./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23695d2f31075e37a5486cdd7bf866dd75a59133296811d9b8471bfe44c679d2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 22:31:26,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:31:26,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:31:26,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:31:26,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:31:26,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:31:26,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:31:26,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:31:26,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:31:26,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:31:26,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:31:26,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:31:26,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:31:26,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:31:26,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:31:26,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:31:26,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:31:26,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:31:26,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:31:26,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:31:26,738 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:31:26,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:31:26,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:31:26,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:31:26,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:31:26,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:31:26,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:31:26,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:31:26,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:31:26,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:31:26,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:31:26,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:31:26,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:31:26,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:31:26,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:31:26,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:31:26,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:31:26,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:31:26,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:31:26,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:31:26,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:31:26,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:31:26,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 22:31:26,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:31:26,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:31:26,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:31:26,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:31:26,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:31:26,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:31:26,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:31:26,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:31:26,792 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:31:26,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:31:26,793 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:31:26,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 22:31:26,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:31:26,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:31:26,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:31:26,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:31:26,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:31:26,794 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:31:26,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:31:26,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:31:26,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:31:26,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:31:26,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:31:26,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:31:26,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:31:26,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:31:26,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:31:26,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:31:26,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 22:31:26,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 22:31:26,796 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:31:26,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:31:26,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:31:26,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23695d2f31075e37a5486cdd7bf866dd75a59133296811d9b8471bfe44c679d2 [2022-07-20 22:31:27,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:31:27,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:31:27,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:31:27,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:31:27,180 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:31:27,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2022-07-20 22:31:27,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ef61182/15d0d5967a3a4125acf4e598da926a53/FLAGf4171427d [2022-07-20 22:31:27,693 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:31:27,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2022-07-20 22:31:27,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ef61182/15d0d5967a3a4125acf4e598da926a53/FLAGf4171427d [2022-07-20 22:31:27,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ef61182/15d0d5967a3a4125acf4e598da926a53 [2022-07-20 22:31:27,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:31:27,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:31:27,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:31:27,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:31:27,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:31:27,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:31:27" (1/1) ... [2022-07-20 22:31:27,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16de4465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:27, skipping insertion in model container [2022-07-20 22:31:27,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:31:27" (1/1) ... [2022-07-20 22:31:27,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:31:27,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:31:27,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c[43740,43753] [2022-07-20 22:31:28,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:31:28,018 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:31:28,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c[43740,43753] [2022-07-20 22:31:28,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:31:28,105 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:31:28,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28 WrapperNode [2022-07-20 22:31:28,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:31:28,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:31:28,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:31:28,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:31:28,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,167 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 559 [2022-07-20 22:31:28,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:31:28,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:31:28,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:31:28,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:31:28,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:31:28,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:31:28,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:31:28,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:31:28,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (1/1) ... [2022-07-20 22:31:28,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:31:28,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:31:28,252 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) [2022-07-20 22:31:28,271 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 [2022-07-20 22:31:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:31:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 22:31:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:31:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:31:28,419 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:31:28,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:31:28,435 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-20 22:31:28,897 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-07-20 22:31:28,898 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-07-20 22:31:28,898 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:31:28,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:31:28,909 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 22:31:28,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:31:28 BoogieIcfgContainer [2022-07-20 22:31:28,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:31:28,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:31:28,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:31:28,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:31:28,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:31:27" (1/3) ... [2022-07-20 22:31:28,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102b4744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:31:28, skipping insertion in model container [2022-07-20 22:31:28,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:31:28" (2/3) ... [2022-07-20 22:31:28,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102b4744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:31:28, skipping insertion in model container [2022-07-20 22:31:28,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:31:28" (3/3) ... [2022-07-20 22:31:28,926 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2022-07-20 22:31:28,937 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:31:28,938 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:31:28,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:31:28,982 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6fa9cf9c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@74c66e7e [2022-07-20 22:31:28,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:31:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 145 states have (on average 1.7241379310344827) internal successors, (250), 146 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-20 22:31:28,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:28,993 INFO L195 NwaCegarLoop]: 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] [2022-07-20 22:31:28,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:28,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:28,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1530370178, now seen corresponding path program 1 times [2022-07-20 22:31:29,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:29,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79522019] [2022-07-20 22:31:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:29,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:31:29,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:29,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79522019] [2022-07-20 22:31:29,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79522019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:31:29,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:31:29,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:31:29,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004891267] [2022-07-20 22:31:29,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:31:29,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:31:29,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:29,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:31:29,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:31:29,183 INFO L87 Difference]: Start difference. First operand has 147 states, 145 states have (on average 1.7241379310344827) internal successors, (250), 146 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:29,383 INFO L93 Difference]: Finished difference Result 312 states and 530 transitions. [2022-07-20 22:31:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:31:29,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-07-20 22:31:29,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:29,394 INFO L225 Difference]: With dead ends: 312 [2022-07-20 22:31:29,394 INFO L226 Difference]: Without dead ends: 153 [2022-07-20 22:31:29,397 INFO L412 NwaCegarLoop]: 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 [2022-07-20 22:31:29,399 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 209 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:29,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 195 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 22:31:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-07-20 22:31:29,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2022-07-20 22:31:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.5733333333333333) internal successors, (236), 150 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 236 transitions. [2022-07-20 22:31:29,439 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 236 transitions. Word has length 23 [2022-07-20 22:31:29,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:29,440 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 236 transitions. [2022-07-20 22:31:29,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 236 transitions. [2022-07-20 22:31:29,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-20 22:31:29,441 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:29,442 INFO L195 NwaCegarLoop]: 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] [2022-07-20 22:31:29,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 22:31:29,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:29,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:29,443 INFO L85 PathProgramCache]: Analyzing trace with hash -595070533, now seen corresponding path program 1 times [2022-07-20 22:31:29,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:29,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544540159] [2022-07-20 22:31:29,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:29,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:31:29,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:29,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544540159] [2022-07-20 22:31:29,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544540159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:31:29,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:31:29,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:31:29,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324775738] [2022-07-20 22:31:29,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:31:29,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:31:29,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:29,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:31:29,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:31:29,496 INFO L87 Difference]: Start difference. First operand 151 states and 236 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:29,612 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2022-07-20 22:31:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:31:29,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-20 22:31:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:29,614 INFO L225 Difference]: With dead ends: 314 [2022-07-20 22:31:29,615 INFO L226 Difference]: Without dead ends: 171 [2022-07-20 22:31:29,616 INFO L412 NwaCegarLoop]: 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 [2022-07-20 22:31:29,617 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 168 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:29,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 149 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:31:29,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-07-20 22:31:29,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2022-07-20 22:31:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.5892857142857142) internal successors, (267), 168 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 267 transitions. [2022-07-20 22:31:29,630 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 267 transitions. Word has length 24 [2022-07-20 22:31:29,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:29,630 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 267 transitions. [2022-07-20 22:31:29,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 267 transitions. [2022-07-20 22:31:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-20 22:31:29,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:29,632 INFO L195 NwaCegarLoop]: 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] [2022-07-20 22:31:29,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 22:31:29,632 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:29,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:29,633 INFO L85 PathProgramCache]: Analyzing trace with hash 61695231, now seen corresponding path program 1 times [2022-07-20 22:31:29,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:29,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749810598] [2022-07-20 22:31:29,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:29,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:31:29,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:29,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749810598] [2022-07-20 22:31:29,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749810598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:31:29,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:31:29,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:31:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490912244] [2022-07-20 22:31:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:31:29,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:31:29,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:29,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:31:29,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:31:29,681 INFO L87 Difference]: Start difference. First operand 169 states and 267 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:29,796 INFO L93 Difference]: Finished difference Result 331 states and 524 transitions. [2022-07-20 22:31:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:31:29,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-20 22:31:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:29,800 INFO L225 Difference]: With dead ends: 331 [2022-07-20 22:31:29,800 INFO L226 Difference]: Without dead ends: 170 [2022-07-20 22:31:29,804 INFO L412 NwaCegarLoop]: 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 [2022-07-20 22:31:29,805 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 166 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:29,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 149 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:31:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-07-20 22:31:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-07-20 22:31:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.5857988165680474) internal successors, (268), 169 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 268 transitions. [2022-07-20 22:31:29,816 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 268 transitions. Word has length 24 [2022-07-20 22:31:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:29,817 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 268 transitions. [2022-07-20 22:31:29,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2022-07-20 22:31:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-20 22:31:29,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:29,818 INFO L195 NwaCegarLoop]: 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] [2022-07-20 22:31:29,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 22:31:29,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:29,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:29,819 INFO L85 PathProgramCache]: Analyzing trace with hash -77832335, now seen corresponding path program 1 times [2022-07-20 22:31:29,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:29,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180302915] [2022-07-20 22:31:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:29,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:31:29,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:29,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180302915] [2022-07-20 22:31:29,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180302915] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:31:29,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:31:29,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:31:29,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752012269] [2022-07-20 22:31:29,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:31:29,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:31:29,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:29,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:31:29,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:31:29,860 INFO L87 Difference]: Start difference. First operand 170 states and 268 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:29,945 INFO L93 Difference]: Finished difference Result 341 states and 536 transitions. [2022-07-20 22:31:29,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:31:29,945 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 [2022-07-20 22:31:29,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:29,946 INFO L225 Difference]: With dead ends: 341 [2022-07-20 22:31:29,947 INFO L226 Difference]: Without dead ends: 179 [2022-07-20 22:31:29,947 INFO L412 NwaCegarLoop]: 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 [2022-07-20 22:31:29,948 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:29,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 160 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:31:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-07-20 22:31:29,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-07-20 22:31:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.5561797752808988) internal successors, (277), 178 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 277 transitions. [2022-07-20 22:31:29,957 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 277 transitions. Word has length 25 [2022-07-20 22:31:29,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:29,958 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 277 transitions. [2022-07-20 22:31:29,958 INFO L496 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) [2022-07-20 22:31:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 277 transitions. [2022-07-20 22:31:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-20 22:31:29,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:29,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:31:29,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 22:31:29,960 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:29,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:29,960 INFO L85 PathProgramCache]: Analyzing trace with hash 845996009, now seen corresponding path program 1 times [2022-07-20 22:31:29,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:29,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972302469] [2022-07-20 22:31:29,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:29,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:31:29,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:29,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972302469] [2022-07-20 22:31:29,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972302469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:31:29,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:31:29,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:31:29,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253643781] [2022-07-20 22:31:29,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:31:29,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:31:29,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:29,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:31:29,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:31:29,999 INFO L87 Difference]: Start difference. First operand 179 states and 277 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:30,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:30,128 INFO L93 Difference]: Finished difference Result 360 states and 554 transitions. [2022-07-20 22:31:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:31:30,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-07-20 22:31:30,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:30,130 INFO L225 Difference]: With dead ends: 360 [2022-07-20 22:31:30,130 INFO L226 Difference]: Without dead ends: 189 [2022-07-20 22:31:30,131 INFO L412 NwaCegarLoop]: 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 [2022-07-20 22:31:30,133 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 172 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:30,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 159 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:31:30,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-07-20 22:31:30,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2022-07-20 22:31:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.5449438202247192) internal successors, (275), 178 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2022-07-20 22:31:30,147 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 26 [2022-07-20 22:31:30,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:30,149 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2022-07-20 22:31:30,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2022-07-20 22:31:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-20 22:31:30,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:30,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:31:30,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 22:31:30,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:30,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:30,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1554339536, now seen corresponding path program 1 times [2022-07-20 22:31:30,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:30,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115592739] [2022-07-20 22:31:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:30,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:31:30,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:30,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115592739] [2022-07-20 22:31:30,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115592739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:31:30,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:31:30,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:31:30,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331913508] [2022-07-20 22:31:30,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:31:30,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:31:30,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:30,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:31:30,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:31:30,193 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:30,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:30,281 INFO L93 Difference]: Finished difference Result 360 states and 550 transitions. [2022-07-20 22:31:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:31:30,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-20 22:31:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:30,282 INFO L225 Difference]: With dead ends: 360 [2022-07-20 22:31:30,283 INFO L226 Difference]: Without dead ends: 189 [2022-07-20 22:31:30,283 INFO L412 NwaCegarLoop]: 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 [2022-07-20 22:31:30,284 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 170 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:30,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 160 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:31:30,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-07-20 22:31:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2022-07-20 22:31:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.5337078651685394) internal successors, (273), 178 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 273 transitions. [2022-07-20 22:31:30,292 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 273 transitions. Word has length 27 [2022-07-20 22:31:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:30,292 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 273 transitions. [2022-07-20 22:31:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:31:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 273 transitions. [2022-07-20 22:31:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-20 22:31:30,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:30,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:31:30,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 22:31:30,294 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:30,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash 552780476, now seen corresponding path program 1 times [2022-07-20 22:31:30,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:30,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131772453] [2022-07-20 22:31:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:30,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:31:30,327 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 22:31:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:31:30,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-20 22:31:30,364 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 22:31:30,365 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 22:31:30,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 22:31:30,369 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:31:30,372 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 22:31:30,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:31:30 BoogieIcfgContainer [2022-07-20 22:31:30,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 22:31:30,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 22:31:30,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 22:31:30,439 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 22:31:30,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:31:28" (3/4) ... [2022-07-20 22:31:30,441 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-20 22:31:30,526 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 22:31:30,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 22:31:30,527 INFO L158 Benchmark]: Toolchain (without parser) took 2802.52ms. Allocated memory was 60.8MB in the beginning and 117.4MB in the end (delta: 56.6MB). Free memory was 38.8MB in the beginning and 92.8MB in the end (delta: -54.0MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-07-20 22:31:30,527 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:31:30,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.67ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 39.8MB in the end (delta: -1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 22:31:30,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.36ms. Allocated memory is still 60.8MB. Free memory was 39.6MB in the beginning and 36.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-20 22:31:30,528 INFO L158 Benchmark]: Boogie Preprocessor took 45.75ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 34.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-20 22:31:30,529 INFO L158 Benchmark]: RCFGBuilder took 691.61ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 34.5MB in the beginning and 45.1MB in the end (delta: -10.6MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-07-20 22:31:30,529 INFO L158 Benchmark]: TraceAbstraction took 1524.49ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 44.8MB in the beginning and 61.8MB in the end (delta: -17.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-07-20 22:31:30,529 INFO L158 Benchmark]: Witness Printer took 87.95ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 92.8MB in the end (delta: -31.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-20 22:31:30,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.67ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 39.8MB in the end (delta: -1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.36ms. Allocated memory is still 60.8MB. Free memory was 39.6MB in the beginning and 36.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.75ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 34.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.61ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 34.5MB in the beginning and 45.1MB in the end (delta: -10.6MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1524.49ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 44.8MB in the beginning and 61.8MB in the end (delta: -17.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 87.95ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 92.8MB in the end (delta: -31.0MB). Peak memory consumption was 6.3MB. 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: 640]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L646] int s ; [L647] int tmp ; [L651] s = 8464 [L652] CALL ssl3_accept(s) [L23] int s__info_callback = __VERIFIER_nondet_int() ; [L24] int s__in_handshake = __VERIFIER_nondet_int() ; [L25] int s__state ; [L26] int s__new_session ; [L27] int s__server ; [L28] int s__version = __VERIFIER_nondet_int() ; [L29] int s__type ; [L30] int s__init_num ; [L31] int s__hit = __VERIFIER_nondet_int() ; [L32] int s__rwstate ; [L33] int s__init_buf___0 = 1; [L34] int s__debug = __VERIFIER_nondet_int() ; [L35] int s__shutdown ; [L36] int s__cert = __VERIFIER_nondet_int() ; [L37] int s__options = __VERIFIER_nondet_int() ; [L38] int s__verify_mode = __VERIFIER_nondet_int() ; [L39] int s__session__peer = __VERIFIER_nondet_int() ; [L40] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L41] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L44] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L45] int s__s3__tmp__cert_request ; [L46] int s__s3__tmp__reuse_message ; [L47] int s__s3__tmp__use_rsa_tmp ; [L48] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__new_cipher__algorithms ; [L50] int s__s3__tmp__next_state___0 ; [L51] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L52] int s__session__cipher ; [L53] int buf = __VERIFIER_nondet_int() ; [L54] unsigned long l ; [L55] unsigned long Time ; [L56] unsigned long tmp = __VERIFIER_nondet_long() ; [L57] int cb ; [L58] long num1 ; [L59] int ret ; [L60] int new_state ; [L61] int state ; [L62] int skip ; [L63] int got_new_session ; [L64] int tmp___1 = __VERIFIER_nondet_int() ; [L65] int tmp___2 = __VERIFIER_nondet_int() ; [L66] int tmp___3 ; [L67] int tmp___4 ; [L68] int tmp___5 ; [L69] int tmp___6 ; [L70] int tmp___7 ; [L71] long tmp___8 = __VERIFIER_nondet_long() ; [L72] int tmp___9 ; [L73] int tmp___10 ; [L74] int blastFlag ; [L75] int __cil_tmp55 ; [L76] unsigned long __cil_tmp56 ; [L77] unsigned long __cil_tmp57 ; [L78] unsigned long __cil_tmp58 ; [L79] unsigned long __cil_tmp59 ; [L80] int __cil_tmp60 ; [L81] unsigned long __cil_tmp61 ; [L84] s__s3__tmp__new_cipher__algorithms = 0 [L85] __cil_tmp56 = 0 [L86] __cil_tmp57 = 0 [L87] __cil_tmp58 = 0 [L88] __cil_tmp59 = 0 [L89] __cil_tmp60 = 0 [L90] __cil_tmp61 = 0 [L91] s__s3__tmp__reuse_message = 0 [L92] s__state = initial_state [L93] blastFlag = 0 [L94] Time = tmp [L95] cb = 0 [L96] ret = -1 [L97] skip = 0 [L98] got_new_session = 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=0, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=-1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L99] COND TRUE s__info_callback != 0 [L100] cb = s__info_callback VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=-1, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L106] s__in_handshake ++ VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L107] COND FALSE !(tmp___1 + 12288) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L112] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L116] COND TRUE 1 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L118] state = s__state VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L119] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L122] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L125] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L128] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L131] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L134] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L137] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L140] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L143] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=0, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L287] s__shutdown = 0 [L288] ret = __VERIFIER_nondet_int() [L289] COND TRUE blastFlag == 0 [L290] blastFlag = 1 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=0, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L292] COND FALSE !(ret <= 0) [L295] got_new_session = 1 [L296] s__state = 8496 [L297] s__init_num = 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L603] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L604] COND TRUE ! skip VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L605] COND TRUE state == 8464 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L606] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L607] COND TRUE cb != 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L608] COND TRUE s__info_callback != 0 VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] [L640] reach_error() VAL [\old(initial_state)=8464, __cil_tmp56=0, __cil_tmp57=0, __cil_tmp58=0, __cil_tmp59=0, __cil_tmp60=0, __cil_tmp61=0, blastFlag=1, buf=0, cb=1, got_new_session=1, initial_state=8464, ret=4, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=4294967295, tmp=4294967295, tmp___1=-12288, tmp___2=0, tmp___8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1058 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1058 mSDsluCounter, 972 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 496 IncrementalHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 846 mSDtfsCounter, 496 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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! [2022-07-20 22:31:30,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE