./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/bitvector/s3_clnt_3.BV.c.cil-2a.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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:55:59,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:55:59,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:55:59,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:55:59,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:55:59,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:55:59,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:55:59,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:55:59,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:55:59,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:55:59,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:55:59,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:55:59,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:55:59,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:55:59,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:55:59,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:55:59,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:55:59,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:55:59,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:55:59,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:55:59,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:55:59,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:55:59,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:55:59,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:55:59,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:55:59,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:55:59,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:55:59,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:55:59,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:55:59,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:55:59,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:55:59,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:55:59,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:55:59,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:55:59,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:55:59,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:55:59,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:55:59,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:55:59,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:55:59,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:55:59,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:55:59,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:55:59,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:55:59,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:55:59,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:55:59,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:55:59,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:55:59,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:55:59,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:55:59,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:55:59,261 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:55:59,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:55:59,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:55:59,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:55:59,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:55:59,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:55:59,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:55:59,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:55:59,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:55:59,263 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:55:59,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:55:59,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:55:59,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:55:59,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:55:59,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:55:59,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:55:59,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:55:59,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:55:59,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:55:59,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:55:59,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:55:59,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:55:59,289 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:55:59,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:55:59,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:55:59,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:55:59,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-12-15 08:55:59,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:55:59,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:55:59,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:55:59,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:55:59,521 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:55:59,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-15 08:55:59,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56c56c50/9fb5ff3678dd4779a2dbe82a60a1ca06/FLAGaea0cf7d4 [2021-12-15 08:55:59,977 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:55:59,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-15 08:55:59,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56c56c50/9fb5ff3678dd4779a2dbe82a60a1ca06/FLAGaea0cf7d4 [2021-12-15 08:55:59,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56c56c50/9fb5ff3678dd4779a2dbe82a60a1ca06 [2021-12-15 08:56:00,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:56:00,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:56:00,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:00,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:56:00,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:56:00,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:55:59" (1/1) ... [2021-12-15 08:56:00,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d58ce0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00, skipping insertion in model container [2021-12-15 08:56:00,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:55:59" (1/1) ... [2021-12-15 08:56:00,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:56:00,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:56:00,249 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/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-15 08:56:00,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:00,259 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:56:00,296 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/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-15 08:56:00,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:00,310 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:56:00,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00 WrapperNode [2021-12-15 08:56:00,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:00,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:00,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:56:00,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:56:00,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,351 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 478 [2021-12-15 08:56:00,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:00,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:56:00,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:56:00,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:56:00,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:56:00,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:56:00,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:56:00,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:56:00,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (1/1) ... [2021-12-15 08:56:00,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:00,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:00,437 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) [2021-12-15 08:56:00,439 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 [2021-12-15 08:56:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:56:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:56:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:56:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:56:00,590 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:56:00,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:56:00,602 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:00,865 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-12-15 08:56:00,865 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-12-15 08:56:00,865 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:56:00,869 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:56:00,869 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 08:56:00,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:00 BoogieIcfgContainer [2021-12-15 08:56:00,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:56:00,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:56:00,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:56:00,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:56:00,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:55:59" (1/3) ... [2021-12-15 08:56:00,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46510667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:00, skipping insertion in model container [2021-12-15 08:56:00,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:00" (2/3) ... [2021-12-15 08:56:00,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46510667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:00, skipping insertion in model container [2021-12-15 08:56:00,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:00" (3/3) ... [2021-12-15 08:56:00,876 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-12-15 08:56:00,879 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:56:00,879 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:56:00,913 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:56:00,917 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 [2021-12-15 08:56:00,917 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:56:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:00,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-15 08:56:00,931 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:00,932 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] [2021-12-15 08:56:00,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:00,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash 259999105, now seen corresponding path program 1 times [2021-12-15 08:56:00,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:00,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087499537] [2021-12-15 08:56:00,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:00,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:01,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 08:56:01,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:01,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087499537] [2021-12-15 08:56:01,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087499537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:01,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:01,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:01,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994529027] [2021-12-15 08:56:01,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:01,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:01,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:01,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:01,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:01,124 INFO L87 Difference]: Start difference. First operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.333333333333334) 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) [2021-12-15 08:56:01,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:01,262 INFO L93 Difference]: Finished difference Result 247 states and 423 transitions. [2021-12-15 08:56:01,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:01,264 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 [2021-12-15 08:56:01,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:01,272 INFO L225 Difference]: With dead ends: 247 [2021-12-15 08:56:01,272 INFO L226 Difference]: Without dead ends: 113 [2021-12-15 08:56:01,275 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 [2021-12-15 08:56:01,277 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 8 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:01,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 320 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:01,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-12-15 08:56:01,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-12-15 08:56:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 112 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2021-12-15 08:56:01,318 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 25 [2021-12-15 08:56:01,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:01,318 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2021-12-15 08:56:01,318 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) [2021-12-15 08:56:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2021-12-15 08:56:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-15 08:56:01,321 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:01,322 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:01,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:56:01,322 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:01,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1138040513, now seen corresponding path program 1 times [2021-12-15 08:56:01,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:01,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279250093] [2021-12-15 08:56:01,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:01,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 08:56:01,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:01,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279250093] [2021-12-15 08:56:01,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279250093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:01,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:01,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:01,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473779768] [2021-12-15 08:56:01,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:01,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:01,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:01,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:01,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:01,365 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:01,438 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2021-12-15 08:56:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:01,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2021-12-15 08:56:01,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:01,439 INFO L225 Difference]: With dead ends: 233 [2021-12-15 08:56:01,439 INFO L226 Difference]: Without dead ends: 131 [2021-12-15 08:56:01,440 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 [2021-12-15 08:56:01,441 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:01,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 241 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:01,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-12-15 08:56:01,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2021-12-15 08:56:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.5039370078740157) internal successors, (191), 127 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 191 transitions. [2021-12-15 08:56:01,447 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 191 transitions. Word has length 37 [2021-12-15 08:56:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:01,447 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 191 transitions. [2021-12-15 08:56:01,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 191 transitions. [2021-12-15 08:56:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-15 08:56:01,449 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:01,449 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:01,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 08:56:01,449 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:01,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:01,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1126420040, now seen corresponding path program 1 times [2021-12-15 08:56:01,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:01,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271709501] [2021-12-15 08:56:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:01,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-15 08:56:01,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:01,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271709501] [2021-12-15 08:56:01,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271709501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:01,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:01,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:01,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373210256] [2021-12-15 08:56:01,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:01,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:01,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:01,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:01,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:01,487 INFO L87 Difference]: Start difference. First operand 128 states and 191 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:01,498 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-12-15 08:56:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:01,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 51 [2021-12-15 08:56:01,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:01,500 INFO L225 Difference]: With dead ends: 271 [2021-12-15 08:56:01,500 INFO L226 Difference]: Without dead ends: 154 [2021-12-15 08:56:01,500 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 [2021-12-15 08:56:01,501 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 21 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:01,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 311 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:01,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-15 08:56:01,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-12-15 08:56:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 153 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 224 transitions. [2021-12-15 08:56:01,507 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 224 transitions. Word has length 51 [2021-12-15 08:56:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:01,507 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 224 transitions. [2021-12-15 08:56:01,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 224 transitions. [2021-12-15 08:56:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-15 08:56:01,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:01,509 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:01,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 08:56:01,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:01,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1260433546, now seen corresponding path program 1 times [2021-12-15 08:56:01,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:01,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268408157] [2021-12-15 08:56:01,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:01,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-15 08:56:01,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:01,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268408157] [2021-12-15 08:56:01,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268408157] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:01,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:01,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:01,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955380460] [2021-12-15 08:56:01,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:01,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:01,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:01,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:01,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:01,560 INFO L87 Difference]: Start difference. First operand 154 states and 224 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:01,647 INFO L93 Difference]: Finished difference Result 292 states and 435 transitions. [2021-12-15 08:56:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:01,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 51 [2021-12-15 08:56:01,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:01,650 INFO L225 Difference]: With dead ends: 292 [2021-12-15 08:56:01,651 INFO L226 Difference]: Without dead ends: 175 [2021-12-15 08:56:01,653 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 [2021-12-15 08:56:01,660 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:01,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 254 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-12-15 08:56:01,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 171. [2021-12-15 08:56:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.4470588235294117) internal successors, (246), 170 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 246 transitions. [2021-12-15 08:56:01,672 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 246 transitions. Word has length 51 [2021-12-15 08:56:01,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:01,672 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 246 transitions. [2021-12-15 08:56:01,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 246 transitions. [2021-12-15 08:56:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-15 08:56:01,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:01,674 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:01,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 08:56:01,674 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:01,674 INFO L85 PathProgramCache]: Analyzing trace with hash -457628469, now seen corresponding path program 1 times [2021-12-15 08:56:01,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:01,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381188626] [2021-12-15 08:56:01,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:01,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 08:56:01,714 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 08:56:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 08:56:01,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 08:56:01,750 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 08:56:01,751 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 08:56:01,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 08:56:01,754 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-15 08:56:01,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 08:56:01,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:56:01 BoogieIcfgContainer [2021-12-15 08:56:01,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 08:56:01,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 08:56:01,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 08:56:01,824 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 08:56:01,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:00" (3/4) ... [2021-12-15 08:56:01,826 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 08:56:01,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 08:56:01,827 INFO L158 Benchmark]: Toolchain (without parser) took 1825.15ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 51.4MB in the end (delta: 2.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-15 08:56:01,827 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 86.0MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:56:01,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.8MB in the beginning and 78.4MB in the end (delta: -24.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 08:56:01,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 75.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 08:56:01,828 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 104.9MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 08:56:01,828 INFO L158 Benchmark]: RCFGBuilder took 486.45ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 46.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 08:56:01,828 INFO L158 Benchmark]: TraceAbstraction took 951.36ms. Allocated memory is still 104.9MB. Free memory was 46.9MB in the beginning and 52.0MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:56:01,828 INFO L158 Benchmark]: Witness Printer took 2.52ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 51.4MB in the end (delta: 632.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:56:01,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 86.0MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.8MB in the beginning and 78.4MB in the end (delta: -24.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 104.9MB. Free memory was 78.4MB in the beginning and 75.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.52ms. Allocated memory is still 104.9MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.45ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 46.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 951.36ms. Allocated memory is still 104.9MB. Free memory was 46.9MB in the beginning and 52.0MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.52ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 51.4MB in the end (delta: 632.6kB). There was no memory consumed. 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 - UnprovableResult [Line: 624]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 311. Possible FailurePath: [L633] int __retres1 ; [L637] CALL ssl3_connect() [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] unsigned int s__version = __VERIFIER_nondet_uint(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L38] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L62] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L63] int tmp___3 = __VERIFIER_nondet_int(); [L64] int tmp___4 = __VERIFIER_nondet_int(); [L65] int tmp___5 = __VERIFIER_nondet_int(); [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z ; [L74] int __retres60 ; [L77] s__state = 12292 [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 VAL [blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback VAL [blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L93] s__in_handshake = s__in_handshake + 1 VAL [blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L94] COND FALSE !(tmp___1 + 12288) VAL [blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L103] COND TRUE \read(s__hit) [L104] ag_Y = 208 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND TRUE s__state == 12292 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L222] s__server = 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L223] COND TRUE cb != 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L228] COND FALSE !(s__version + 65280 != 768) [L234] s__type = 4096 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L235] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L253] COND FALSE !(! tmp___4) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L259] COND FALSE !(! tmp___5) [L265] s__state = 4368 [L266] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L267] s__init_num = 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND TRUE s__state == 4368 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L278] COND FALSE !(ret <= 0) [L283] s__state = 4384 [L284] ag_X = s__state - 32 [L285] s__init_num = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L286] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L133] COND TRUE s__state == 4384 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L294] ret = __VERIFIER_nondet_int() [L295] COND TRUE blastFlag == 1 [L296] blastFlag = 2 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L304] COND FALSE !(ret <= 0) [L309] s__state = ag_X VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4352, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L310] COND TRUE \read(s__hit) [L311] s__state = s__state | ag_Y VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L315] s__init_num = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L145] COND FALSE !(s__state == 4416) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L148] COND FALSE !(s__state == 4417) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L151] COND TRUE s__state == 4432 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L361] ret = __VERIFIER_nondet_int() [L362] COND TRUE blastFlag <= 5 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=0, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L624] reach_error() VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=0, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 1126 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 412 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 296 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 714 mSDtfsCounter, 296 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 35/35 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 could not prove your program: unable to determine feasibility of some traces [2021-12-15 08:56:01,871 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:56:03,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:56:03,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:56:03,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:56:03,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:56:03,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:56:03,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:56:03,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:56:03,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:56:03,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:56:03,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:56:03,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:56:03,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:56:03,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:56:03,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:56:03,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:56:03,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:56:03,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:56:03,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:56:03,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:56:03,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:56:03,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:56:03,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:56:03,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:56:03,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:56:03,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:56:03,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:56:03,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:56:03,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:56:03,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:56:03,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:56:03,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:56:03,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:56:03,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:56:03,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:56:03,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:56:03,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:56:03,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:56:03,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:56:03,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:56:03,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:56:03,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 08:56:03,780 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:56:03,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:56:03,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:56:03,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:56:03,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:56:03,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:56:03,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:56:03,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:56:03,784 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:56:03,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:56:03,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:56:03,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:56:03,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:56:03,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:56:03,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:56:03,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:56:03,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 08:56:03,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 08:56:03,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 08:56:03,786 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:56:03,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:56:03,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:56:03,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:56:03,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:56:03,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:56:03,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:56:03,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:03,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:56:03,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:56:03,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:56:03,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 08:56:03,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 08:56:03,788 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:56:03,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:56:03,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:56:03,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:56:03,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 08:56:03,789 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-12-15 08:56:04,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:56:04,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:56:04,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:56:04,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:56:04,078 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:56:04,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-15 08:56:04,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10616183/11810b516f7b483a977942cdb25c5637/FLAGbe7f674fa [2021-12-15 08:56:04,577 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:56:04,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-15 08:56:04,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10616183/11810b516f7b483a977942cdb25c5637/FLAGbe7f674fa [2021-12-15 08:56:05,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10616183/11810b516f7b483a977942cdb25c5637 [2021-12-15 08:56:05,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:56:05,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:56:05,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:05,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:56:05,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:56:05,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b697040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05, skipping insertion in model container [2021-12-15 08:56:05,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:56:05,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:56:05,258 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/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-15 08:56:05,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:05,306 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:56:05,357 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/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-15 08:56:05,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:05,377 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:56:05,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05 WrapperNode [2021-12-15 08:56:05,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:05,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:05,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:56:05,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:56:05,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,445 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 440 [2021-12-15 08:56:05,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:05,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:56:05,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:56:05,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:56:05,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:56:05,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:56:05,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:56:05,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:56:05,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (1/1) ... [2021-12-15 08:56:05,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:05,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:05,534 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) [2021-12-15 08:56:05,562 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 [2021-12-15 08:56:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:56:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 08:56:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:56:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:56:05,641 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:56:05,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:56:05,660 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:06,105 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-12-15 08:56:06,105 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-12-15 08:56:06,105 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:56:06,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:56:06,110 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 08:56:06,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:06 BoogieIcfgContainer [2021-12-15 08:56:06,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:56:06,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:56:06,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:56:06,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:56:06,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:56:05" (1/3) ... [2021-12-15 08:56:06,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487e31b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:06, skipping insertion in model container [2021-12-15 08:56:06,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:05" (2/3) ... [2021-12-15 08:56:06,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487e31b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:06, skipping insertion in model container [2021-12-15 08:56:06,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:06" (3/3) ... [2021-12-15 08:56:06,137 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-12-15 08:56:06,146 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:56:06,159 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:56:06,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:56:06,217 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 [2021-12-15 08:56:06,217 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:56:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-15 08:56:06,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:06,237 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] [2021-12-15 08:56:06,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:06,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:06,240 INFO L85 PathProgramCache]: Analyzing trace with hash 259999105, now seen corresponding path program 1 times [2021-12-15 08:56:06,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:06,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772489169] [2021-12-15 08:56:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:06,248 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:06,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:06,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 08:56:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:06,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:06,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 08:56:06,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:06,390 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:06,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772489169] [2021-12-15 08:56:06,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772489169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:06,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:06,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:06,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539470760] [2021-12-15 08:56:06,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:06,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:06,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:06,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:06,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:06,426 INFO L87 Difference]: Start difference. First operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.333333333333334) 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) [2021-12-15 08:56:06,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:06,544 INFO L93 Difference]: Finished difference Result 247 states and 423 transitions. [2021-12-15 08:56:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:06,553 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 [2021-12-15 08:56:06,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:06,560 INFO L225 Difference]: With dead ends: 247 [2021-12-15 08:56:06,560 INFO L226 Difference]: Without dead ends: 113 [2021-12-15 08:56:06,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:06,565 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 8 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:06,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 320 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-12-15 08:56:06,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-12-15 08:56:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 112 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2021-12-15 08:56:06,604 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 25 [2021-12-15 08:56:06,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:06,604 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2021-12-15 08:56:06,604 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) [2021-12-15 08:56:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2021-12-15 08:56:06,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-15 08:56:06,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:06,606 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:06,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 08:56:06,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:06,817 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:06,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1138040513, now seen corresponding path program 1 times [2021-12-15 08:56:06,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:06,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306941020] [2021-12-15 08:56:06,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:06,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:06,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:06,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:06,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-15 08:56:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:06,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:06,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 08:56:06,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:06,941 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:06,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306941020] [2021-12-15 08:56:06,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306941020] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:06,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:06,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:06,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216660303] [2021-12-15 08:56:06,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:06,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:06,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:06,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:06,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:06,943 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:07,026 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2021-12-15 08:56:07,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:07,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2021-12-15 08:56:07,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:07,028 INFO L225 Difference]: With dead ends: 233 [2021-12-15 08:56:07,028 INFO L226 Difference]: Without dead ends: 131 [2021-12-15 08:56:07,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:07,029 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:07,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 241 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:07,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-12-15 08:56:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2021-12-15 08:56:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.5039370078740157) internal successors, (191), 127 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 191 transitions. [2021-12-15 08:56:07,036 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 191 transitions. Word has length 37 [2021-12-15 08:56:07,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:07,036 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 191 transitions. [2021-12-15 08:56:07,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 191 transitions. [2021-12-15 08:56:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-15 08:56:07,037 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:07,038 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:07,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:07,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:07,244 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:07,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:07,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1126420040, now seen corresponding path program 1 times [2021-12-15 08:56:07,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:07,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687793671] [2021-12-15 08:56:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:07,245 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:07,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:07,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-15 08:56:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:07,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:07,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:07,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-15 08:56:07,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:07,426 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:07,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687793671] [2021-12-15 08:56:07,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687793671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:07,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:07,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:07,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323612479] [2021-12-15 08:56:07,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:07,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:07,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:07,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:07,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:07,427 INFO L87 Difference]: Start difference. First operand 128 states and 191 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:07,440 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-12-15 08:56:07,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:07,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 51 [2021-12-15 08:56:07,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:07,441 INFO L225 Difference]: With dead ends: 271 [2021-12-15 08:56:07,441 INFO L226 Difference]: Without dead ends: 154 [2021-12-15 08:56:07,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:07,442 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 21 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:07,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 311 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-15 08:56:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-12-15 08:56:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 153 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 224 transitions. [2021-12-15 08:56:07,448 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 224 transitions. Word has length 51 [2021-12-15 08:56:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:07,448 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 224 transitions. [2021-12-15 08:56:07,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 224 transitions. [2021-12-15 08:56:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-15 08:56:07,450 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:07,450 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:07,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-15 08:56:07,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:07,656 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:07,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1260433546, now seen corresponding path program 1 times [2021-12-15 08:56:07,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:07,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922041469] [2021-12-15 08:56:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:07,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:07,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:07,657 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:07,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-15 08:56:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:07,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:07,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-15 08:56:07,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:07,762 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:07,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922041469] [2021-12-15 08:56:07,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922041469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:07,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:07,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:07,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254914863] [2021-12-15 08:56:07,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:07,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:07,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:07,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:07,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:07,764 INFO L87 Difference]: Start difference. First operand 154 states and 224 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:07,850 INFO L93 Difference]: Finished difference Result 292 states and 435 transitions. [2021-12-15 08:56:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:07,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 51 [2021-12-15 08:56:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:07,851 INFO L225 Difference]: With dead ends: 292 [2021-12-15 08:56:07,851 INFO L226 Difference]: Without dead ends: 175 [2021-12-15 08:56:07,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:07,852 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:07,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 254 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:07,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-12-15 08:56:07,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 171. [2021-12-15 08:56:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.4470588235294117) internal successors, (246), 170 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 246 transitions. [2021-12-15 08:56:07,858 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 246 transitions. Word has length 51 [2021-12-15 08:56:07,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:07,858 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 246 transitions. [2021-12-15 08:56:07,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 246 transitions. [2021-12-15 08:56:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-15 08:56:07,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:07,859 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:07,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:08,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:08,092 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:08,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:08,093 INFO L85 PathProgramCache]: Analyzing trace with hash -457628469, now seen corresponding path program 1 times [2021-12-15 08:56:08,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:08,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903377861] [2021-12-15 08:56:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:08,093 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:08,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:08,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:08,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-15 08:56:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:08,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:08,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:08,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:09,787 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:09,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903377861] [2021-12-15 08:56:09,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903377861] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:09,787 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:09,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:09,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946722859] [2021-12-15 08:56:09,788 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:09,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:09,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:09,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:09,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:09,788 INFO L87 Difference]: Start difference. First operand 171 states and 246 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:09,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:09,868 INFO L93 Difference]: Finished difference Result 480 states and 706 transitions. [2021-12-15 08:56:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:09,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-15 08:56:09,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:09,870 INFO L225 Difference]: With dead ends: 480 [2021-12-15 08:56:09,870 INFO L226 Difference]: Without dead ends: 346 [2021-12-15 08:56:09,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:09,870 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 141 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:09,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 558 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 62 Invalid, 0 Unknown, 93 Unchecked, 0.1s Time] [2021-12-15 08:56:09,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-12-15 08:56:09,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 309. [2021-12-15 08:56:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.4675324675324675) internal successors, (452), 308 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 452 transitions. [2021-12-15 08:56:09,884 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 452 transitions. Word has length 68 [2021-12-15 08:56:09,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:09,885 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 452 transitions. [2021-12-15 08:56:09,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 452 transitions. [2021-12-15 08:56:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-15 08:56:09,890 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:09,890 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:09,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:10,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:10,096 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:10,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:10,097 INFO L85 PathProgramCache]: Analyzing trace with hash 2031900493, now seen corresponding path program 1 times [2021-12-15 08:56:10,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:10,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46015056] [2021-12-15 08:56:10,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:10,098 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:10,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:10,101 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:10,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-15 08:56:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:10,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:10,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:10,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:10,295 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:10,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46015056] [2021-12-15 08:56:10,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46015056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:10,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:10,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:10,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626630870] [2021-12-15 08:56:10,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:10,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:10,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:10,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:10,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:10,297 INFO L87 Difference]: Start difference. First operand 309 states and 452 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:10,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:10,315 INFO L93 Difference]: Finished difference Result 690 states and 1024 transitions. [2021-12-15 08:56:10,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:10,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-15 08:56:10,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:10,317 INFO L225 Difference]: With dead ends: 690 [2021-12-15 08:56:10,317 INFO L226 Difference]: Without dead ends: 447 [2021-12-15 08:56:10,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:10,328 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:10,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 323 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:10,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-12-15 08:56:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2021-12-15 08:56:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.4684684684684686) internal successors, (652), 444 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 652 transitions. [2021-12-15 08:56:10,348 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 652 transitions. Word has length 68 [2021-12-15 08:56:10,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:10,348 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 652 transitions. [2021-12-15 08:56:10,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 652 transitions. [2021-12-15 08:56:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-15 08:56:10,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:10,349 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:10,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:10,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:10,556 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:10,557 INFO L85 PathProgramCache]: Analyzing trace with hash -875025075, now seen corresponding path program 1 times [2021-12-15 08:56:10,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:10,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845677374] [2021-12-15 08:56:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:10,557 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:10,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:10,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:10,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-15 08:56:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:10,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:10,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:10,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:10,717 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:10,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845677374] [2021-12-15 08:56:10,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845677374] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:10,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:10,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:10,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62039732] [2021-12-15 08:56:10,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:10,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:10,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:10,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:10,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:10,719 INFO L87 Difference]: Start difference. First operand 445 states and 652 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:10,731 INFO L93 Difference]: Finished difference Result 604 states and 888 transitions. [2021-12-15 08:56:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-15 08:56:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:10,734 INFO L225 Difference]: With dead ends: 604 [2021-12-15 08:56:10,735 INFO L226 Difference]: Without dead ends: 447 [2021-12-15 08:56:10,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:10,735 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 122 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:10,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 464 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:10,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-12-15 08:56:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2021-12-15 08:56:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.4617117117117118) internal successors, (649), 444 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 649 transitions. [2021-12-15 08:56:10,746 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 649 transitions. Word has length 68 [2021-12-15 08:56:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:10,747 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 649 transitions. [2021-12-15 08:56:10,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 649 transitions. [2021-12-15 08:56:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-15 08:56:10,748 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:10,748 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:10,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:10,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:10,955 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:10,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:10,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1614503887, now seen corresponding path program 1 times [2021-12-15 08:56:10,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:10,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032289280] [2021-12-15 08:56:10,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:10,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:10,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:10,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:10,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-15 08:56:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:11,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-15 08:56:11,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-15 08:56:11,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-15 08:56:11,329 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:11,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032289280] [2021-12-15 08:56:11,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032289280] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:11,329 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:11,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-12-15 08:56:11,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063063410] [2021-12-15 08:56:11,329 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:11,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-15 08:56:11,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:11,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-15 08:56:11,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-15 08:56:11,330 INFO L87 Difference]: Start difference. First operand 445 states and 649 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:11,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:11,716 INFO L93 Difference]: Finished difference Result 679 states and 1016 transitions. [2021-12-15 08:56:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-15 08:56:11,717 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-15 08:56:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:11,718 INFO L225 Difference]: With dead ends: 679 [2021-12-15 08:56:11,718 INFO L226 Difference]: Without dead ends: 523 [2021-12-15 08:56:11,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-15 08:56:11,719 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 444 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:11,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [444 Valid, 1360 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 08:56:11,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2021-12-15 08:56:11,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 504. [2021-12-15 08:56:11,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.4274353876739563) internal successors, (718), 503 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 718 transitions. [2021-12-15 08:56:11,728 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 718 transitions. Word has length 68 [2021-12-15 08:56:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:11,729 INFO L470 AbstractCegarLoop]: Abstraction has 504 states and 718 transitions. [2021-12-15 08:56:11,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 718 transitions. [2021-12-15 08:56:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-15 08:56:11,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:11,729 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:11,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:11,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:11,935 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:11,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:11,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1306206804, now seen corresponding path program 1 times [2021-12-15 08:56:11,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:11,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327658330] [2021-12-15 08:56:11,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:11,936 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:11,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:11,941 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:11,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-15 08:56:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:11,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:11,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:12,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:12,322 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:12,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327658330] [2021-12-15 08:56:12,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327658330] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:12,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:12,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:12,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275437541] [2021-12-15 08:56:12,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:12,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:12,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:12,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:12,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:12,324 INFO L87 Difference]: Start difference. First operand 504 states and 718 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:12,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:12,338 INFO L93 Difference]: Finished difference Result 679 states and 985 transitions. [2021-12-15 08:56:12,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 08:56:12,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 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 69 [2021-12-15 08:56:12,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:12,341 INFO L225 Difference]: With dead ends: 679 [2021-12-15 08:56:12,341 INFO L226 Difference]: Without dead ends: 522 [2021-12-15 08:56:12,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-15 08:56:12,342 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 50 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:12,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 467 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 103 Unchecked, 0.0s Time] [2021-12-15 08:56:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-12-15 08:56:12,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2021-12-15 08:56:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 1.437619961612284) internal successors, (749), 521 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 749 transitions. [2021-12-15 08:56:12,352 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 749 transitions. Word has length 69 [2021-12-15 08:56:12,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:12,352 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 749 transitions. [2021-12-15 08:56:12,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 749 transitions. [2021-12-15 08:56:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-15 08:56:12,353 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:12,353 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:12,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:12,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:12,559 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:12,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:12,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1213476542, now seen corresponding path program 1 times [2021-12-15 08:56:12,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:12,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016976289] [2021-12-15 08:56:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:12,561 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:12,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:12,562 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:12,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-15 08:56:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:12,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:12,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-15 08:56:12,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:12,696 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:12,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016976289] [2021-12-15 08:56:12,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016976289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:12,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:12,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:12,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801605563] [2021-12-15 08:56:12,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:12,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:12,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:12,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:12,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:12,698 INFO L87 Difference]: Start difference. First operand 522 states and 749 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:12,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:12,719 INFO L93 Difference]: Finished difference Result 1380 states and 1963 transitions. [2021-12-15 08:56:12,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:12,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 73 [2021-12-15 08:56:12,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:12,722 INFO L225 Difference]: With dead ends: 1380 [2021-12-15 08:56:12,722 INFO L226 Difference]: Without dead ends: 924 [2021-12-15 08:56:12,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:12,723 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 123 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:12,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 353 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:12,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-12-15 08:56:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 922. [2021-12-15 08:56:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 921 states have (on average 1.3952225841476655) internal successors, (1285), 921 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1285 transitions. [2021-12-15 08:56:12,748 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1285 transitions. Word has length 73 [2021-12-15 08:56:12,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:12,748 INFO L470 AbstractCegarLoop]: Abstraction has 922 states and 1285 transitions. [2021-12-15 08:56:12,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1285 transitions. [2021-12-15 08:56:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-12-15 08:56:12,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:12,750 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:12,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:12,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:12,959 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:12,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:12,959 INFO L85 PathProgramCache]: Analyzing trace with hash 328393676, now seen corresponding path program 1 times [2021-12-15 08:56:12,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:12,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719523896] [2021-12-15 08:56:12,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:12,960 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:12,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:12,961 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:12,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-15 08:56:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:13,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:13,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-15 08:56:13,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:13,110 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:13,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719523896] [2021-12-15 08:56:13,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719523896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:13,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:13,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:13,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376593364] [2021-12-15 08:56:13,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:13,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:13,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:13,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:13,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:13,112 INFO L87 Difference]: Start difference. First operand 922 states and 1285 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) [2021-12-15 08:56:13,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:13,128 INFO L93 Difference]: Finished difference Result 1792 states and 2503 transitions. [2021-12-15 08:56:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:13,129 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 75 [2021-12-15 08:56:13,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:13,131 INFO L225 Difference]: With dead ends: 1792 [2021-12-15 08:56:13,131 INFO L226 Difference]: Without dead ends: 936 [2021-12-15 08:56:13,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:13,132 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 148 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:13,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 172 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:13,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-12-15 08:56:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 928. [2021-12-15 08:56:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 927 states have (on average 1.3807982740021576) internal successors, (1280), 927 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1280 transitions. [2021-12-15 08:56:13,150 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1280 transitions. Word has length 75 [2021-12-15 08:56:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:13,150 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1280 transitions. [2021-12-15 08:56:13,150 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) [2021-12-15 08:56:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1280 transitions. [2021-12-15 08:56:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-15 08:56:13,151 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:13,151 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:13,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:13,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:13,357 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:13,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:13,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1251779988, now seen corresponding path program 1 times [2021-12-15 08:56:13,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:13,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615819155] [2021-12-15 08:56:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:13,358 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:13,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:13,359 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:13,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-15 08:56:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:13,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:13,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-15 08:56:13,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:13,520 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:13,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615819155] [2021-12-15 08:56:13,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615819155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:13,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:13,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:13,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979825481] [2021-12-15 08:56:13,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:13,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:13,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:13,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:13,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:13,521 INFO L87 Difference]: Start difference. First operand 928 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:13,566 INFO L93 Difference]: Finished difference Result 2716 states and 3727 transitions. [2021-12-15 08:56:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:13,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 79 [2021-12-15 08:56:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:13,571 INFO L225 Difference]: With dead ends: 2716 [2021-12-15 08:56:13,571 INFO L226 Difference]: Without dead ends: 1808 [2021-12-15 08:56:13,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:13,572 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 133 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 326 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 [2021-12-15 08:56:13,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 326 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2021-12-15 08:56:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1806. [2021-12-15 08:56:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.3573407202216066) internal successors, (2450), 1805 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2450 transitions. [2021-12-15 08:56:13,604 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2450 transitions. Word has length 79 [2021-12-15 08:56:13,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:13,604 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2450 transitions. [2021-12-15 08:56:13,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2450 transitions. [2021-12-15 08:56:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-15 08:56:13,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:13,606 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:13,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:13,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:13,812 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:13,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:13,813 INFO L85 PathProgramCache]: Analyzing trace with hash -2117921424, now seen corresponding path program 1 times [2021-12-15 08:56:13,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:13,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468703390] [2021-12-15 08:56:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:13,813 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:13,814 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:13,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-15 08:56:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:13,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:13,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-15 08:56:14,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:14,062 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:14,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468703390] [2021-12-15 08:56:14,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468703390] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:14,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:14,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:14,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093980230] [2021-12-15 08:56:14,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:14,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:14,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:14,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:14,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:14,064 INFO L87 Difference]: Start difference. First operand 1806 states and 2450 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:14,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:14,108 INFO L93 Difference]: Finished difference Result 2698 states and 3652 transitions. [2021-12-15 08:56:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:14,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-12-15 08:56:14,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:14,113 INFO L225 Difference]: With dead ends: 2698 [2021-12-15 08:56:14,113 INFO L226 Difference]: Without dead ends: 1808 [2021-12-15 08:56:14,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:14,115 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 122 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:14,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 480 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2021-12-15 08:56:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1806. [2021-12-15 08:56:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.3445983379501385) internal successors, (2427), 1805 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2427 transitions. [2021-12-15 08:56:14,167 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2427 transitions. Word has length 80 [2021-12-15 08:56:14,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:14,167 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2427 transitions. [2021-12-15 08:56:14,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2427 transitions. [2021-12-15 08:56:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-15 08:56:14,169 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:14,170 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:14,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:14,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:14,378 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:14,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash 210032922, now seen corresponding path program 1 times [2021-12-15 08:56:14,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:14,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305633141] [2021-12-15 08:56:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:14,380 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:14,381 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:14,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-15 08:56:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:14,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 08:56:14,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 08:56:14,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 08:56:14,857 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:14,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305633141] [2021-12-15 08:56:14,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305633141] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:14,858 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:14,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:14,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422515642] [2021-12-15 08:56:14,858 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:14,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:14,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:14,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:14,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:14,859 INFO L87 Difference]: Start difference. First operand 1806 states and 2427 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:14,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:14,982 INFO L93 Difference]: Finished difference Result 3533 states and 4858 transitions. [2021-12-15 08:56:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:14,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-12-15 08:56:14,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:14,988 INFO L225 Difference]: With dead ends: 3533 [2021-12-15 08:56:14,988 INFO L226 Difference]: Without dead ends: 2157 [2021-12-15 08:56:14,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:14,990 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 145 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 145 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:14,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 413 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 47 Invalid, 0 Unknown, 145 Unchecked, 0.1s Time] [2021-12-15 08:56:14,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states. [2021-12-15 08:56:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 1955. [2021-12-15 08:56:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1954 states have (on average 1.373080859774821) internal successors, (2683), 1954 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2683 transitions. [2021-12-15 08:56:15,043 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2683 transitions. Word has length 81 [2021-12-15 08:56:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:15,043 INFO L470 AbstractCegarLoop]: Abstraction has 1955 states and 2683 transitions. [2021-12-15 08:56:15,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2683 transitions. [2021-12-15 08:56:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-15 08:56:15,047 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:15,047 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:15,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-15 08:56:15,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:15,254 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash -913619447, now seen corresponding path program 1 times [2021-12-15 08:56:15,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:15,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396143303] [2021-12-15 08:56:15,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:15,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:15,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:15,272 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:15,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-15 08:56:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:15,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:15,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 43 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:15,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 43 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:15,637 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:15,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396143303] [2021-12-15 08:56:15,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396143303] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:15,637 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:15,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:15,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730352006] [2021-12-15 08:56:15,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:15,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:15,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:15,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:15,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:15,639 INFO L87 Difference]: Start difference. First operand 1955 states and 2683 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:15,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:15,791 INFO L93 Difference]: Finished difference Result 3798 states and 5258 transitions. [2021-12-15 08:56:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:15,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 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 86 [2021-12-15 08:56:15,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:15,797 INFO L225 Difference]: With dead ends: 3798 [2021-12-15 08:56:15,798 INFO L226 Difference]: Without dead ends: 2252 [2021-12-15 08:56:15,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:15,801 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 167 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 136 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:15,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 436 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 64 Invalid, 0 Unknown, 136 Unchecked, 0.1s Time] [2021-12-15 08:56:15,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2021-12-15 08:56:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 2100. [2021-12-15 08:56:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.3611243449261554) internal successors, (2857), 2099 states have internal predecessors, (2857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2857 transitions. [2021-12-15 08:56:15,856 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2857 transitions. Word has length 86 [2021-12-15 08:56:15,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:15,856 INFO L470 AbstractCegarLoop]: Abstraction has 2100 states and 2857 transitions. [2021-12-15 08:56:15,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2857 transitions. [2021-12-15 08:56:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-15 08:56:15,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:15,859 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:15,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:16,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:16,066 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:16,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:16,066 INFO L85 PathProgramCache]: Analyzing trace with hash 751712707, now seen corresponding path program 1 times [2021-12-15 08:56:16,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:16,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106913561] [2021-12-15 08:56:16,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:16,067 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:16,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:16,085 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:16,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-15 08:56:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:16,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:16,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:16,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:16,462 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:16,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106913561] [2021-12-15 08:56:16,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106913561] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:16,462 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:16,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:16,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053809210] [2021-12-15 08:56:16,462 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:16,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:16,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:16,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:16,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:16,463 INFO L87 Difference]: Start difference. First operand 2100 states and 2857 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:16,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:16,500 INFO L93 Difference]: Finished difference Result 2599 states and 3586 transitions. [2021-12-15 08:56:16,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 08:56:16,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 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 88 [2021-12-15 08:56:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:16,506 INFO L225 Difference]: With dead ends: 2599 [2021-12-15 08:56:16,506 INFO L226 Difference]: Without dead ends: 2112 [2021-12-15 08:56:16,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-15 08:56:16,507 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 47 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:16,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 476 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 103 Unchecked, 0.0s Time] [2021-12-15 08:56:16,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2021-12-15 08:56:16,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 2112. [2021-12-15 08:56:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2112 states, 2111 states have (on average 1.3619137849360492) internal successors, (2875), 2111 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2875 transitions. [2021-12-15 08:56:16,545 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2875 transitions. Word has length 88 [2021-12-15 08:56:16,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:16,546 INFO L470 AbstractCegarLoop]: Abstraction has 2112 states and 2875 transitions. [2021-12-15 08:56:16,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2875 transitions. [2021-12-15 08:56:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-15 08:56:16,548 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:16,548 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:16,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:16,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:16,756 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:16,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:16,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1734054716, now seen corresponding path program 1 times [2021-12-15 08:56:16,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:16,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205669707] [2021-12-15 08:56:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:16,757 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:16,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:16,762 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:16,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-15 08:56:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:16,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:16,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:16,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-15 08:56:17,146 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:17,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205669707] [2021-12-15 08:56:17,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205669707] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:17,146 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:17,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:17,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319641531] [2021-12-15 08:56:17,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:17,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:17,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:17,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:17,147 INFO L87 Difference]: Start difference. First operand 2112 states and 2875 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:17,264 INFO L93 Difference]: Finished difference Result 3868 states and 5329 transitions. [2021-12-15 08:56:17,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:17,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 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 89 [2021-12-15 08:56:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:17,270 INFO L225 Difference]: With dead ends: 3868 [2021-12-15 08:56:17,270 INFO L226 Difference]: Without dead ends: 2322 [2021-12-15 08:56:17,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:17,273 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 148 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 142 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:17,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 578 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 64 Invalid, 0 Unknown, 142 Unchecked, 0.1s Time] [2021-12-15 08:56:17,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2021-12-15 08:56:17,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2112. [2021-12-15 08:56:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2112 states, 2111 states have (on average 1.354334438654666) internal successors, (2859), 2111 states have internal predecessors, (2859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2859 transitions. [2021-12-15 08:56:17,324 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2859 transitions. Word has length 89 [2021-12-15 08:56:17,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:17,324 INFO L470 AbstractCegarLoop]: Abstraction has 2112 states and 2859 transitions. [2021-12-15 08:56:17,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2859 transitions. [2021-12-15 08:56:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-15 08:56:17,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:17,327 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:17,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:17,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:17,534 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:17,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:17,534 INFO L85 PathProgramCache]: Analyzing trace with hash 362542619, now seen corresponding path program 1 times [2021-12-15 08:56:17,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:17,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168149880] [2021-12-15 08:56:17,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:17,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:17,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:17,536 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:17,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-15 08:56:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:17,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:17,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-15 08:56:17,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:17,692 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:17,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168149880] [2021-12-15 08:56:17,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168149880] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:17,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:17,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:17,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543909164] [2021-12-15 08:56:17,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:17,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,693 INFO L87 Difference]: Start difference. First operand 2112 states and 2859 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:17,718 INFO L93 Difference]: Finished difference Result 2942 states and 3987 transitions. [2021-12-15 08:56:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:17,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-12-15 08:56:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:17,724 INFO L225 Difference]: With dead ends: 2942 [2021-12-15 08:56:17,724 INFO L226 Difference]: Without dead ends: 2060 [2021-12-15 08:56:17,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,727 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 136 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:17,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 461 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:17,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2021-12-15 08:56:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2058. [2021-12-15 08:56:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2057 states have (on average 1.3388429752066116) internal successors, (2754), 2057 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2754 transitions. [2021-12-15 08:56:17,796 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2754 transitions. Word has length 90 [2021-12-15 08:56:17,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:17,796 INFO L470 AbstractCegarLoop]: Abstraction has 2058 states and 2754 transitions. [2021-12-15 08:56:17,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2754 transitions. [2021-12-15 08:56:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-15 08:56:17,800 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:17,800 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:17,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:18,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:18,007 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:18,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1147874306, now seen corresponding path program 1 times [2021-12-15 08:56:18,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:18,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066621946] [2021-12-15 08:56:18,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,008 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:18,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:18,009 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:18,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-15 08:56:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:18,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:18,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-15 08:56:18,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-15 08:56:18,416 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:18,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066621946] [2021-12-15 08:56:18,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066621946] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:18,417 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:18,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:18,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936366092] [2021-12-15 08:56:18,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:18,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:18,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:18,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:18,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:18,419 INFO L87 Difference]: Start difference. First operand 2058 states and 2754 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:18,651 INFO L93 Difference]: Finished difference Result 4426 states and 6040 transitions. [2021-12-15 08:56:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-15 08:56:18,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-12-15 08:56:18,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:18,657 INFO L225 Difference]: With dead ends: 4426 [2021-12-15 08:56:18,657 INFO L226 Difference]: Without dead ends: 2880 [2021-12-15 08:56:18,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:18,660 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 380 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 158 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:18,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 436 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 148 Invalid, 0 Unknown, 158 Unchecked, 0.2s Time] [2021-12-15 08:56:18,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2021-12-15 08:56:18,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2778. [2021-12-15 08:56:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2777 states have (on average 1.3539791141519626) internal successors, (3760), 2777 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3760 transitions. [2021-12-15 08:56:18,708 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3760 transitions. Word has length 100 [2021-12-15 08:56:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:18,709 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3760 transitions. [2021-12-15 08:56:18,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3760 transitions. [2021-12-15 08:56:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-15 08:56:18,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:18,712 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:18,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-12-15 08:56:18,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:18,943 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:18,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:18,944 INFO L85 PathProgramCache]: Analyzing trace with hash -355224684, now seen corresponding path program 1 times [2021-12-15 08:56:18,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:18,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806941109] [2021-12-15 08:56:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:18,945 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:18,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-15 08:56:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:19,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:19,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 81 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-15 08:56:19,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 81 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-15 08:56:19,322 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:19,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806941109] [2021-12-15 08:56:19,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806941109] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:19,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:19,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:19,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414435291] [2021-12-15 08:56:19,322 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:19,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:19,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:19,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:19,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:19,323 INFO L87 Difference]: Start difference. First operand 2778 states and 3760 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:19,468 INFO L93 Difference]: Finished difference Result 5163 states and 7049 transitions. [2021-12-15 08:56:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:19,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-12-15 08:56:19,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:19,477 INFO L225 Difference]: With dead ends: 5163 [2021-12-15 08:56:19,477 INFO L226 Difference]: Without dead ends: 2897 [2021-12-15 08:56:19,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:19,481 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 154 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 90 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:19,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 430 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 63 Invalid, 0 Unknown, 90 Unchecked, 0.1s Time] [2021-12-15 08:56:19,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2021-12-15 08:56:19,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2779. [2021-12-15 08:56:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2778 states have (on average 1.3444924406047516) internal successors, (3735), 2778 states have internal predecessors, (3735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3735 transitions. [2021-12-15 08:56:19,552 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3735 transitions. Word has length 101 [2021-12-15 08:56:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:19,552 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 3735 transitions. [2021-12-15 08:56:19,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3735 transitions. [2021-12-15 08:56:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-15 08:56:19,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:19,557 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:19,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-12-15 08:56:19,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:19,764 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:19,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:19,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1529586067, now seen corresponding path program 1 times [2021-12-15 08:56:19,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:19,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066312225] [2021-12-15 08:56:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:19,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:19,766 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:19,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-15 08:56:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:19,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:19,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 82 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-15 08:56:19,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 82 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-15 08:56:20,128 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:20,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066312225] [2021-12-15 08:56:20,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066312225] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:20,129 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:20,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:20,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053529752] [2021-12-15 08:56:20,129 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:20,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:20,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:20,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:20,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:20,131 INFO L87 Difference]: Start difference. First operand 2779 states and 3735 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:20,294 INFO L93 Difference]: Finished difference Result 5163 states and 6998 transitions. [2021-12-15 08:56:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:20,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 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 102 [2021-12-15 08:56:20,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:20,304 INFO L225 Difference]: With dead ends: 5163 [2021-12-15 08:56:20,304 INFO L226 Difference]: Without dead ends: 2897 [2021-12-15 08:56:20,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:20,308 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 136 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:20,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 559 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 68 Invalid, 0 Unknown, 115 Unchecked, 0.1s Time] [2021-12-15 08:56:20,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2021-12-15 08:56:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2779. [2021-12-15 08:56:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2778 states have (on average 1.3347732181425487) internal successors, (3708), 2778 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3708 transitions. [2021-12-15 08:56:20,385 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3708 transitions. Word has length 102 [2021-12-15 08:56:20,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:20,386 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 3708 transitions. [2021-12-15 08:56:20,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3708 transitions. [2021-12-15 08:56:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-15 08:56:20,403 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:20,403 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:20,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:20,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:20,604 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:20,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:20,604 INFO L85 PathProgramCache]: Analyzing trace with hash -2140745463, now seen corresponding path program 1 times [2021-12-15 08:56:20,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:20,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675195508] [2021-12-15 08:56:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:20,605 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:20,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:20,605 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:20,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-15 08:56:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:20,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 08:56:20,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 08:56:20,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 08:56:20,999 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:20,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675195508] [2021-12-15 08:56:20,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675195508] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:20,999 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:20,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:20,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126461577] [2021-12-15 08:56:20,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:21,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:21,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:21,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:21,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:21,002 INFO L87 Difference]: Start difference. First operand 2779 states and 3708 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:21,114 INFO L93 Difference]: Finished difference Result 3286 states and 4408 transitions. [2021-12-15 08:56:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:21,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 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 102 [2021-12-15 08:56:21,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:21,118 INFO L225 Difference]: With dead ends: 3286 [2021-12-15 08:56:21,118 INFO L226 Difference]: Without dead ends: 2904 [2021-12-15 08:56:21,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:21,121 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 139 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 105 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:21,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 408 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 52 Invalid, 0 Unknown, 105 Unchecked, 0.1s Time] [2021-12-15 08:56:21,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2021-12-15 08:56:21,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2779. [2021-12-15 08:56:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2778 states have (on average 1.3344132469402448) internal successors, (3707), 2778 states have internal predecessors, (3707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3707 transitions. [2021-12-15 08:56:21,173 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3707 transitions. Word has length 102 [2021-12-15 08:56:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:21,174 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 3707 transitions. [2021-12-15 08:56:21,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3707 transitions. [2021-12-15 08:56:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-15 08:56:21,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:21,180 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:21,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:21,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:21,387 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:21,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:21,387 INFO L85 PathProgramCache]: Analyzing trace with hash 88427331, now seen corresponding path program 1 times [2021-12-15 08:56:21,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:21,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176695980] [2021-12-15 08:56:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:21,388 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:21,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:21,390 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:21,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-15 08:56:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:21,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 08:56:21,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 53 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 08:56:21,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 53 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 08:56:21,678 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:21,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176695980] [2021-12-15 08:56:21,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176695980] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:21,679 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 08:56:21,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-15 08:56:21,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656996232] [2021-12-15 08:56:21,679 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:21,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:21,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:21,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:21,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:21,680 INFO L87 Difference]: Start difference. First operand 2779 states and 3707 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:21,792 INFO L93 Difference]: Finished difference Result 5381 states and 7266 transitions. [2021-12-15 08:56:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 08:56:21,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-12-15 08:56:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:21,824 INFO L225 Difference]: With dead ends: 5381 [2021-12-15 08:56:21,824 INFO L226 Difference]: Without dead ends: 3115 [2021-12-15 08:56:21,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:21,827 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 122 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:21,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 568 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 64 Invalid, 0 Unknown, 93 Unchecked, 0.1s Time] [2021-12-15 08:56:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2021-12-15 08:56:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 2986. [2021-12-15 08:56:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2985 states have (on average 1.338358458961474) internal successors, (3995), 2985 states have internal predecessors, (3995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3995 transitions. [2021-12-15 08:56:21,965 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3995 transitions. Word has length 104 [2021-12-15 08:56:21,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:21,966 INFO L470 AbstractCegarLoop]: Abstraction has 2986 states and 3995 transitions. [2021-12-15 08:56:21,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3995 transitions. [2021-12-15 08:56:21,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-15 08:56:21,970 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:21,970 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:21,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:22,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:22,171 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:22,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:22,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2022672797, now seen corresponding path program 1 times [2021-12-15 08:56:22,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:22,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904970750] [2021-12-15 08:56:22,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:22,172 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:22,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:22,188 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:22,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-15 08:56:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:22,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:22,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-15 08:56:22,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:22,342 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 08:56:22,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904970750] [2021-12-15 08:56:22,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904970750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:22,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:22,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:22,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331107718] [2021-12-15 08:56:22,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:22,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:22,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 08:56:22,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:22,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:22,344 INFO L87 Difference]: Start difference. First operand 2986 states and 3995 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:22,421 INFO L93 Difference]: Finished difference Result 8554 states and 11537 transitions. [2021-12-15 08:56:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:22,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-12-15 08:56:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:22,443 INFO L225 Difference]: With dead ends: 8554 [2021-12-15 08:56:22,443 INFO L226 Difference]: Without dead ends: 5749 [2021-12-15 08:56:22,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:22,446 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 123 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:22,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 358 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:22,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5749 states. [2021-12-15 08:56:22,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5749 to 5725. [2021-12-15 08:56:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5725 states, 5724 states have (on average 1.3338574423480083) internal successors, (7635), 5724 states have internal predecessors, (7635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5725 states to 5725 states and 7635 transitions. [2021-12-15 08:56:22,540 INFO L78 Accepts]: Start accepts. Automaton has 5725 states and 7635 transitions. Word has length 104 [2021-12-15 08:56:22,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:22,540 INFO L470 AbstractCegarLoop]: Abstraction has 5725 states and 7635 transitions. [2021-12-15 08:56:22,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5725 states and 7635 transitions. [2021-12-15 08:56:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-15 08:56:22,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:22,545 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:22,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:22,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:22,752 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:22,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:22,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1888659291, now seen corresponding path program 1 times [2021-12-15 08:56:22,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:22,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962080417] [2021-12-15 08:56:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:22,753 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:22,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:22,754 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:56:22,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-15 08:56:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 08:56:22,797 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 08:56:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 08:56:22,923 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-15 08:56:22,923 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 08:56:22,924 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 08:56:22,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:23,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:56:23,134 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, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:23,136 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 08:56:23,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:56:23 BoogieIcfgContainer [2021-12-15 08:56:23,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 08:56:23,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 08:56:23,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 08:56:23,214 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 08:56:23,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:06" (3/4) ... [2021-12-15 08:56:23,216 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-15 08:56:23,297 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 08:56:23,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 08:56:23,297 INFO L158 Benchmark]: Toolchain (without parser) took 18185.07ms. Allocated memory was 69.2MB in the beginning and 253.8MB in the end (delta: 184.5MB). Free memory was 51.2MB in the beginning and 184.8MB in the end (delta: -133.6MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2021-12-15 08:56:23,297 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:56:23,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.65ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 49.6MB in the end (delta: 1.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-12-15 08:56:23,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.82ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 47.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 08:56:23,298 INFO L158 Benchmark]: Boogie Preprocessor took 36.65ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 08:56:23,299 INFO L158 Benchmark]: RCFGBuilder took 634.71ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 44.9MB in the beginning and 67.8MB in the end (delta: -22.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-12-15 08:56:23,300 INFO L158 Benchmark]: TraceAbstraction took 17089.09ms. Allocated memory was 96.5MB in the beginning and 253.8MB in the end (delta: 157.3MB). Free memory was 67.3MB in the beginning and 204.7MB in the end (delta: -137.4MB). Peak memory consumption was 147.0MB. Max. memory is 16.1GB. [2021-12-15 08:56:23,300 INFO L158 Benchmark]: Witness Printer took 82.91ms. Allocated memory is still 253.8MB. Free memory was 204.7MB in the beginning and 184.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 08:56:23,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.65ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 49.6MB in the end (delta: 1.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.82ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 47.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.65ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 44.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.71ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 44.9MB in the beginning and 67.8MB in the end (delta: -22.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17089.09ms. Allocated memory was 96.5MB in the beginning and 253.8MB in the end (delta: 157.3MB). Free memory was 67.3MB in the beginning and 204.7MB in the end (delta: -137.4MB). Peak memory consumption was 147.0MB. Max. memory is 16.1GB. * Witness Printer took 82.91ms. Allocated memory is still 253.8MB. Free memory was 204.7MB in the beginning and 184.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. 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: 624]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L633] int __retres1 ; [L637] CALL ssl3_connect() [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] unsigned int s__version = __VERIFIER_nondet_uint(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L38] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L62] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L63] int tmp___3 = __VERIFIER_nondet_int(); [L64] int tmp___4 = __VERIFIER_nondet_int(); [L65] int tmp___5 = __VERIFIER_nondet_int(); [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z ; [L74] int __retres60 ; [L77] s__state = 12292 [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 VAL [blastFlag=0, cb=0, ret=4294967295, s__state=12292, skip=0, tmp___0=0] [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback VAL [blastFlag=0, cb=2, ret=4294967295, s__info_callback=2, s__state=12292, skip=0, tmp___0=0] [L93] s__in_handshake = s__in_handshake + 1 VAL [blastFlag=0, cb=2, ret=4294967295, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0] [L94] COND FALSE !(tmp___1 + 12288) VAL [blastFlag=0, cb=2, ret=4294967295, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L103] COND FALSE !(\read(s__hit)) [L106] ag_Z = 48 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L109] COND TRUE 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L111] state = s__state VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L112] COND TRUE s__state == 12292 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L222] s__server = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L223] COND TRUE cb != 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L228] COND FALSE !(s__version + 65280 != 768) [L234] s__type = 4096 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L235] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L253] COND FALSE !(! tmp___4) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2] [L259] COND FALSE !(! tmp___5) [L265] s__state = 4368 [L266] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L267] s__init_num = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND TRUE s__state == 4368 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L278] COND FALSE !(ret <= 0) [L283] s__state = 4384 [L284] ag_X = s__state - 32 [L285] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L286] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND TRUE s__state == 4384 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L294] ret = __VERIFIER_nondet_int() [L295] COND TRUE blastFlag == 1 [L296] blastFlag = 2 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L304] COND FALSE !(ret <= 0) [L309] s__state = ag_X VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4352, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L310] COND FALSE !(\read(s__hit)) [L313] s__state = s__state | ag_Z VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L315] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L139] COND TRUE s__state == 4400 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L319] COND TRUE (unsigned long )s__s3__tmp__new_cipher__algorithms + 256UL [L320] skip = 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L334] s__state = 4416 [L335] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L145] COND TRUE s__state == 4416 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L339] ret = __VERIFIER_nondet_int() [L340] COND FALSE !(blastFlag == 3) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L345] COND FALSE !(ret <= 0) [L350] s__state = 4432 [L351] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L352] COND FALSE !(! tmp___6) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L145] COND FALSE !(s__state == 4416) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L148] COND FALSE !(s__state == 4417) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L151] COND TRUE s__state == 4432 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L361] ret = __VERIFIER_nondet_int() [L362] COND TRUE blastFlag <= 5 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=4, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L624] reach_error() VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=4, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3162 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3162 mSDsluCounter, 10752 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1283 IncrementalHoareTripleChecker+Unchecked, 6156 mSDsCounter, 537 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1647 IncrementalHoareTripleChecker+Invalid, 3467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 537 mSolverCounterUnsat, 4596 mSDtfsCounter, 1647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2905 GetRequests, 2817 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5725occurred in iteration=24, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 1263 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1963 NumberOfCodeBlocks, 1963 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2881 ConstructedInterpolants, 658 QuantifiedInterpolants, 9274 SizeOfPredicates, 40 NumberOfNonLiveVariables, 2717 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 36 InterpolantComputations, 12 PerfectInterpolantSequences, 1944/2603 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! [2021-12-15 08:56:23,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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