./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC --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 c45c2e72fe5956609ac14f38b7bc5b3490c2942a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:17,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:17,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:17,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:17,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:17,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:17,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:18,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:18,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:18,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:18,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:18,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:18,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:18,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:18,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:18,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:18,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:18,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:18,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:18,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:18,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:18,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:18,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:18,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:18,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:18,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:18,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:18,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:18,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:18,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:18,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:18,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:18,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:18,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:18,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:18,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:18,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:18,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:18,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:18,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:18,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:18,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:26:18,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:18,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:18,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:18,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:18,113 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:18,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:18,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:26:18,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:18,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:26:18,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:18,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:26:18,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:26:18,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:26:18,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:26:18,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:18,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:18,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:26:18,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:18,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:18,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:26:18,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:18,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:18,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:26:18,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:26:18,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:18,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:26:18,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:26:18,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:18,119 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_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45c2e72fe5956609ac14f38b7bc5b3490c2942a [2021-10-11 00:26:18,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:18,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:18,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:18,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:18,507 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:18,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2021-10-11 00:26:18,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/data/22bcd181a/07786277d7454e8688cfe65630b42bfe/FLAG8d667afcc [2021-10-11 00:26:19,235 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:19,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2021-10-11 00:26:19,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/data/22bcd181a/07786277d7454e8688cfe65630b42bfe/FLAG8d667afcc [2021-10-11 00:26:19,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/data/22bcd181a/07786277d7454e8688cfe65630b42bfe [2021-10-11 00:26:19,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:19,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:19,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:19,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:19,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:19,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57764183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:19, skipping insertion in model container [2021-10-11 00:26:19,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:19" (1/1) ... [2021-10-11 00:26:19,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:19,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:19,941 WARN L226 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_b9983704-3bc7-46ea-bb4e-2d281543737c/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c[37274,37287] [2021-10-11 00:26:19,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:19,959 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:20,045 WARN L226 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_b9983704-3bc7-46ea-bb4e-2d281543737c/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c[37274,37287] [2021-10-11 00:26:20,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:20,074 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:20,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20 WrapperNode [2021-10-11 00:26:20,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:20,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:20,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:20,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:20,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:20,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:20,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:20,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:20,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... [2021-10-11 00:26:20,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:20,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:20,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:20,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:20,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:26:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:26:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:20,631 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 00:26:21,164 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-11 00:26:21,164 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-11 00:26:21,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:21,174 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:26:21,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:21 BoogieIcfgContainer [2021-10-11 00:26:21,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:21,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:26:21,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:26:21,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:26:21,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:26:19" (1/3) ... [2021-10-11 00:26:21,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665f8b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:21, skipping insertion in model container [2021-10-11 00:26:21,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:20" (2/3) ... [2021-10-11 00:26:21,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665f8b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:21, skipping insertion in model container [2021-10-11 00:26:21,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:21" (3/3) ... [2021-10-11 00:26:21,187 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2021-10-11 00:26:21,201 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:26:21,205 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:26:21,217 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:26:21,260 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:26:21,260 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:26:21,260 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:26:21,260 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:21,261 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:21,261 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:26:21,261 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:21,261 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:26:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2021-10-11 00:26:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:26:21,287 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:21,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:21,288 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:21,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:21,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times [2021-10-11 00:26:21,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:21,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023728385] [2021-10-11 00:26:21,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:21,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023728385] [2021-10-11 00:26:21,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:21,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:21,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550347731] [2021-10-11 00:26:21,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:21,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:21,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:21,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:21,541 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2021-10-11 00:26:21,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:21,794 INFO L93 Difference]: Finished difference Result 252 states and 427 transitions. [2021-10-11 00:26:21,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:21,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:26:21,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:21,819 INFO L225 Difference]: With dead ends: 252 [2021-10-11 00:26:21,819 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 00:26:21,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:21,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 00:26:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-11 00:26:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 00:26:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2021-10-11 00:26:21,892 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24 [2021-10-11 00:26:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:21,893 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2021-10-11 00:26:21,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2021-10-11 00:26:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:26:21,897 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:21,897 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:21,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:26:21,898 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:21,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:21,901 INFO L82 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times [2021-10-11 00:26:21,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:21,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942040199] [2021-10-11 00:26:21,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:22,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942040199] [2021-10-11 00:26:22,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:22,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:22,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685805902] [2021-10-11 00:26:22,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:22,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:22,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:22,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:22,015 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand 3 states. [2021-10-11 00:26:22,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:22,201 INFO L93 Difference]: Finished difference Result 238 states and 360 transitions. [2021-10-11 00:26:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:22,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-10-11 00:26:22,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:22,208 INFO L225 Difference]: With dead ends: 238 [2021-10-11 00:26:22,208 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 00:26:22,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 00:26:22,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2021-10-11 00:26:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-10-11 00:26:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions. [2021-10-11 00:26:22,238 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37 [2021-10-11 00:26:22,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:22,239 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions. [2021-10-11 00:26:22,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2021-10-11 00:26:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:26:22,246 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:22,247 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:22,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:26:22,248 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:22,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:22,249 INFO L82 PathProgramCache]: Analyzing trace with hash 356453796, now seen corresponding path program 1 times [2021-10-11 00:26:22,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:22,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644786182] [2021-10-11 00:26:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:26:22,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644786182] [2021-10-11 00:26:22,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:22,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:22,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507769365] [2021-10-11 00:26:22,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:22,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:22,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:22,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:22,353 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand 3 states. [2021-10-11 00:26:22,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:22,532 INFO L93 Difference]: Finished difference Result 272 states and 408 transitions. [2021-10-11 00:26:22,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:22,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-10-11 00:26:22,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:22,535 INFO L225 Difference]: With dead ends: 272 [2021-10-11 00:26:22,535 INFO L226 Difference]: Without dead ends: 152 [2021-10-11 00:26:22,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:22,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-10-11 00:26:22,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2021-10-11 00:26:22,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2021-10-11 00:26:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2021-10-11 00:26:22,546 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51 [2021-10-11 00:26:22,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:22,546 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2021-10-11 00:26:22,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-10-11 00:26:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-11 00:26:22,548 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:22,549 INFO L422 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] [2021-10-11 00:26:22,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:26:22,549 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:22,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:22,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1238030766, now seen corresponding path program 1 times [2021-10-11 00:26:22,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:22,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994471204] [2021-10-11 00:26:22,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-11 00:26:22,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994471204] [2021-10-11 00:26:22,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:22,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:22,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654165560] [2021-10-11 00:26:22,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:22,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:22,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:22,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:22,633 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand 3 states. [2021-10-11 00:26:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:22,907 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions. [2021-10-11 00:26:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:22,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-10-11 00:26:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:22,910 INFO L225 Difference]: With dead ends: 335 [2021-10-11 00:26:22,910 INFO L226 Difference]: Without dead ends: 197 [2021-10-11 00:26:22,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:22,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-11 00:26:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2021-10-11 00:26:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-10-11 00:26:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2021-10-11 00:26:22,935 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68 [2021-10-11 00:26:22,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:22,936 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2021-10-11 00:26:22,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2021-10-11 00:26:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-11 00:26:22,938 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:22,938 INFO L422 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] [2021-10-11 00:26:22,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:26:22,939 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:22,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:22,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1251498196, now seen corresponding path program 1 times [2021-10-11 00:26:22,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:22,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210897888] [2021-10-11 00:26:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-11 00:26:23,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210897888] [2021-10-11 00:26:23,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:23,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:23,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920040204] [2021-10-11 00:26:23,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:23,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:23,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:23,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,017 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 3 states. [2021-10-11 00:26:23,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:23,198 INFO L93 Difference]: Finished difference Result 390 states and 555 transitions. [2021-10-11 00:26:23,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:23,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-10-11 00:26:23,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:23,200 INFO L225 Difference]: With dead ends: 390 [2021-10-11 00:26:23,201 INFO L226 Difference]: Without dead ends: 212 [2021-10-11 00:26:23,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-11 00:26:23,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-10-11 00:26:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2021-10-11 00:26:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2021-10-11 00:26:23,227 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68 [2021-10-11 00:26:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:23,228 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2021-10-11 00:26:23,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2021-10-11 00:26:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-11 00:26:23,231 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:23,231 INFO L422 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, 1] [2021-10-11 00:26:23,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:26:23,231 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:23,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1821092144, now seen corresponding path program 1 times [2021-10-11 00:26:23,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:23,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060378915] [2021-10-11 00:26:23,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-11 00:26:23,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060378915] [2021-10-11 00:26:23,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:23,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:23,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042370947] [2021-10-11 00:26:23,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:23,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:23,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:23,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,353 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand 3 states. [2021-10-11 00:26:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:23,544 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions. [2021-10-11 00:26:23,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:23,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-10-11 00:26:23,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:23,547 INFO L225 Difference]: With dead ends: 428 [2021-10-11 00:26:23,547 INFO L226 Difference]: Without dead ends: 231 [2021-10-11 00:26:23,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-10-11 00:26:23,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2021-10-11 00:26:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 00:26:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2021-10-11 00:26:23,560 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85 [2021-10-11 00:26:23,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:23,561 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2021-10-11 00:26:23,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2021-10-11 00:26:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-11 00:26:23,564 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:23,564 INFO L422 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] [2021-10-11 00:26:23,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:26:23,564 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:23,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:23,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1901861672, now seen corresponding path program 1 times [2021-10-11 00:26:23,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:23,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356873443] [2021-10-11 00:26:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-11 00:26:23,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356873443] [2021-10-11 00:26:23,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:23,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:23,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494103345] [2021-10-11 00:26:23,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:23,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:23,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:23,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,678 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand 3 states. [2021-10-11 00:26:23,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:23,727 INFO L93 Difference]: Finished difference Result 661 states and 912 transitions. [2021-10-11 00:26:23,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:23,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-10-11 00:26:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:23,732 INFO L225 Difference]: With dead ends: 661 [2021-10-11 00:26:23,733 INFO L226 Difference]: Without dead ends: 443 [2021-10-11 00:26:23,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-10-11 00:26:23,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-10-11 00:26:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-10-11 00:26:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions. [2021-10-11 00:26:23,756 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 105 [2021-10-11 00:26:23,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:23,757 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions. [2021-10-11 00:26:23,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2021-10-11 00:26:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-11 00:26:23,762 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:23,762 INFO L422 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] [2021-10-11 00:26:23,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:26:23,763 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:23,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:23,764 INFO L82 PathProgramCache]: Analyzing trace with hash 837467901, now seen corresponding path program 1 times [2021-10-11 00:26:23,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:23,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900812019] [2021-10-11 00:26:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-11 00:26:23,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900812019] [2021-10-11 00:26:23,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:23,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:23,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364336306] [2021-10-11 00:26:23,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:23,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:23,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:23,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,899 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand 3 states. [2021-10-11 00:26:23,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:23,954 INFO L93 Difference]: Finished difference Result 897 states and 1226 transitions. [2021-10-11 00:26:23,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:23,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-10-11 00:26:23,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:23,959 INFO L225 Difference]: With dead ends: 897 [2021-10-11 00:26:23,959 INFO L226 Difference]: Without dead ends: 464 [2021-10-11 00:26:23,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:23,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2021-10-11 00:26:23,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2021-10-11 00:26:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2021-10-11 00:26:23,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 633 transitions. [2021-10-11 00:26:23,977 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 633 transitions. Word has length 106 [2021-10-11 00:26:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:23,977 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 633 transitions. [2021-10-11 00:26:23,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 633 transitions. [2021-10-11 00:26:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-11 00:26:23,980 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:23,980 INFO L422 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] [2021-10-11 00:26:23,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:26:23,981 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:23,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:23,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1077707647, now seen corresponding path program 1 times [2021-10-11 00:26:23,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:23,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526670596] [2021-10-11 00:26:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:24,053 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-11 00:26:24,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526670596] [2021-10-11 00:26:24,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:24,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:24,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831433989] [2021-10-11 00:26:24,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:24,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:24,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:24,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:24,056 INFO L87 Difference]: Start difference. First operand 464 states and 633 transitions. Second operand 3 states. [2021-10-11 00:26:24,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:24,098 INFO L93 Difference]: Finished difference Result 945 states and 1287 transitions. [2021-10-11 00:26:24,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:24,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-10-11 00:26:24,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:24,104 INFO L225 Difference]: With dead ends: 945 [2021-10-11 00:26:24,104 INFO L226 Difference]: Without dead ends: 491 [2021-10-11 00:26:24,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-10-11 00:26:24,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-10-11 00:26:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2021-10-11 00:26:24,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 667 transitions. [2021-10-11 00:26:24,129 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 667 transitions. Word has length 106 [2021-10-11 00:26:24,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:24,130 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 667 transitions. [2021-10-11 00:26:24,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:24,136 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 667 transitions. [2021-10-11 00:26:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-11 00:26:24,139 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:24,139 INFO L422 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, 1] [2021-10-11 00:26:24,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:26:24,140 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:24,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:24,142 INFO L82 PathProgramCache]: Analyzing trace with hash -2015927886, now seen corresponding path program 1 times [2021-10-11 00:26:24,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:24,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118411209] [2021-10-11 00:26:24,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:24,221 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:24,287 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:24,371 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:24,371 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:26:24,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:26:24,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:26:24 BoogieIcfgContainer [2021-10-11 00:26:24,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:26:24,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:24,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:24,516 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:24,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:21" (3/4) ... [2021-10-11 00:26:24,522 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:26:24,677 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9983704-3bc7-46ea-bb4e-2d281543737c/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:26:24,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:24,680 INFO L168 Benchmark]: Toolchain (without parser) took 5124.37 ms. Allocated memory was 98.6 MB in the beginning and 153.1 MB in the end (delta: 54.5 MB). Free memory was 65.2 MB in the beginning and 68.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:24,680 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 98.6 MB. Free memory was 70.5 MB in the beginning and 70.5 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:24,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.12 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 72.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:24,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.10 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 68.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:24,682 INFO L168 Benchmark]: Boogie Preprocessor took 82.10 ms. Allocated memory is still 98.6 MB. Free memory was 68.8 MB in the beginning and 66.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:24,682 INFO L168 Benchmark]: RCFGBuilder took 918.08 ms. Allocated memory is still 98.6 MB. Free memory was 66.6 MB in the beginning and 58.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:24,683 INFO L168 Benchmark]: TraceAbstraction took 3338.08 ms. Allocated memory was 98.6 MB in the beginning and 153.1 MB in the end (delta: 54.5 MB). Free memory was 58.5 MB in the beginning and 83.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:24,684 INFO L168 Benchmark]: Witness Printer took 161.58 ms. Allocated memory is still 153.1 MB. Free memory was 83.4 MB in the beginning and 68.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:24,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 98.6 MB. Free memory was 70.5 MB in the beginning and 70.5 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.12 ms. Allocated memory is still 98.6 MB. Free memory was 65.2 MB in the beginning and 72.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.10 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 68.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.10 ms. Allocated memory is still 98.6 MB. Free memory was 68.8 MB in the beginning and 66.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 918.08 ms. Allocated memory is still 98.6 MB. Free memory was 66.6 MB in the beginning and 58.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3338.08 ms. Allocated memory was 98.6 MB in the beginning and 153.1 MB in the end (delta: 54.5 MB). Free memory was 58.5 MB in the beginning and 83.4 MB in the end (delta: -24.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * Witness Printer took 161.58 ms. Allocated memory is still 153.1 MB. Free memory was 83.4 MB in the beginning and 68.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 575]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L580] int s ; [L584] s = 12292 [L14] int s__info_callback = __VERIFIER_nondet_int() ; [L15] int s__in_handshake = __VERIFIER_nondet_int() ; [L16] int s__state ; [L17] int s__new_session ; [L18] int s__server ; [L19] int s__version = __VERIFIER_nondet_int() ; [L20] int s__type ; [L21] int s__init_num ; [L22] int s__bbio = __VERIFIER_nondet_int() ; [L23] int s__wbio = __VERIFIER_nondet_int() ; [L24] int s__hit = __VERIFIER_nondet_int() ; [L25] int s__rwstate ; [L26] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L27] int s__debug = __VERIFIER_nondet_int() ; [L28] int s__shutdown ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L34] int s__s3__change_cipher_spec ; [L35] int s__s3__flags = __VERIFIER_nondet_int() ; [L36] int s__s3__delay_buf_pop_ret ; [L37] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L41] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L42] int s__s3__tmp__next_state___0 ; [L43] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L44] int s__session__cipher ; [L45] int s__session__compress_meth ; [L46] int buf ; [L47] unsigned long tmp ; [L48] unsigned long l ; [L49] int num1 = __VERIFIER_nondet_int() ; [L50] int cb ; [L51] int ret ; [L52] int new_state ; [L53] int state ; [L54] int skip ; [L55] int tmp___0 ; [L56] int tmp___1 = __VERIFIER_nondet_int() ; [L57] int tmp___2 = __VERIFIER_nondet_int() ; [L58] int tmp___3 = __VERIFIER_nondet_int() ; [L59] int tmp___4 = __VERIFIER_nondet_int() ; [L60] int tmp___5 = __VERIFIER_nondet_int() ; [L61] int tmp___6 = __VERIFIER_nondet_int() ; [L62] int tmp___7 = __VERIFIER_nondet_int() ; [L63] int tmp___8 = __VERIFIER_nondet_int() ; [L64] int tmp___9 = __VERIFIER_nondet_int() ; [L65] int blastFlag ; [L66] int __cil_tmp55 ; [L67] void *__cil_tmp56 ; [L68] unsigned long __cil_tmp57 ; [L69] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L70] void *__cil_tmp59 ; [L71] unsigned long __cil_tmp60 ; [L72] unsigned long __cil_tmp61 ; [L73] unsigned long __cil_tmp62 ; [L74] unsigned long __cil_tmp63 ; [L75] unsigned long __cil_tmp64 ; [L76] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L77] long __cil_tmp66 ; [L78] long __cil_tmp67 ; [L79] long __cil_tmp68 ; [L80] long __cil_tmp69 ; [L81] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L82] long __cil_tmp71 ; [L83] long __cil_tmp72 ; [L84] long __cil_tmp73 ; [L85] long __cil_tmp74 ; [L89] s__state = initial_state [L90] blastFlag = 0 [L91] tmp = __VERIFIER_nondet_int() [L92] cb = 0 [L93] ret = -1 [L94] skip = 0 [L95] tmp___0 = 0 [L96] COND TRUE s__info_callback != 0 [L97] cb = s__info_callback [L103] s__in_handshake ++ [L104] COND FALSE !(tmp___1 + 12288) [L110] COND TRUE 1 [L112] state = s__state [L113] COND TRUE s__state == 12292 [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate ++ [L222] s__server = 0 [L223] COND TRUE cb != 0 [L227] __cil_tmp55 = s__version + 65280 [L228] COND FALSE !(__cil_tmp55 != 768) [L233] s__type = 4096 [L235] __cil_tmp56 = (void *)0 [L236] __cil_tmp57 = (unsigned long )__cil_tmp56 [L237] __cil_tmp58 = (unsigned long )s__init_buf___0 [L238] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L256] COND FALSE !(! tmp___4) [L260] COND FALSE !(! tmp___5) [L264] s__state = 4368 [L265] s__ctx__stats__sess_connect ++ [L266] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND TRUE s__state == 4368 [L270] s__shutdown = 0 [L271] ret = __VERIFIER_nondet_int() [L272] COND TRUE blastFlag == 0 [L273] blastFlag = 1 [L275] COND FALSE !(ret <= 0) [L278] s__state = 4384 [L279] s__init_num = 0 [L281] __cil_tmp62 = (unsigned long )s__wbio [L282] __cil_tmp63 = (unsigned long )s__bbio [L283] COND TRUE __cil_tmp63 != __cil_tmp62 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND TRUE s__state == 4384 [L290] ret = __VERIFIER_nondet_int() [L291] COND TRUE blastFlag == 1 [L292] blastFlag = 2 [L298] COND FALSE !(ret <= 0) [L301] COND FALSE !(\read(s__hit)) [L304] s__state = 4400 [L306] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND TRUE s__state == 4400 [L311] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L312] COND FALSE !(__cil_tmp64 + 256UL) [L315] ret = __VERIFIER_nondet_int() [L316] COND TRUE blastFlag == 2 [L317] blastFlag = 3 [L319] COND FALSE !(ret <= 0) [L324] s__state = 4416 [L325] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND FALSE !(s__state == 4400) [L143] COND FALSE !(s__state == 4401) [L146] COND TRUE s__state == 4416 [L329] ret = __VERIFIER_nondet_int() [L330] COND TRUE blastFlag == 3 [L331] blastFlag = 4 [L333] COND FALSE !(ret <= 0) [L336] s__state = 4432 [L337] s__init_num = 0 [L338] COND FALSE !(! tmp___6) [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND FALSE !(s__state == 4400) [L143] COND FALSE !(s__state == 4401) [L146] COND FALSE !(s__state == 4416) [L149] COND FALSE !(s__state == 4417) [L152] COND TRUE s__state == 4432 [L345] ret = __VERIFIER_nondet_int() [L346] COND TRUE blastFlag == 4 [L575] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1631 SDtfs, 275 SDslu, 970 SDs, 0 SdLazy, 642 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 757 NumberOfCodeBlocks, 757 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 641 ConstructedInterpolants, 0 QuantifiedInterpolants, 79489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 586/586 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...