./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:20:00,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:20:00,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:20:00,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:20:00,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:20:00,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:20:00,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:20:00,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:20:00,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:20:00,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:20:00,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:20:00,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:20:00,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:20:00,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:20:00,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:20:00,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:20:00,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:20:00,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:20:00,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:20:00,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:20:00,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:20:00,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:20:00,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:20:00,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:20:00,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:20:00,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:20:00,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:20:00,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:20:00,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:20:00,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:20:00,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:20:00,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:20:00,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:20:00,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:20:00,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:20:00,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:20:00,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:20:00,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:20:00,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:20:00,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:20:00,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:20:00,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:20:00,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:20:00,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:20:00,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:20:00,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:20:00,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:20:00,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:20:00,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:20:00,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:20:00,913 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:20:00,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:20:00,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:20:00,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:20:00,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:20:00,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:20:00,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:20:00,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:20:00,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:20:00,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:20:00,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:20:00,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:20:00,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:20:00,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:20:00,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:20:00,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:20:00,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:20:00,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:20:00,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:20:00,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:20:00,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:20:00,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:20:00,917 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:20:00,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:20:00,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:20:00,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:20:00,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 [2021-12-21 10:20:01,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:20:01,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:20:01,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:20:01,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:20:01,143 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:20:01,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2021-12-21 10:20:01,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cea6059/7f23fa412712433f8e625c3939381916/FLAG31a1199a8 [2021-12-21 10:20:01,626 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:20:01,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2021-12-21 10:20:01,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cea6059/7f23fa412712433f8e625c3939381916/FLAG31a1199a8 [2021-12-21 10:20:01,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cea6059/7f23fa412712433f8e625c3939381916 [2021-12-21 10:20:01,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:20:01,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:20:01,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:20:01,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:20:01,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:20:01,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:20:01" (1/1) ... [2021-12-21 10:20:01,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ba4a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:01, skipping insertion in model container [2021-12-21 10:20:01,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:20:01" (1/1) ... [2021-12-21 10:20:01,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:20:01,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:20:01,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c[45163,45176] [2021-12-21 10:20:02,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:20:02,022 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:20:02,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c[45163,45176] [2021-12-21 10:20:02,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:20:02,108 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:20:02,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02 WrapperNode [2021-12-21 10:20:02,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:20:02,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:20:02,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:20:02,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:20:02,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,171 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 562 [2021-12-21 10:20:02,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:20:02,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:20:02,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:20:02,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:20:02,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:20:02,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:20:02,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:20:02,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:20:02,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (1/1) ... [2021-12-21 10:20:02,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:20:02,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:20:02,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 10:20:02,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 10:20:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:20:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:20:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:20:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:20:02,398 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:20:02,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:20:02,426 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 10:20:02,975 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-21 10:20:02,976 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-21 10:20:02,976 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:20:02,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:20:02,982 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 10:20:02,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:20:02 BoogieIcfgContainer [2021-12-21 10:20:02,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:20:02,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:20:02,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:20:02,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:20:02,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:20:01" (1/3) ... [2021-12-21 10:20:02,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3804095d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:20:02, skipping insertion in model container [2021-12-21 10:20:02,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:02" (2/3) ... [2021-12-21 10:20:02,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3804095d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:20:02, skipping insertion in model container [2021-12-21 10:20:02,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:20:02" (3/3) ... [2021-12-21 10:20:02,991 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2021-12-21 10:20:02,995 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:20:02,995 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:20:03,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:20:03,053 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-21 10:20:03,054 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:20:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 149 states have (on average 1.74496644295302) internal successors, (260), 150 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 10:20:03,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:03,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:03,086 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:03,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:03,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1180429726, now seen corresponding path program 1 times [2021-12-21 10:20:03,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:03,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301599808] [2021-12-21 10:20:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:03,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:03,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:03,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301599808] [2021-12-21 10:20:03,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301599808] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:03,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:03,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:03,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642219113] [2021-12-21 10:20:03,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:03,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:03,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:03,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:03,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:03,383 INFO L87 Difference]: Start difference. First operand has 151 states, 149 states have (on average 1.74496644295302) internal successors, (260), 150 states have internal predecessors, (260), 0 states have call successors, (0), 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 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:03,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:03,546 INFO L93 Difference]: Finished difference Result 324 states and 556 transitions. [2021-12-21 10:20:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:03,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-12-21 10:20:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:03,557 INFO L225 Difference]: With dead ends: 324 [2021-12-21 10:20:03,558 INFO L226 Difference]: Without dead ends: 161 [2021-12-21 10:20:03,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:03,564 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 218 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:03,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 232 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-12-21 10:20:03,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2021-12-21 10:20:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.5961538461538463) internal successors, (249), 156 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 249 transitions. [2021-12-21 10:20:03,603 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 249 transitions. Word has length 23 [2021-12-21 10:20:03,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:03,604 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 249 transitions. [2021-12-21 10:20:03,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2021-12-21 10:20:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 10:20:03,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:03,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:03,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:20:03,606 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:03,607 INFO L85 PathProgramCache]: Analyzing trace with hash -932054356, now seen corresponding path program 1 times [2021-12-21 10:20:03,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:03,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348734612] [2021-12-21 10:20:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:03,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:03,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:03,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348734612] [2021-12-21 10:20:03,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348734612] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:03,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:03,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:03,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036040071] [2021-12-21 10:20:03,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:03,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:03,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:03,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:03,655 INFO L87 Difference]: Start difference. First operand 157 states and 249 transitions. 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) [2021-12-21 10:20:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:03,751 INFO L93 Difference]: Finished difference Result 331 states and 523 transitions. [2021-12-21 10:20:03,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:03,752 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 [2021-12-21 10:20:03,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:03,754 INFO L225 Difference]: With dead ends: 331 [2021-12-21 10:20:03,754 INFO L226 Difference]: Without dead ends: 182 [2021-12-21 10:20:03,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:03,756 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 182 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:03,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 174 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:03,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-12-21 10:20:03,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 180. [2021-12-21 10:20:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 1.5754189944134078) internal successors, (282), 179 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 282 transitions. [2021-12-21 10:20:03,777 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 282 transitions. Word has length 24 [2021-12-21 10:20:03,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:03,778 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 282 transitions. [2021-12-21 10:20:03,778 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) [2021-12-21 10:20:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 282 transitions. [2021-12-21 10:20:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 10:20:03,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:03,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:03,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 10:20:03,780 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:03,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:03,781 INFO L85 PathProgramCache]: Analyzing trace with hash -945010985, now seen corresponding path program 1 times [2021-12-21 10:20:03,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:03,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678232704] [2021-12-21 10:20:03,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:03,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:03,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:03,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678232704] [2021-12-21 10:20:03,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678232704] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:03,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:03,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:03,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355562426] [2021-12-21 10:20:03,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:03,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:03,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:03,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:03,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:03,825 INFO L87 Difference]: Start difference. First operand 180 states and 282 transitions. 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) [2021-12-21 10:20:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:03,921 INFO L93 Difference]: Finished difference Result 362 states and 567 transitions. [2021-12-21 10:20:03,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:03,921 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 [2021-12-21 10:20:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:03,923 INFO L225 Difference]: With dead ends: 362 [2021-12-21 10:20:03,923 INFO L226 Difference]: Without dead ends: 190 [2021-12-21 10:20:03,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:03,925 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 175 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:03,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 165 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-12-21 10:20:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 186. [2021-12-21 10:20:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.5837837837837838) internal successors, (293), 185 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 293 transitions. [2021-12-21 10:20:03,956 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 293 transitions. Word has length 24 [2021-12-21 10:20:03,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:03,956 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 293 transitions. [2021-12-21 10:20:03,957 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) [2021-12-21 10:20:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 293 transitions. [2021-12-21 10:20:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-21 10:20:03,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:03,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:03,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 10:20:03,960 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:03,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:03,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1648361961, now seen corresponding path program 1 times [2021-12-21 10:20:03,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:03,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401775389] [2021-12-21 10:20:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:03,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:04,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:04,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401775389] [2021-12-21 10:20:04,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401775389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:04,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:04,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:04,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344237639] [2021-12-21 10:20:04,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:04,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:04,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:04,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:04,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,027 INFO L87 Difference]: Start difference. First operand 186 states and 293 transitions. 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) [2021-12-21 10:20:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:04,140 INFO L93 Difference]: Finished difference Result 367 states and 577 transitions. [2021-12-21 10:20:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:04,140 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 [2021-12-21 10:20:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:04,141 INFO L225 Difference]: With dead ends: 367 [2021-12-21 10:20:04,141 INFO L226 Difference]: Without dead ends: 189 [2021-12-21 10:20:04,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,154 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 173 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:04,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 165 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:04,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-12-21 10:20:04,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2021-12-21 10:20:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.5806451612903225) internal successors, (294), 186 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 294 transitions. [2021-12-21 10:20:04,171 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 294 transitions. Word has length 24 [2021-12-21 10:20:04,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:04,171 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 294 transitions. [2021-12-21 10:20:04,171 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) [2021-12-21 10:20:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 294 transitions. [2021-12-21 10:20:04,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-21 10:20:04,173 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:04,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:04,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 10:20:04,173 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:04,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:04,174 INFO L85 PathProgramCache]: Analyzing trace with hash 688817562, now seen corresponding path program 1 times [2021-12-21 10:20:04,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:04,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739378184] [2021-12-21 10:20:04,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:04,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:04,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:04,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739378184] [2021-12-21 10:20:04,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739378184] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:04,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:04,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:04,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133333870] [2021-12-21 10:20:04,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:04,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:04,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:04,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,243 INFO L87 Difference]: Start difference. First operand 187 states and 294 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:04,372 INFO L93 Difference]: Finished difference Result 378 states and 589 transitions. [2021-12-21 10:20:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:04,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2021-12-21 10:20:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:04,374 INFO L225 Difference]: With dead ends: 378 [2021-12-21 10:20:04,374 INFO L226 Difference]: Without dead ends: 199 [2021-12-21 10:20:04,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,375 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 181 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:04,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 173 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-21 10:20:04,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 187. [2021-12-21 10:20:04,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.5698924731182795) internal successors, (292), 186 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 292 transitions. [2021-12-21 10:20:04,385 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 292 transitions. Word has length 25 [2021-12-21 10:20:04,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:04,385 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 292 transitions. [2021-12-21 10:20:04,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 292 transitions. [2021-12-21 10:20:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-21 10:20:04,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:04,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:04,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 10:20:04,387 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:04,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:04,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1643637293, now seen corresponding path program 1 times [2021-12-21 10:20:04,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:04,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260820599] [2021-12-21 10:20:04,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:04,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:04,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:04,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260820599] [2021-12-21 10:20:04,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260820599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:04,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:04,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:04,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058138341] [2021-12-21 10:20:04,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:04,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:04,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:04,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:04,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,418 INFO L87 Difference]: Start difference. First operand 187 states and 292 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:04,512 INFO L93 Difference]: Finished difference Result 378 states and 585 transitions. [2021-12-21 10:20:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:04,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2021-12-21 10:20:04,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:04,516 INFO L225 Difference]: With dead ends: 378 [2021-12-21 10:20:04,517 INFO L226 Difference]: Without dead ends: 199 [2021-12-21 10:20:04,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,521 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 179 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:04,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 174 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:04,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-21 10:20:04,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 187. [2021-12-21 10:20:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.5591397849462365) internal successors, (290), 186 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 290 transitions. [2021-12-21 10:20:04,543 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 290 transitions. Word has length 26 [2021-12-21 10:20:04,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:04,544 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 290 transitions. [2021-12-21 10:20:04,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 290 transitions. [2021-12-21 10:20:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-21 10:20:04,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:04,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:04,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 10:20:04,548 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:04,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:04,548 INFO L85 PathProgramCache]: Analyzing trace with hash 807002645, now seen corresponding path program 1 times [2021-12-21 10:20:04,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:04,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474861660] [2021-12-21 10:20:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:04,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:04,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:04,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474861660] [2021-12-21 10:20:04,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474861660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:04,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:04,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:04,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995717735] [2021-12-21 10:20:04,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:04,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:04,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:04,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:04,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,598 INFO L87 Difference]: Start difference. First operand 187 states and 290 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:04,686 INFO L93 Difference]: Finished difference Result 378 states and 581 transitions. [2021-12-21 10:20:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:04,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-12-21 10:20:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:04,688 INFO L225 Difference]: With dead ends: 378 [2021-12-21 10:20:04,688 INFO L226 Difference]: Without dead ends: 199 [2021-12-21 10:20:04,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,690 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 177 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:04,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 175 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:04,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-21 10:20:04,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 187. [2021-12-21 10:20:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.5483870967741935) internal successors, (288), 186 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 288 transitions. [2021-12-21 10:20:04,697 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 288 transitions. Word has length 27 [2021-12-21 10:20:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:04,698 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 288 transitions. [2021-12-21 10:20:04,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,698 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 288 transitions. [2021-12-21 10:20:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-21 10:20:04,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:04,699 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:04,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 10:20:04,699 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:04,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:04,700 INFO L85 PathProgramCache]: Analyzing trace with hash -583213996, now seen corresponding path program 1 times [2021-12-21 10:20:04,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:04,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157587361] [2021-12-21 10:20:04,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:04,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:04,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:04,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157587361] [2021-12-21 10:20:04,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157587361] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:04,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:04,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:04,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294040040] [2021-12-21 10:20:04,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:04,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:04,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:04,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:04,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,728 INFO L87 Difference]: Start difference. First operand 187 states and 288 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:04,745 INFO L93 Difference]: Finished difference Result 537 states and 823 transitions. [2021-12-21 10:20:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:04,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-12-21 10:20:04,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:04,747 INFO L225 Difference]: With dead ends: 537 [2021-12-21 10:20:04,748 INFO L226 Difference]: Without dead ends: 358 [2021-12-21 10:20:04,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:04,749 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 181 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:04,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 427 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:20:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-12-21 10:20:04,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2021-12-21 10:20:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.5295774647887324) internal successors, (543), 355 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 543 transitions. [2021-12-21 10:20:04,763 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 543 transitions. Word has length 27 [2021-12-21 10:20:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:04,763 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 543 transitions. [2021-12-21 10:20:04,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 543 transitions. [2021-12-21 10:20:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-21 10:20:04,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:04,765 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:04,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 10:20:04,765 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:04,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:04,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1263978570, now seen corresponding path program 1 times [2021-12-21 10:20:04,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:04,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031922536] [2021-12-21 10:20:04,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:04,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:04,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:04,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031922536] [2021-12-21 10:20:04,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031922536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:04,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:04,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:20:04,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663989140] [2021-12-21 10:20:04,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:04,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:20:04,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:04,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:20:04,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:20:04,800 INFO L87 Difference]: Start difference. First operand 356 states and 543 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:04,993 INFO L93 Difference]: Finished difference Result 1100 states and 1680 transitions. [2021-12-21 10:20:04,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 10:20:04,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-12-21 10:20:04,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:04,999 INFO L225 Difference]: With dead ends: 1100 [2021-12-21 10:20:04,999 INFO L226 Difference]: Without dead ends: 753 [2021-12-21 10:20:05,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 10:20:05,002 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 507 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:05,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [507 Valid, 381 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 10:20:05,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2021-12-21 10:20:05,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 599. [2021-12-21 10:20:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 598 states have (on average 1.5518394648829432) internal successors, (928), 598 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 928 transitions. [2021-12-21 10:20:05,025 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 928 transitions. Word has length 28 [2021-12-21 10:20:05,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:05,026 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 928 transitions. [2021-12-21 10:20:05,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 928 transitions. [2021-12-21 10:20:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-21 10:20:05,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:05,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:05,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 10:20:05,029 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:05,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:05,030 INFO L85 PathProgramCache]: Analyzing trace with hash -737748410, now seen corresponding path program 1 times [2021-12-21 10:20:05,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:05,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916751987] [2021-12-21 10:20:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:05,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:05,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:05,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916751987] [2021-12-21 10:20:05,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916751987] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:05,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:05,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:05,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544563096] [2021-12-21 10:20:05,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:05,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:05,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:05,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:05,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,086 INFO L87 Difference]: Start difference. First operand 599 states and 928 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:05,212 INFO L93 Difference]: Finished difference Result 1331 states and 2092 transitions. [2021-12-21 10:20:05,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:05,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2021-12-21 10:20:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:05,215 INFO L225 Difference]: With dead ends: 1331 [2021-12-21 10:20:05,216 INFO L226 Difference]: Without dead ends: 741 [2021-12-21 10:20:05,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,217 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 148 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:05,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 177 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:05,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2021-12-21 10:20:05,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 721. [2021-12-21 10:20:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 720 states have (on average 1.5875) internal successors, (1143), 720 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1143 transitions. [2021-12-21 10:20:05,245 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1143 transitions. Word has length 42 [2021-12-21 10:20:05,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:05,245 INFO L470 AbstractCegarLoop]: Abstraction has 721 states and 1143 transitions. [2021-12-21 10:20:05,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1143 transitions. [2021-12-21 10:20:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-21 10:20:05,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:05,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:05,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 10:20:05,248 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:05,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:05,249 INFO L85 PathProgramCache]: Analyzing trace with hash 948641384, now seen corresponding path program 1 times [2021-12-21 10:20:05,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:05,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766198523] [2021-12-21 10:20:05,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:05,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:05,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:05,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766198523] [2021-12-21 10:20:05,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766198523] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:05,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:05,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:05,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117416089] [2021-12-21 10:20:05,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:05,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:05,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:05,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:05,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,298 INFO L87 Difference]: Start difference. First operand 721 states and 1143 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:05,432 INFO L93 Difference]: Finished difference Result 1498 states and 2392 transitions. [2021-12-21 10:20:05,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:05,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2021-12-21 10:20:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:05,436 INFO L225 Difference]: With dead ends: 1498 [2021-12-21 10:20:05,437 INFO L226 Difference]: Without dead ends: 786 [2021-12-21 10:20:05,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,439 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 146 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:05,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 178 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:05,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2021-12-21 10:20:05,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 766. [2021-12-21 10:20:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 765 states have (on average 1.6052287581699347) internal successors, (1228), 765 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1228 transitions. [2021-12-21 10:20:05,469 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1228 transitions. Word has length 43 [2021-12-21 10:20:05,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:05,478 INFO L470 AbstractCegarLoop]: Abstraction has 766 states and 1228 transitions. [2021-12-21 10:20:05,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1228 transitions. [2021-12-21 10:20:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-21 10:20:05,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:05,480 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:05,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 10:20:05,480 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:05,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:05,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2093549194, now seen corresponding path program 1 times [2021-12-21 10:20:05,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:05,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112089866] [2021-12-21 10:20:05,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:05,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:05,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:05,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112089866] [2021-12-21 10:20:05,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112089866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:05,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:05,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:05,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897481807] [2021-12-21 10:20:05,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:05,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:05,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:05,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:05,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,520 INFO L87 Difference]: Start difference. First operand 766 states and 1228 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:05,540 INFO L93 Difference]: Finished difference Result 1523 states and 2443 transitions. [2021-12-21 10:20:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:05,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-12-21 10:20:05,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:05,544 INFO L225 Difference]: With dead ends: 1523 [2021-12-21 10:20:05,544 INFO L226 Difference]: Without dead ends: 766 [2021-12-21 10:20:05,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,546 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 194 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:05,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 215 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:20:05,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2021-12-21 10:20:05,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2021-12-21 10:20:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 765 states have (on average 1.5830065359477123) internal successors, (1211), 765 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1211 transitions. [2021-12-21 10:20:05,572 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1211 transitions. Word has length 44 [2021-12-21 10:20:05,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:05,572 INFO L470 AbstractCegarLoop]: Abstraction has 766 states and 1211 transitions. [2021-12-21 10:20:05,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,573 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1211 transitions. [2021-12-21 10:20:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-21 10:20:05,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:05,574 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-21 10:20:05,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 10:20:05,574 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:05,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:05,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1190502023, now seen corresponding path program 1 times [2021-12-21 10:20:05,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:05,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787922480] [2021-12-21 10:20:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:05,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:05,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:05,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787922480] [2021-12-21 10:20:05,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787922480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:05,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:05,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:05,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639780263] [2021-12-21 10:20:05,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:05,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:05,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:05,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:05,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,599 INFO L87 Difference]: Start difference. First operand 766 states and 1211 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:05,629 INFO L93 Difference]: Finished difference Result 1537 states and 2426 transitions. [2021-12-21 10:20:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:05,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-12-21 10:20:05,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:05,633 INFO L225 Difference]: With dead ends: 1537 [2021-12-21 10:20:05,633 INFO L226 Difference]: Without dead ends: 780 [2021-12-21 10:20:05,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,635 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 184 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:05,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 219 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:20:05,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-12-21 10:20:05,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 778. [2021-12-21 10:20:05,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 777 states have (on average 1.555984555984556) internal successors, (1209), 777 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1209 transitions. [2021-12-21 10:20:05,673 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1209 transitions. Word has length 45 [2021-12-21 10:20:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:05,674 INFO L470 AbstractCegarLoop]: Abstraction has 778 states and 1209 transitions. [2021-12-21 10:20:05,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1209 transitions. [2021-12-21 10:20:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-21 10:20:05,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:05,676 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-21 10:20:05,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 10:20:05,676 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:05,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash -881523047, now seen corresponding path program 1 times [2021-12-21 10:20:05,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:05,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649365320] [2021-12-21 10:20:05,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:05,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:05,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:05,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649365320] [2021-12-21 10:20:05,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649365320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:05,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:05,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:05,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014322489] [2021-12-21 10:20:05,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:05,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:05,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:05,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,703 INFO L87 Difference]: Start difference. First operand 778 states and 1209 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:05,747 INFO L93 Difference]: Finished difference Result 2299 states and 3573 transitions. [2021-12-21 10:20:05,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:05,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-12-21 10:20:05,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:05,753 INFO L225 Difference]: With dead ends: 2299 [2021-12-21 10:20:05,753 INFO L226 Difference]: Without dead ends: 1530 [2021-12-21 10:20:05,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,756 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 184 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:05,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 618 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:20:05,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2021-12-21 10:20:05,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1218. [2021-12-21 10:20:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1217 states have (on average 1.5488907148726376) internal successors, (1885), 1217 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) [2021-12-21 10:20:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1885 transitions. [2021-12-21 10:20:05,809 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1885 transitions. Word has length 50 [2021-12-21 10:20:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:05,810 INFO L470 AbstractCegarLoop]: Abstraction has 1218 states and 1885 transitions. [2021-12-21 10:20:05,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1885 transitions. [2021-12-21 10:20:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-21 10:20:05,812 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:05,812 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-21 10:20:05,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 10:20:05,812 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:05,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:05,813 INFO L85 PathProgramCache]: Analyzing trace with hash 11963291, now seen corresponding path program 1 times [2021-12-21 10:20:05,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:05,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133224072] [2021-12-21 10:20:05,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:05,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:05,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:05,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133224072] [2021-12-21 10:20:05,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133224072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:05,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:05,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:05,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195573367] [2021-12-21 10:20:05,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:05,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:05,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:05,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:05,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:05,851 INFO L87 Difference]: Start difference. First operand 1218 states and 1885 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:06,001 INFO L93 Difference]: Finished difference Result 2639 states and 4073 transitions. [2021-12-21 10:20:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:06,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-12-21 10:20:06,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:06,007 INFO L225 Difference]: With dead ends: 2639 [2021-12-21 10:20:06,007 INFO L226 Difference]: Without dead ends: 1431 [2021-12-21 10:20:06,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:06,011 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 118 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:06,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 269 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:06,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2021-12-21 10:20:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1325. [2021-12-21 10:20:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 1324 states have (on average 1.5105740181268883) internal successors, (2000), 1324 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 2000 transitions. [2021-12-21 10:20:06,072 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 2000 transitions. Word has length 50 [2021-12-21 10:20:06,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:06,073 INFO L470 AbstractCegarLoop]: Abstraction has 1325 states and 2000 transitions. [2021-12-21 10:20:06,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 2000 transitions. [2021-12-21 10:20:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-21 10:20:06,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:06,075 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:06,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 10:20:06,076 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:06,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:06,076 INFO L85 PathProgramCache]: Analyzing trace with hash 776292063, now seen corresponding path program 1 times [2021-12-21 10:20:06,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:06,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082146654] [2021-12-21 10:20:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:06,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 10:20:06,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:06,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082146654] [2021-12-21 10:20:06,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082146654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:06,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:06,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:06,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58397159] [2021-12-21 10:20:06,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:06,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:06,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:06,104 INFO L87 Difference]: Start difference. First operand 1325 states and 2000 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:06,244 INFO L93 Difference]: Finished difference Result 2808 states and 4234 transitions. [2021-12-21 10:20:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:06,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-12-21 10:20:06,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:06,249 INFO L225 Difference]: With dead ends: 2808 [2021-12-21 10:20:06,250 INFO L226 Difference]: Without dead ends: 1493 [2021-12-21 10:20:06,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:06,252 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 49 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:06,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 344 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:20:06,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2021-12-21 10:20:06,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1451. [2021-12-21 10:20:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1450 states have (on average 1.4737931034482759) internal successors, (2137), 1450 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2137 transitions. [2021-12-21 10:20:06,308 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2137 transitions. Word has length 55 [2021-12-21 10:20:06,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:06,308 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2137 transitions. [2021-12-21 10:20:06,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2137 transitions. [2021-12-21 10:20:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-21 10:20:06,310 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:06,311 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:06,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 10:20:06,311 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:06,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:06,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1456350433, now seen corresponding path program 1 times [2021-12-21 10:20:06,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:06,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982239224] [2021-12-21 10:20:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:06,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-21 10:20:06,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:06,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982239224] [2021-12-21 10:20:06,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982239224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:06,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:06,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:06,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265756342] [2021-12-21 10:20:06,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:06,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:06,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:06,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:06,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:06,348 INFO L87 Difference]: Start difference. First operand 1451 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:06,397 INFO L93 Difference]: Finished difference Result 2739 states and 4009 transitions. [2021-12-21 10:20:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:06,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-12-21 10:20:06,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:06,404 INFO L225 Difference]: With dead ends: 2739 [2021-12-21 10:20:06,404 INFO L226 Difference]: Without dead ends: 1828 [2021-12-21 10:20:06,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:06,407 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 169 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:06,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 624 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:20:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2021-12-21 10:20:06,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1313. [2021-12-21 10:20:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1313 states, 1312 states have (on average 1.4626524390243902) internal successors, (1919), 1312 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1313 states and 1919 transitions. [2021-12-21 10:20:06,478 INFO L78 Accepts]: Start accepts. Automaton has 1313 states and 1919 transitions. Word has length 55 [2021-12-21 10:20:06,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:06,478 INFO L470 AbstractCegarLoop]: Abstraction has 1313 states and 1919 transitions. [2021-12-21 10:20:06,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1919 transitions. [2021-12-21 10:20:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-21 10:20:06,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:06,481 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:06,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 10:20:06,481 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:06,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1301716177, now seen corresponding path program 1 times [2021-12-21 10:20:06,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:06,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971327522] [2021-12-21 10:20:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:06,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:20:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:20:06,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:20:06,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971327522] [2021-12-21 10:20:06,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971327522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:20:06,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:20:06,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:20:06,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460491014] [2021-12-21 10:20:06,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:20:06,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 10:20:06,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:20:06,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 10:20:06,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:06,526 INFO L87 Difference]: Start difference. First operand 1313 states and 1919 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:20:06,600 INFO L93 Difference]: Finished difference Result 3800 states and 5511 transitions. [2021-12-21 10:20:06,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 10:20:06,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-12-21 10:20:06,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:20:06,609 INFO L225 Difference]: With dead ends: 3800 [2021-12-21 10:20:06,609 INFO L226 Difference]: Without dead ends: 2497 [2021-12-21 10:20:06,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 10:20:06,612 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 182 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:20:06,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 419 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:20:06,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2021-12-21 10:20:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2495. [2021-12-21 10:20:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2494 states have (on average 1.4322373696872495) internal successors, (3572), 2494 states have internal predecessors, (3572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3572 transitions. [2021-12-21 10:20:06,707 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3572 transitions. Word has length 56 [2021-12-21 10:20:06,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:20:06,708 INFO L470 AbstractCegarLoop]: Abstraction has 2495 states and 3572 transitions. [2021-12-21 10:20:06,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 10:20:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3572 transitions. [2021-12-21 10:20:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-21 10:20:06,712 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:20:06,712 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:06,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-21 10:20:06,713 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:20:06,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:20:06,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1196163616, now seen corresponding path program 1 times [2021-12-21 10:20:06,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:20:06,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025763937] [2021-12-21 10:20:06,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:20:06,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:20:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:20:06,734 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 10:20:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:20:06,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 10:20:06,768 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 10:20:06,769 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 10:20:06,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-21 10:20:06,774 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:20:06,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 10:20:06,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:20:06 BoogieIcfgContainer [2021-12-21 10:20:06,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 10:20:06,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 10:20:06,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 10:20:06,885 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 10:20:06,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:20:02" (3/4) ... [2021-12-21 10:20:06,887 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-21 10:20:06,971 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 10:20:06,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 10:20:06,972 INFO L158 Benchmark]: Toolchain (without parser) took 5305.53ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 60.9MB in the beginning and 105.1MB in the end (delta: -44.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-12-21 10:20:06,972 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:20:06,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.18ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 98.3MB in the end (delta: -37.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 10:20:06,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.07ms. Allocated memory is still 125.8MB. Free memory was 98.3MB in the beginning and 95.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 10:20:06,973 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 93.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 10:20:06,973 INFO L158 Benchmark]: RCFGBuilder took 769.05ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 60.6MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-21 10:20:06,974 INFO L158 Benchmark]: TraceAbstraction took 3898.87ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 59.9MB in the beginning and 122.9MB in the end (delta: -63.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:20:06,974 INFO L158 Benchmark]: Witness Printer took 86.83ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 105.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-21 10:20:06,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.18ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 98.3MB in the end (delta: -37.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.07ms. Allocated memory is still 125.8MB. Free memory was 98.3MB in the beginning and 95.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.89ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 93.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 769.05ms. Allocated memory is still 125.8MB. Free memory was 93.3MB in the beginning and 60.6MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3898.87ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 59.9MB in the beginning and 122.9MB in the end (delta: -63.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.83ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 105.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 652]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L657] int s ; [L658] int tmp ; [L662] s = 8464 [L663] CALL ssl3_accept(s) [L23] int s__info_callback = __VERIFIER_nondet_int() ; [L24] int s__in_handshake = __VERIFIER_nondet_int() ; [L25] int s__state ; [L26] int s__new_session ; [L27] int s__server ; [L28] int s__version = __VERIFIER_nondet_int() ; [L29] int s__type ; [L30] int s__init_num ; [L31] int s__hit = __VERIFIER_nondet_int() ; [L32] int s__rwstate ; [L33] int s__init_buf___0 = 1; [L34] int s__debug = __VERIFIER_nondet_int() ; [L35] int s__shutdown ; [L36] int s__cert = __VERIFIER_nondet_int() ; [L37] int s__options = __VERIFIER_nondet_int() ; [L38] int s__verify_mode = __VERIFIER_nondet_int() ; [L39] int s__session__peer = __VERIFIER_nondet_int() ; [L40] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L41] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L44] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L45] int s__s3__tmp__cert_request ; [L46] int s__s3__tmp__reuse_message ; [L47] int s__s3__tmp__use_rsa_tmp ; [L48] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L50] int s__s3__tmp__next_state___0 ; [L51] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L52] int s__session__cipher ; [L53] int buf ; [L54] unsigned long l ; [L55] unsigned long Time ; [L56] unsigned long tmp ; [L57] int cb ; [L58] long num1 = __VERIFIER_nondet_long() ; [L59] int ret ; [L60] int new_state ; [L61] int state ; [L62] int skip ; [L63] int got_new_session ; [L64] int tmp___1 = __VERIFIER_nondet_int() ; [L65] int tmp___2 = __VERIFIER_nondet_int() ; [L66] int tmp___3 = __VERIFIER_nondet_int() ; [L67] int tmp___4 = __VERIFIER_nondet_int() ; [L68] int tmp___5 = __VERIFIER_nondet_int() ; [L69] int tmp___6 = __VERIFIER_nondet_int() ; [L70] int tmp___7 ; [L71] long tmp___8 = __VERIFIER_nondet_long() ; [L72] int tmp___9 = __VERIFIER_nondet_int() ; [L73] int tmp___10 = __VERIFIER_nondet_int() ; [L74] int blastFlag ; [L75] int __cil_tmp55 ; [L76] unsigned long __cil_tmp56 ; [L77] unsigned long __cil_tmp57 ; [L78] unsigned long __cil_tmp58 ; [L79] unsigned long __cil_tmp59 ; [L80] int __cil_tmp60 ; [L81] unsigned long __cil_tmp61 ; [L84] s__s3__tmp__reuse_message = 0 [L85] s__state = initial_state [L86] blastFlag = 0 [L87] tmp = __VERIFIER_nondet_int() [L88] Time = tmp [L89] cb = 0 [L90] ret = -1 [L91] skip = 0 [L92] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=-1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L93] COND TRUE s__info_callback != 0 [L94] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=-1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L100] s__in_handshake ++ VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] COND TRUE tmp___1 + 12288 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L102] COND TRUE tmp___2 + 16384 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L106] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L112] state = s__state VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L128] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L131] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L134] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L137] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L283] s__shutdown = 0 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 0 [L286] blastFlag = 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L288] COND FALSE !(ret <= 0) [L291] got_new_session = 1 [L292] s__state = 8496 [L293] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L614] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L615] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L616] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L617] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L618] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L619] COND FALSE !(state == 8496) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L626] COND FALSE !(\read(s__debug)) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L632] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L633] COND TRUE s__state != state [L634] new_state = s__state [L635] s__state = state [L636] s__state = new_state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L641] skip = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L110] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L112] state = s__state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L113] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L116] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L119] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L122] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L125] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L128] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L131] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L134] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L137] COND FALSE !(s__state == 8464) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L140] COND FALSE !(s__state == 8465) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L143] COND FALSE !(s__state == 8466) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L146] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L297] ret = __VERIFIER_nondet_int() [L298] COND TRUE blastFlag == 1 [L299] blastFlag = 2 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L301] COND FALSE !(ret <= 0) VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L304] COND FALSE !(\read(s__hit)) [L307] s__state = 8512 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L309] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L614] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L615] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L616] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L617] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L618] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L619] COND TRUE state == 8496 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L652] reach_error() VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=4294967295, tmp=4294967295, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 19, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3347 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3347 mSDsluCounter, 5129 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1453 mSDsCounter, 447 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1205 IncrementalHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 447 mSolverCounterUnsat, 3676 mSDtfsCounter, 1205 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2495occurred in iteration=18, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 1223 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 725 NumberOfCodeBlocks, 725 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 1865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 118/118 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! [2021-12-21 10:20:07,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE