./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 791161d1 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-?-791161d [2022-07-22 11:09:26,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 11:09:26,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 11:09:26,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 11:09:26,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 11:09:26,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 11:09:26,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 11:09:26,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 11:09:26,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 11:09:26,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 11:09:26,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 11:09:26,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 11:09:26,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 11:09:26,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 11:09:26,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 11:09:26,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 11:09:26,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 11:09:26,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 11:09:26,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 11:09:26,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 11:09:26,692 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 11:09:26,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 11:09:26,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 11:09:26,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 11:09:26,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 11:09:26,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 11:09:26,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 11:09:26,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 11:09:26,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 11:09:26,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 11:09:26,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 11:09:26,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 11:09:26,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 11:09:26,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 11:09:26,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 11:09:26,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 11:09:26,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 11:09:26,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 11:09:26,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 11:09:26,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 11:09:26,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 11:09:26,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 11:09:26,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 11:09:26,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 11:09:26,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 11:09:26,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 11:09:26,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 11:09:26,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 11:09:26,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 11:09:26,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 11:09:26,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 11:09:26,745 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 11:09:26,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 11:09:26,747 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 11:09:26,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 11:09:26,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 11:09:26,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 11:09:26,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 11:09:26,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 11:09:26,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 11:09:26,748 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 11:09:26,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 11:09:26,749 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 11:09:26,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 11:09:26,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 11:09:26,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 11:09:26,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 11:09:26,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:09:26,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 11:09:26,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 11:09:26,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 11:09:26,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 11:09:26,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 11:09:26,751 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 11:09:26,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 11:09:26,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 11:09:26,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23695d2f31075e37a5486cdd7bf866dd75a59133296811d9b8471bfe44c679d2 [2022-07-22 11:09:26,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 11:09:26,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 11:09:26,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 11:09:26,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 11:09:26,987 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 11:09:26,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2022-07-22 11:09:27,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e4c2d90/a62aafe3c2d24d729633947f8872c6fe/FLAG129fe3a0d [2022-07-22 11:09:27,445 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 11:09:27,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_10.cil.c [2022-07-22 11:09:27,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e4c2d90/a62aafe3c2d24d729633947f8872c6fe/FLAG129fe3a0d [2022-07-22 11:09:27,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e4c2d90/a62aafe3c2d24d729633947f8872c6fe [2022-07-22 11:09:27,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 11:09:27,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 11:09:27,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 11:09:27,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 11:09:27,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 11:09:27,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495a5a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27, skipping insertion in model container [2022-07-22 11:09:27,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 11:09:27,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 11:09:27,698 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] [2022-07-22 11:09:27,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:09:27,709 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 11:09:27,762 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] [2022-07-22 11:09:27,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:09:27,775 INFO L208 MainTranslator]: Completed translation [2022-07-22 11:09:27,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27 WrapperNode [2022-07-22 11:09:27,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 11:09:27,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 11:09:27,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 11:09:27,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 11:09:27,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,819 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 559 [2022-07-22 11:09:27,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 11:09:27,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 11:09:27,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 11:09:27,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 11:09:27,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 11:09:27,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 11:09:27,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 11:09:27,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 11:09:27,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (1/1) ... [2022-07-22 11:09:27,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:09:27,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:09:27,892 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) [2022-07-22 11:09:27,906 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 [2022-07-22 11:09:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 11:09:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 11:09:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 11:09:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 11:09:28,013 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 11:09:28,014 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 11:09:28,026 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 11:09:28,512 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-07-22 11:09:28,512 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-07-22 11:09:28,514 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 11:09:28,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 11:09:28,521 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 11:09:28,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:09:28 BoogieIcfgContainer [2022-07-22 11:09:28,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 11:09:28,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 11:09:28,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 11:09:28,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 11:09:28,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:09:27" (1/3) ... [2022-07-22 11:09:28,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33653549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:09:28, skipping insertion in model container [2022-07-22 11:09:28,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:09:27" (2/3) ... [2022-07-22 11:09:28,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33653549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:09:28, skipping insertion in model container [2022-07-22 11:09:28,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:09:28" (3/3) ... [2022-07-22 11:09:28,530 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2022-07-22 11:09:28,541 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 11:09:28,542 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 11:09:28,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 11:09:28,587 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@2ec06f0e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5396fc26 [2022-07-22 11:09:28,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 11:09:28,591 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) [2022-07-22 11:09:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 11:09:28,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:09:28,598 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] [2022-07-22 11:09:28,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:09:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:09:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1530370178, now seen corresponding path program 1 times [2022-07-22 11:09:28,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:09:28,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391406059] [2022-07-22 11:09:28,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:09:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:09:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:09:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:09:28,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:09:28,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391406059] [2022-07-22 11:09:28,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391406059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:09:28,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:09:28,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:09:28,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531475536] [2022-07-22 11:09:28,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:09:28,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:09:28,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:09:28,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:09:28,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:09:28,869 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) [2022-07-22 11:09:29,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:09:29,073 INFO L93 Difference]: Finished difference Result 312 states and 530 transitions. [2022-07-22 11:09:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:09:29,075 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 [2022-07-22 11:09:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:09:29,083 INFO L225 Difference]: With dead ends: 312 [2022-07-22 11:09:29,084 INFO L226 Difference]: Without dead ends: 153 [2022-07-22 11:09:29,086 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 [2022-07-22 11:09:29,089 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 11:09:29,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 195 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 11:09:29,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-07-22 11:09:29,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2022-07-22 11:09:29,122 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) [2022-07-22 11:09:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 236 transitions. [2022-07-22 11:09:29,124 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 236 transitions. Word has length 23 [2022-07-22 11:09:29,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:09:29,124 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 236 transitions. [2022-07-22 11:09:29,125 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) [2022-07-22 11:09:29,125 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 236 transitions. [2022-07-22 11:09:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-22 11:09:29,126 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:09:29,126 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] [2022-07-22 11:09:29,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 11:09:29,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:09:29,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:09:29,127 INFO L85 PathProgramCache]: Analyzing trace with hash -595070533, now seen corresponding path program 1 times [2022-07-22 11:09:29,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:09:29,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279165584] [2022-07-22 11:09:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:09:29,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:09:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:09:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:09:29,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:09:29,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279165584] [2022-07-22 11:09:29,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279165584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:09:29,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:09:29,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:09:29,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366233727] [2022-07-22 11:09:29,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:09:29,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:09:29,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:09:29,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:09:29,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:09:29,180 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) [2022-07-22 11:09:29,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:09:29,306 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2022-07-22 11:09:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:09:29,307 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 [2022-07-22 11:09:29,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:09:29,314 INFO L225 Difference]: With dead ends: 314 [2022-07-22 11:09:29,314 INFO L226 Difference]: Without dead ends: 171 [2022-07-22 11:09:29,321 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 [2022-07-22 11:09:29,322 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 [2022-07-22 11:09:29,323 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] [2022-07-22 11:09:29,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-07-22 11:09:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2022-07-22 11:09:29,335 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) [2022-07-22 11:09:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 267 transitions. [2022-07-22 11:09:29,335 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 267 transitions. Word has length 24 [2022-07-22 11:09:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:09:29,336 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 267 transitions. [2022-07-22 11:09:29,336 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) [2022-07-22 11:09:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 267 transitions. [2022-07-22 11:09:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-22 11:09:29,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:09:29,337 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] [2022-07-22 11:09:29,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 11:09:29,337 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:09:29,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:09:29,338 INFO L85 PathProgramCache]: Analyzing trace with hash 61695231, now seen corresponding path program 1 times [2022-07-22 11:09:29,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:09:29,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533878656] [2022-07-22 11:09:29,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:09:29,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:09:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:09:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:09:29,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:09:29,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533878656] [2022-07-22 11:09:29,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533878656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:09:29,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:09:29,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:09:29,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974826653] [2022-07-22 11:09:29,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:09:29,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:09:29,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:09:29,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:09:29,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:09:29,388 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) [2022-07-22 11:09:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:09:29,494 INFO L93 Difference]: Finished difference Result 331 states and 524 transitions. [2022-07-22 11:09:29,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:09:29,494 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 [2022-07-22 11:09:29,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:09:29,496 INFO L225 Difference]: With dead ends: 331 [2022-07-22 11:09:29,496 INFO L226 Difference]: Without dead ends: 170 [2022-07-22 11:09:29,499 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 [2022-07-22 11:09:29,505 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 [2022-07-22 11:09:29,506 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] [2022-07-22 11:09:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-07-22 11:09:29,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2022-07-22 11:09:29,523 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) [2022-07-22 11:09:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 268 transitions. [2022-07-22 11:09:29,524 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 268 transitions. Word has length 24 [2022-07-22 11:09:29,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:09:29,524 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 268 transitions. [2022-07-22 11:09:29,525 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) [2022-07-22 11:09:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2022-07-22 11:09:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 11:09:29,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:09:29,539 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] [2022-07-22 11:09:29,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 11:09:29,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:09:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:09:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash -77832335, now seen corresponding path program 1 times [2022-07-22 11:09:29,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:09:29,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854092711] [2022-07-22 11:09:29,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:09:29,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:09:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:09:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:09:29,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:09:29,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854092711] [2022-07-22 11:09:29,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854092711] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:09:29,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:09:29,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:09:29,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928744292] [2022-07-22 11:09:29,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:09:29,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:09:29,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:09:29,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:09:29,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:09:29,627 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) [2022-07-22 11:09:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:09:29,714 INFO L93 Difference]: Finished difference Result 341 states and 536 transitions. [2022-07-22 11:09:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:09:29,715 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 [2022-07-22 11:09:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:09:29,718 INFO L225 Difference]: With dead ends: 341 [2022-07-22 11:09:29,718 INFO L226 Difference]: Without dead ends: 179 [2022-07-22 11:09:29,718 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 [2022-07-22 11:09:29,720 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 [2022-07-22 11:09:29,720 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] [2022-07-22 11:09:29,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-07-22 11:09:29,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-07-22 11:09:29,729 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) [2022-07-22 11:09:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 277 transitions. [2022-07-22 11:09:29,730 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 277 transitions. Word has length 25 [2022-07-22 11:09:29,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:09:29,730 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 277 transitions. [2022-07-22 11:09:29,731 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) [2022-07-22 11:09:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 277 transitions. [2022-07-22 11:09:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 11:09:29,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:09:29,732 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] [2022-07-22 11:09:29,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 11:09:29,732 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:09:29,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:09:29,733 INFO L85 PathProgramCache]: Analyzing trace with hash 845996009, now seen corresponding path program 1 times [2022-07-22 11:09:29,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:09:29,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673836774] [2022-07-22 11:09:29,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:09:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:09:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:09:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:09:29,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:09:29,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673836774] [2022-07-22 11:09:29,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673836774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:09:29,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:09:29,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:09:29,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563004980] [2022-07-22 11:09:29,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:09:29,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:09:29,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:09:29,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:09:29,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:09:29,767 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) [2022-07-22 11:09:29,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:09:29,856 INFO L93 Difference]: Finished difference Result 360 states and 554 transitions. [2022-07-22 11:09:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:09:29,856 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 [2022-07-22 11:09:29,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:09:29,857 INFO L225 Difference]: With dead ends: 360 [2022-07-22 11:09:29,857 INFO L226 Difference]: Without dead ends: 189 [2022-07-22 11:09:29,858 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 [2022-07-22 11:09:29,858 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 [2022-07-22 11:09:29,859 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] [2022-07-22 11:09:29,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-07-22 11:09:29,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2022-07-22 11:09:29,866 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) [2022-07-22 11:09:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2022-07-22 11:09:29,867 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 26 [2022-07-22 11:09:29,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:09:29,867 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2022-07-22 11:09:29,867 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) [2022-07-22 11:09:29,867 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2022-07-22 11:09:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-22 11:09:29,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:09:29,868 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] [2022-07-22 11:09:29,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 11:09:29,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:09:29,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:09:29,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1554339536, now seen corresponding path program 1 times [2022-07-22 11:09:29,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:09:29,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681143322] [2022-07-22 11:09:29,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:09:29,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:09:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:09:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:09:29,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:09:29,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681143322] [2022-07-22 11:09:29,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681143322] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:09:29,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:09:29,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:09:29,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304490680] [2022-07-22 11:09:29,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:09:29,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:09:29,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:09:29,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:09:29,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:09:29,899 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) [2022-07-22 11:09:30,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:09:30,001 INFO L93 Difference]: Finished difference Result 360 states and 550 transitions. [2022-07-22 11:09:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:09:30,002 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 [2022-07-22 11:09:30,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:09:30,003 INFO L225 Difference]: With dead ends: 360 [2022-07-22 11:09:30,003 INFO L226 Difference]: Without dead ends: 189 [2022-07-22 11:09:30,004 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 [2022-07-22 11:09:30,005 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 [2022-07-22 11:09:30,005 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] [2022-07-22 11:09:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-07-22 11:09:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2022-07-22 11:09:30,023 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) [2022-07-22 11:09:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 273 transitions. [2022-07-22 11:09:30,023 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 273 transitions. Word has length 27 [2022-07-22 11:09:30,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:09:30,024 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 273 transitions. [2022-07-22 11:09:30,024 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) [2022-07-22 11:09:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 273 transitions. [2022-07-22 11:09:30,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-22 11:09:30,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:09:30,027 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] [2022-07-22 11:09:30,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 11:09:30,027 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:09:30,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:09:30,028 INFO L85 PathProgramCache]: Analyzing trace with hash 552780476, now seen corresponding path program 1 times [2022-07-22 11:09:30,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:09:30,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914055469] [2022-07-22 11:09:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:09:30,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:09:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 11:09:30,060 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 11:09:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 11:09:30,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 11:09:30,110 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 11:09:30,111 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 11:09:30,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 11:09:30,115 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:09:30,117 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 11:09:30,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:09:30 BoogieIcfgContainer [2022-07-22 11:09:30,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 11:09:30,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 11:09:30,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 11:09:30,208 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 11:09:30,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:09:28" (3/4) ... [2022-07-22 11:09:30,210 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-22 11:09:30,289 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 11:09:30,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 11:09:30,290 INFO L158 Benchmark]: Toolchain (without parser) took 2815.43ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 56.1MB in the beginning and 71.6MB in the end (delta: -15.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-07-22 11:09:30,290 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 11:09:30,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.65ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 65.4MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 11:09:30,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.15ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 62.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 11:09:30,291 INFO L158 Benchmark]: Boogie Preprocessor took 27.59ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 11:09:30,291 INFO L158 Benchmark]: RCFGBuilder took 672.21ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 59.8MB in the end (delta: 447.2kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-07-22 11:09:30,291 INFO L158 Benchmark]: TraceAbstraction took 1682.02ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 59.7MB in the beginning and 77.9MB in the end (delta: -18.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-07-22 11:09:30,291 INFO L158 Benchmark]: Witness Printer took 82.30ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 71.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 11:09:30,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.65ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 65.4MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.15ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 62.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.59ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.21ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 59.8MB in the end (delta: 447.2kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1682.02ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 59.7MB in the beginning and 77.9MB in the end (delta: -18.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 82.30ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 71.6MB in the end (delta: 6.3MB). 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: 1.5s, 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, 0.4s 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, 0.2s 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! [2022-07-22 11:09:30,336 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