. [2021-10-13 01:22:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:09,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 372 [2021-10-13 01:22:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:09,598 INFO L225 Difference]: With dead ends: 22030 [2021-10-13 01:22:09,598 INFO L226 Difference]: Without dead ends: 13074 [2021-10-13 01:22:09,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13074 states. [2021-10-13 01:22:09,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13074 to 13074. [2021-10-13 01:22:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13074 states, 13073 states have (on average 1.302302455442515) internal successors, (17025), 13073 states have internal predecessors, (17025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:09,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13074 states to 13074 states and 17025 transitions. [2021-10-13 01:22:09,948 INFO L78 Accepts]: Start accepts. Automaton has 13074 states and 17025 transitions. Word has length 372 [2021-10-13 01:22:09,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:09,949 INFO L470 AbstractCegarLoop]: Abstraction has 13074 states and 17025 transitions. [2021-10-13 01:22:09,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 13074 states and 17025 transitions. [2021-10-13 01:22:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-10-13 01:22:09,979 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:09,981 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2021-10-13 01:22:10,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:10,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-13 01:22:10,197 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:10,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:10,198 INFO L82 PathProgramCache]: Analyzing trace with hash -590181313, now seen corresponding path program 1 times [2021-10-13 01:22:10,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:10,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381004133] [2021-10-13 01:22:10,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:10,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-13 01:22:10,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:10,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381004133] [2021-10-13 01:22:10,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381004133] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:10,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378594485] [2021-10-13 01:22:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:10,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:10,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:10,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:22:10,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 01:22:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:10,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:22:10,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-13 01:22:11,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378594485] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:11,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:22:11,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 01:22:11,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092336324] [2021-10-13 01:22:11,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:22:11,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:11,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:22:11,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:22:11,647 INFO L87 Difference]: Start difference. First operand 13074 states and 17025 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:12,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:12,132 INFO L93 Difference]: Finished difference Result 30581 states and 39599 transitions. [2021-10-13 01:22:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:22:12,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 374 [2021-10-13 01:22:12,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:12,169 INFO L225 Difference]: With dead ends: 30581 [2021-10-13 01:22:12,169 INFO L226 Difference]: Without dead ends: 17535 [2021-10-13 01:22:12,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:12,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17535 states. [2021-10-13 01:22:12,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17535 to 14250. [2021-10-13 01:22:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14250 states, 14249 states have (on average 1.276159730507404) internal successors, (18184), 14249 states have internal predecessors, (18184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14250 states to 14250 states and 18184 transitions. [2021-10-13 01:22:12,560 INFO L78 Accepts]: Start accepts. Automaton has 14250 states and 18184 transitions. Word has length 374 [2021-10-13 01:22:12,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:12,561 INFO L470 AbstractCegarLoop]: Abstraction has 14250 states and 18184 transitions. [2021-10-13 01:22:12,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14250 states and 18184 transitions. [2021-10-13 01:22:12,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-10-13 01:22:12,594 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:12,595 INFO L512 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:12,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:12,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-13 01:22:12,809 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:12,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:12,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1273645298, now seen corresponding path program 1 times [2021-10-13 01:22:12,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:12,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638459323] [2021-10-13 01:22:12,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:12,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2021-10-13 01:22:12,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:12,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638459323] [2021-10-13 01:22:12,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638459323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:12,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:12,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:22:12,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940220961] [2021-10-13 01:22:12,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:22:12,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:12,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:22:12,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:12,909 INFO L87 Difference]: Start difference. First operand 14250 states and 18184 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:13,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:13,212 INFO L93 Difference]: Finished difference Result 26787 states and 33718 transitions. [2021-10-13 01:22:13,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:22:13,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 413 [2021-10-13 01:22:13,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:13,225 INFO L225 Difference]: With dead ends: 26787 [2021-10-13 01:22:13,225 INFO L226 Difference]: Without dead ends: 6014 [2021-10-13 01:22:13,237 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:22:13,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2021-10-13 01:22:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 5562. [2021-10-13 01:22:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5562 states, 5561 states have (on average 1.2542708146016903) internal successors, (6975), 5561 states have internal predecessors, (6975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 6975 transitions. [2021-10-13 01:22:13,342 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 6975 transitions. Word has length 413 [2021-10-13 01:22:13,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:13,343 INFO L470 AbstractCegarLoop]: Abstraction has 5562 states and 6975 transitions. [2021-10-13 01:22:13,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 6975 transitions. [2021-10-13 01:22:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-10-13 01:22:13,350 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:22:13,351 INFO L512 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:13,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-13 01:22:13,352 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:22:13,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:13,352 INFO L82 PathProgramCache]: Analyzing trace with hash 381067605, now seen corresponding path program 1 times [2021-10-13 01:22:13,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:13,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103347815] [2021-10-13 01:22:13,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:13,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-13 01:22:13,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:13,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103347815] [2021-10-13 01:22:13,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103347815] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:13,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243824962] [2021-10-13 01:22:13,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:13,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:13,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:13,448 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:22:13,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 01:22:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:14,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 01:22:14,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-13 01:22:15,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243824962] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:15,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:22:15,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 01:22:15,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476313999] [2021-10-13 01:22:15,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:22:15,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:15,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:22:15,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:22:15,097 INFO L87 Difference]: Start difference. First operand 5562 states and 6975 transitions. Second operand has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:15,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:15,295 INFO L93 Difference]: Finished difference Result 7086 states and 8869 transitions. [2021-10-13 01:22:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:22:15,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 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 442 [2021-10-13 01:22:15,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:22:15,296 INFO L225 Difference]: With dead ends: 7086 [2021-10-13 01:22:15,296 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:22:15,299 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:15,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:22:15,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:22:15,300 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) [2021-10-13 01:22:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:22:15,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2021-10-13 01:22:15,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:22:15,300 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:22:15,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:22:15,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:22:15,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:22:15,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:15,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:15,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:22:15,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:15,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:16,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:22:18,058 INFO L853 garLoopResultBuilder]: At program point L168(lines 164 494) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-13 01:22:18,059 INFO L853 garLoopResultBuilder]: At program point L102(lines 101 515) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0))) [2021-10-13 01:22:18,059 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 402) no Hoare annotation was computed. [2021-10-13 01:22:18,059 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 369) no Hoare annotation was computed. [2021-10-13 01:22:18,059 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 492) no Hoare annotation was computed. [2021-10-13 01:22:18,059 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 503) no Hoare annotation was computed. [2021-10-13 01:22:18,059 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 514) no Hoare annotation was computed. [2021-10-13 01:22:18,059 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2021-10-13 01:22:18,059 INFO L857 garLoopResultBuilder]: For program point L468-2(lines 468 470) no Hoare annotation was computed. [2021-10-13 01:22:18,060 INFO L853 garLoopResultBuilder]: At program point L138(lines 134 504) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-13 01:22:18,060 INFO L860 garLoopResultBuilder]: At program point L535(lines 97 536) the Hoare annotation is: true [2021-10-13 01:22:18,060 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2021-10-13 01:22:18,060 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2021-10-13 01:22:18,060 INFO L857 garLoopResultBuilder]: For program point L271-2(lines 271 275) no Hoare annotation was computed. [2021-10-13 01:22:18,060 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 308) no Hoare annotation was computed. [2021-10-13 01:22:18,060 INFO L853 garLoopResultBuilder]: At program point L206(lines 104 514) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0))) [2021-10-13 01:22:18,060 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 491) no Hoare annotation was computed. [2021-10-13 01:22:18,060 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 502) no Hoare annotation was computed. [2021-10-13 01:22:18,060 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 513) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L853 garLoopResultBuilder]: At program point L174(lines 170 492) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 475) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 451) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 421) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 407 421) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L440-2(lines 440 451) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 490) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 501) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 512) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 542) no Hoare annotation was computed. [2021-10-13 01:22:18,061 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 542) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L853 garLoopResultBuilder]: At program point L144(lines 140 502) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 345) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 213) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 213) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 489) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 500) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 511) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L857 garLoopResultBuilder]: For program point L411(lines 411 417) no Hoare annotation was computed. [2021-10-13 01:22:18,062 INFO L853 garLoopResultBuilder]: At program point L180(lines 176 490) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)))) [2021-10-13 01:22:18,063 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 448) no Hoare annotation was computed. [2021-10-13 01:22:18,063 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 315) no Hoare annotation was computed. [2021-10-13 01:22:18,063 INFO L857 garLoopResultBuilder]: For program point L280-1(lines 280 290) no Hoare annotation was computed. [2021-10-13 01:22:18,063 INFO L860 garLoopResultBuilder]: At program point L545(lines 12 547) the Hoare annotation is: true [2021-10-13 01:22:18,063 INFO L853 garLoopResultBuilder]: At program point L314(lines 76 546) the Hoare annotation is: false [2021-10-13 01:22:18,063 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 488) no Hoare annotation was computed. [2021-10-13 01:22:18,063 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 499) no Hoare annotation was computed. [2021-10-13 01:22:18,063 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 510) no Hoare annotation was computed. [2021-10-13 01:22:18,063 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 219) no Hoare annotation was computed. [2021-10-13 01:22:18,063 INFO L853 garLoopResultBuilder]: At program point L150(lines 146 500) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse3 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-13 01:22:18,064 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2021-10-13 01:22:18,064 INFO L853 garLoopResultBuilder]: At program point L481(lines 98 534) the Hoare annotation is: (let ((.cse6 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse7 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse4 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4352)) (.cse9 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (.cse10 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse11 (<= ULTIMATE.start_ssl3_connect_~s__state~0 3)) (.cse8 (= 4512 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse3 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1) (and .cse2 .cse3) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (and .cse4 .cse5 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and (= ULTIMATE.start_ssl3_connect_~s__state~0 4384) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1)) (and (= 4464 ULTIMATE.start_ssl3_connect_~s__state~0) .cse0 .cse1) (and (= ULTIMATE.start_ssl3_connect_~s__state~0 4480) .cse0 .cse1) (and .cse6 .cse7 .cse3) (and .cse3 .cse8) (and .cse6 .cse7 .cse9 .cse10 .cse0 .cse1) (and .cse4 .cse5 .cse9 .cse10 .cse0 .cse1) (and .cse3 .cse10 .cse11) (and .cse2 .cse0 .cse1) (and .cse10 .cse1 .cse11) (and .cse8 .cse0 .cse1) (and (= 4496 ULTIMATE.start_ssl3_connect_~s__state~0) .cse0 .cse1) (and .cse3 .cse0))) [2021-10-13 01:22:18,064 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2021-10-13 01:22:18,064 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 252) no Hoare annotation was computed. [2021-10-13 01:22:18,064 INFO L857 garLoopResultBuilder]: For program point L250-2(lines 201 480) no Hoare annotation was computed. [2021-10-13 01:22:18,064 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-10-13 01:22:18,064 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:22:18,064 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 201 480) no Hoare annotation was computed. [2021-10-13 01:22:18,070 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 286) no Hoare annotation was computed. [2021-10-13 01:22:18,070 INFO L857 garLoopResultBuilder]: For program point L284-2(lines 282 290) no Hoare annotation was computed. [2021-10-13 01:22:18,071 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 487) no Hoare annotation was computed. [2021-10-13 01:22:18,071 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 498) no Hoare annotation was computed. [2021-10-13 01:22:18,071 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 509) no Hoare annotation was computed. [2021-10-13 01:22:18,071 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 532) no Hoare annotation was computed. [2021-10-13 01:22:18,072 INFO L853 garLoopResultBuilder]: At program point L186(lines 182 488) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)))) [2021-10-13 01:22:18,072 INFO L853 garLoopResultBuilder]: At program point L120(lines 116 510) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-13 01:22:18,072 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 89) no Hoare annotation was computed. [2021-10-13 01:22:18,072 INFO L857 garLoopResultBuilder]: For program point L87-2(lines 84 90) no Hoare annotation was computed. [2021-10-13 01:22:18,072 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 531) no Hoare annotation was computed. [2021-10-13 01:22:18,072 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 354) no Hoare annotation was computed. [2021-10-13 01:22:18,073 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 523) no Hoare annotation was computed. [2021-10-13 01:22:18,073 INFO L857 garLoopResultBuilder]: For program point L518-2(lines 517 531) no Hoare annotation was computed. [2021-10-13 01:22:18,073 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 486) no Hoare annotation was computed. [2021-10-13 01:22:18,073 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 497) no Hoare annotation was computed. [2021-10-13 01:22:18,073 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 508) no Hoare annotation was computed. [2021-10-13 01:22:18,073 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 233) no Hoare annotation was computed. [2021-10-13 01:22:18,073 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 201 480) no Hoare annotation was computed. [2021-10-13 01:22:18,074 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 522) no Hoare annotation was computed. [2021-10-13 01:22:18,074 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:22:18,074 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 361) no Hoare annotation was computed. [2021-10-13 01:22:18,074 INFO L857 garLoopResultBuilder]: For program point L356-2(lines 356 361) no Hoare annotation was computed. [2021-10-13 01:22:18,074 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 227) no Hoare annotation was computed. [2021-10-13 01:22:18,075 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 485) no Hoare annotation was computed. [2021-10-13 01:22:18,075 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 496) no Hoare annotation was computed. [2021-10-13 01:22:18,075 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 507) no Hoare annotation was computed. [2021-10-13 01:22:18,075 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 96) no Hoare annotation was computed. [2021-10-13 01:22:18,076 INFO L857 garLoopResultBuilder]: For program point L456-1(lines 456 458) no Hoare annotation was computed. [2021-10-13 01:22:18,076 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 260) no Hoare annotation was computed. [2021-10-13 01:22:18,078 INFO L853 garLoopResultBuilder]: At program point L192(lines 188 486) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse4 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse3 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse3) (and .cse4 .cse0 .cse1) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0) (and .cse4 .cse0 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse3))) [2021-10-13 01:22:18,078 INFO L853 garLoopResultBuilder]: At program point L126(lines 122 508) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-13 01:22:18,078 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 95) no Hoare annotation was computed. [2021-10-13 01:22:18,079 INFO L860 garLoopResultBuilder]: At program point L556(lines 548 558) the Hoare annotation is: true [2021-10-13 01:22:18,079 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 327) no Hoare annotation was computed. [2021-10-13 01:22:18,079 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 201 480) no Hoare annotation was computed. [2021-10-13 01:22:18,079 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:22:18,079 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 395) no Hoare annotation was computed. [2021-10-13 01:22:18,079 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 484) no Hoare annotation was computed. [2021-10-13 01:22:18,079 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 495) no Hoare annotation was computed. [2021-10-13 01:22:18,080 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 506) no Hoare annotation was computed. [2021-10-13 01:22:18,080 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 529) no Hoare annotation was computed. [2021-10-13 01:22:18,080 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed. [2021-10-13 01:22:18,080 INFO L853 garLoopResultBuilder]: At program point L195(lines 194 484) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse4 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4352))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse4) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1))) [2021-10-13 01:22:18,080 INFO L853 garLoopResultBuilder]: At program point L162(lines 152 498) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-13 01:22:18,080 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 429) no Hoare annotation was computed. [2021-10-13 01:22:18,081 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 483) no Hoare annotation was computed. [2021-10-13 01:22:18,081 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 494) no Hoare annotation was computed. [2021-10-13 01:22:18,081 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 505) no Hoare annotation was computed. [2021-10-13 01:22:18,081 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 76 546) no Hoare annotation was computed. [2021-10-13 01:22:18,081 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:22:18,081 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-10-13 01:22:18,081 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2021-10-13 01:22:18,082 INFO L857 garLoopResultBuilder]: For program point L462-2(lines 462 464) no Hoare annotation was computed. [2021-10-13 01:22:18,082 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 299) no Hoare annotation was computed. [2021-10-13 01:22:18,082 INFO L857 garLoopResultBuilder]: For program point L297-2(lines 201 480) no Hoare annotation was computed. [2021-10-13 01:22:18,082 INFO L860 garLoopResultBuilder]: At program point L198(lines 197 483) the Hoare annotation is: true [2021-10-13 01:22:18,082 INFO L853 garLoopResultBuilder]: At program point L132(lines 128 506) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-13 01:22:18,082 INFO L857 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2021-10-13 01:22:18,083 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-10-13 01:22:18,083 INFO L857 garLoopResultBuilder]: For program point L430-2(lines 430 434) no Hoare annotation was computed. [2021-10-13 01:22:18,083 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-10-13 01:22:18,083 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 267) no Hoare annotation was computed. [2021-10-13 01:22:18,083 INFO L857 garLoopResultBuilder]: For program point L331-2(lines 331 335) no Hoare annotation was computed. [2021-10-13 01:22:18,083 INFO L857 garLoopResultBuilder]: For program point L265-2(lines 201 480) no Hoare annotation was computed. [2021-10-13 01:22:18,083 INFO L860 garLoopResultBuilder]: At program point L200(lines 199 483) the Hoare annotation is: true [2021-10-13 01:22:18,084 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 493) no Hoare annotation was computed. [2021-10-13 01:22:18,084 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 504) no Hoare annotation was computed. [2021-10-13 01:22:18,084 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 515) no Hoare annotation was computed. [2021-10-13 01:22:18,089 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:22:18,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:22:18 BoogieIcfgContainer [2021-10-13 01:22:18,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:22:18,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:22:18,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:22:18,135 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:22:18,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:57" (3/4) ... [2021-10-13 01:22:18,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:22:18,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 01:22:18,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 01:22:18,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:22:18,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:22:18,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:22:18,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:22:18,308 INFO L168 Benchmark]: Toolchain (without parser) took 22548.06 ms. Allocated memory was 104.9 MB in the beginning and 633.3 MB in the end (delta: 528.5 MB). Free memory was 63.1 MB in the beginning and 202.2 MB in the end (delta: -139.1 MB). Peak memory consumption was 390.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:18,309 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:22:18,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.49 ms. Allocated memory is still 104.9 MB. Free memory was 62.9 MB in the beginning and 75.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:18,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.98 ms. Allocated memory is still 104.9 MB. Free memory was 75.7 MB in the beginning and 73.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:18,310 INFO L168 Benchmark]: Boogie Preprocessor took 54.71 ms. Allocated memory is still 104.9 MB. Free memory was 73.0 MB in the beginning and 70.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:18,311 INFO L168 Benchmark]: RCFGBuilder took 873.07 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 44.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:18,311 INFO L168 Benchmark]: TraceAbstraction took 21002.98 ms. Allocated memory was 104.9 MB in the beginning and 633.3 MB in the end (delta: 528.5 MB). Free memory was 43.6 MB in the beginning and 211.6 MB in the end (delta: -168.1 MB). Peak memory consumption was 392.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:18,312 INFO L168 Benchmark]: Witness Printer took 171.91 ms. Allocated memory is still 633.3 MB. Free memory was 211.6 MB in the beginning and 202.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:18,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 374.49 ms. Allocated memory is still 104.9 MB. Free memory was 62.9 MB in the beginning and 75.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.98 ms. Allocated memory is still 104.9 MB. Free memory was 75.7 MB in the beginning and 73.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.71 ms. Allocated memory is still 104.9 MB. Free memory was 73.0 MB in the beginning and 70.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 873.07 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 44.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21002.98 ms. Allocated memory was 104.9 MB in the beginning and 633.3 MB in the end (delta: 528.5 MB). Free memory was 43.6 MB in the beginning and 211.6 MB in the end (delta: -168.1 MB). Peak memory consumption was 392.5 MB. Max. memory is 16.1 GB. * Witness Printer took 171.91 ms. Allocated memory is still 633.3 MB. Free memory was 211.6 MB in the beginning and 202.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 544]: 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, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20897.7ms, OverallIterations: 26, TraceHistogramMax: 18, EmptinessCheckTime: 246.2ms, AutomataDifference: 5025.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2540.9ms, InitialAbstractionConstructionTime: 13.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5281 SDtfs, 1771 SDslu, 2969 SDs, 0 SdLazy, 2491 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2017.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1869 GetRequests, 1833 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 94.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14250occurred in iteration=24, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2851.5ms AutomataMinimizationTime, 26 MinimizatonAttempts, 6791 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 522 NumberOfFragments, 805 HoareAnnotationTreeSize, 22 FomulaSimplifications, 36330 FormulaSimplificationTreeSizeReduction, 1165.7ms HoareSimplificationTime, 22 FomulaSimplificationsInter, 3784 FormulaSimplificationTreeSizeReductionInter, 1355.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 250.5ms SsaConstructionTime, 1021.4ms SatisfiabilityAnalysisTime, 5904.1ms InterpolantComputationTime, 7041 NumberOfCodeBlocks, 7041 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 7010 ConstructedInterpolants, 0 QuantifiedInterpolants, 9594 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3290 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 31 InterpolantComputations, 23 PerfectInterpolantSequences, 23227/23311 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: 176]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || ((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state)) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 1) || (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0)) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__s3__tmp__next_state___0 <= 3) || ((((4352 <= s__state && s__state <= 4352) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__hit == 0)) || (((((4352 <= s__state && s__state <= 4352) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((4352 <= s__state && blastFlag == 0) && s__state <= 4352) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((((((s__hit == 0 && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms) || (s__state == 4528 && blastFlag == 2)) || blastFlag == 0) || (((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 4384 && blastFlag == 1)) || ((4464 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state == 4480 && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag == 2)) || (blastFlag == 2 && 4512 == s__state)) || (((((s__state <= 4560 && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((((4352 <= s__state && s__state <= 4352) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((blastFlag == 2 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 3)) || ((s__state == 4528 && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__s3__tmp__next_state___0 <= 4560 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 3)) || ((4512 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((4496 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (blastFlag == 2 && s__hit == 0) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((4560 <= s__state && blastFlag == 2) && s__hit == 0) || (((4560 <= s__state && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag == 2)) || (blastFlag == 0 && 4560 <= s__state)) || ((((s__state <= 4560 && 4560 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((4560 <= s__state && blastFlag == 2) && s__hit == 0) || (((4560 <= s__state && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || (blastFlag == 0 && 4560 <= s__state) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((s__state <= 4560 && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) || (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0)) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || ((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state)) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((s__hit == 0 && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms) || blastFlag == 0) || (blastFlag == 2 && s__hit == 0) RESULT: Ultimate proved your program to be correct! [2021-10-13 01:22:18,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7d338-9eef-46c8-b1d6-18064bf437fd/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...