/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 01:58:39,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 01:58:39,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 01:58:39,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 01:58:39,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 01:58:39,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 01:58:39,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 01:58:39,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 01:58:39,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 01:58:39,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 01:58:39,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 01:58:39,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 01:58:39,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 01:58:39,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 01:58:39,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 01:58:39,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 01:58:39,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 01:58:39,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 01:58:39,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 01:58:39,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 01:58:39,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 01:58:39,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 01:58:39,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 01:58:39,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 01:58:39,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-24 01:58:39,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-24 01:58:39,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-24 01:58:39,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-24 01:58:39,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-24 01:58:39,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-24 01:58:39,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-24 01:58:39,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-24 01:58:39,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-24 01:58:39,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-24 01:58:39,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-24 01:58:39,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-24 01:58:39,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-24 01:58:39,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-24 01:58:39,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 01:58:39,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 01:58:39,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 01:58:39,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-02-24 01:58:39,985 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 01:58:39,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 01:58:39,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 01:58:39,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-24 01:58:39,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 01:58:39,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-24 01:58:39,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 01:58:39,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 01:58:39,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 01:58:39,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 01:58:39,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 01:58:39,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 01:58:39,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 01:58:39,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 01:58:39,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 01:58:39,989 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-02-24 01:58:39,989 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 01:58:40,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 01:58:40,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 01:58:40,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 01:58:40,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 01:58:40,199 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 01:58:40,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_14.cil.c [2022-02-24 01:58:40,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9453c7482/c297a9a9400241b0a1d61e6720464c80/FLAG4b8120d9f [2022-02-24 01:58:40,608 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 01:58:40,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_14.cil.c [2022-02-24 01:58:40,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9453c7482/c297a9a9400241b0a1d61e6720464c80/FLAG4b8120d9f [2022-02-24 01:58:41,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9453c7482/c297a9a9400241b0a1d61e6720464c80 [2022-02-24 01:58:41,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 01:58:41,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 01:58:41,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 01:58:41,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 01:58:41,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 01:58:41,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@988310d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41, skipping insertion in model container [2022-02-24 01:58:41,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 01:58:41,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 01:58:41,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_14.cil.c[45163,45176] [2022-02-24 01:58:41,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 01:58:41,324 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 01:58:41,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_14.cil.c[45163,45176] [2022-02-24 01:58:41,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 01:58:41,403 INFO L208 MainTranslator]: Completed translation [2022-02-24 01:58:41,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41 WrapperNode [2022-02-24 01:58:41,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 01:58:41,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 01:58:41,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 01:58:41,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 01:58:41,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 01:58:41,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 01:58:41,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 01:58:41,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 01:58:41,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (1/1) ... [2022-02-24 01:58:41,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 01:58:41,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 01:58:41,494 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) [2022-02-24 01:58:41,513 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 [2022-02-24 01:58:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 01:58:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 01:58:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 01:58:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-02-24 01:58:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 01:58:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 01:58:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 01:58:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 01:58:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 01:58:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-02-24 01:58:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-24 01:58:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-02-24 01:58:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-02-24 01:58:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 01:58:41,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 01:58:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 01:58:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 01:58:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 01:58:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 01:58:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 01:58:41,628 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 01:58:41,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 01:58:41,696 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-02-24 01:58:41,957 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-02-24 01:58:41,957 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-02-24 01:58:41,962 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 01:58:41,978 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 01:58:41,978 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-24 01:58:41,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:58:41 BoogieIcfgContainer [2022-02-24 01:58:41,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 01:58:41,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 01:58:41,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 01:58:41,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 01:58:41,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 01:58:41" (1/3) ... [2022-02-24 01:58:41,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d6d44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:58:41, skipping insertion in model container [2022-02-24 01:58:41,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:41" (2/3) ... [2022-02-24 01:58:41,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d6d44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:58:41, skipping insertion in model container [2022-02-24 01:58:41,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:58:41" (3/3) ... [2022-02-24 01:58:41,989 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2022-02-24 01:58:41,993 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 01:58:41,993 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 01:58:42,020 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 01:58:42,024 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-02-24 01:58:42,024 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 01:58:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 152 states have (on average 1.730263157894737) internal successors, (263), 153 states have internal predecessors, (263), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-24 01:58:42,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-24 01:58:42,042 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:42,043 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:42,043 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:42,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:42,047 INFO L85 PathProgramCache]: Analyzing trace with hash -242326358, now seen corresponding path program 1 times [2022-02-24 01:58:42,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:42,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867637462] [2022-02-24 01:58:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:42,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:42,105 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:58:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:58:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:58:42,298 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:58:42,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867637462] [2022-02-24 01:58:42,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1867637462] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:58:42,299 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:58:42,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 01:58:42,300 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245985167] [2022-02-24 01:58:42,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:58:42,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 01:58:42,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:58:42,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 01:58:42,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:58:42,328 INFO L87 Difference]: Start difference. First operand has 160 states, 152 states have (on average 1.730263157894737) internal successors, (263), 153 states have internal predecessors, (263), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:42,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:58:42,703 INFO L93 Difference]: Finished difference Result 445 states and 761 transitions. [2022-02-24 01:58:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 01:58:42,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-24 01:58:42,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:58:42,721 INFO L225 Difference]: With dead ends: 445 [2022-02-24 01:58:42,721 INFO L226 Difference]: Without dead ends: 272 [2022-02-24 01:58:42,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:58:42,727 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 717 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-24 01:58:42,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 274 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-24 01:58:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-02-24 01:58:42,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 270. [2022-02-24 01:58:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.5660377358490567) internal successors, (415), 265 states have internal predecessors, (415), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 419 transitions. [2022-02-24 01:58:42,806 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 419 transitions. Word has length 29 [2022-02-24 01:58:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:58:42,807 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 419 transitions. [2022-02-24 01:58:42,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 419 transitions. [2022-02-24 01:58:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-24 01:58:42,809 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:42,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:42,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 01:58:42,809 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:42,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:42,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1753118860, now seen corresponding path program 1 times [2022-02-24 01:58:42,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:42,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046962815] [2022-02-24 01:58:42,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:42,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:42,814 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:58:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:58:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:58:42,917 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:58:42,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046962815] [2022-02-24 01:58:42,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [2046962815] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:58:42,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:58:42,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:58:42,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769180408] [2022-02-24 01:58:42,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:58:42,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:58:42,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:58:42,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:58:42,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:58:42,920 INFO L87 Difference]: Start difference. First operand 270 states and 419 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:58:43,174 INFO L93 Difference]: Finished difference Result 350 states and 531 transitions. [2022-02-24 01:58:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 01:58:43,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-24 01:58:43,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:58:43,176 INFO L225 Difference]: With dead ends: 350 [2022-02-24 01:58:43,176 INFO L226 Difference]: Without dead ends: 348 [2022-02-24 01:58:43,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-24 01:58:43,178 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 439 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:58:43,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [439 Valid, 191 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 01:58:43,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-02-24 01:58:43,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 288. [2022-02-24 01:58:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 283 states have (on average 1.558303886925795) internal successors, (441), 283 states have internal predecessors, (441), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 445 transitions. [2022-02-24 01:58:43,196 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 445 transitions. Word has length 30 [2022-02-24 01:58:43,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:58:43,196 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 445 transitions. [2022-02-24 01:58:43,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 445 transitions. [2022-02-24 01:58:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-24 01:58:43,197 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:43,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:43,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 01:58:43,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:43,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:43,203 INFO L85 PathProgramCache]: Analyzing trace with hash 119204085, now seen corresponding path program 1 times [2022-02-24 01:58:43,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:43,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66122325] [2022-02-24 01:58:43,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:43,206 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:58:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:58:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:43,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:58:43,284 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:58:43,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66122325] [2022-02-24 01:58:43,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [66122325] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:58:43,285 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:58:43,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:58:43,285 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598434967] [2022-02-24 01:58:43,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:58:43,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:58:43,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:58:43,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:58:43,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:58:43,286 INFO L87 Difference]: Start difference. First operand 288 states and 445 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:58:43,519 INFO L93 Difference]: Finished difference Result 337 states and 514 transitions. [2022-02-24 01:58:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 01:58:43,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-24 01:58:43,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:58:43,522 INFO L225 Difference]: With dead ends: 337 [2022-02-24 01:58:43,522 INFO L226 Difference]: Without dead ends: 335 [2022-02-24 01:58:43,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-24 01:58:43,526 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 431 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:58:43,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 181 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 01:58:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-02-24 01:58:43,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 278. [2022-02-24 01:58:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 273 states have (on average 1.5677655677655677) internal successors, (428), 273 states have internal predecessors, (428), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 432 transitions. [2022-02-24 01:58:43,550 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 432 transitions. Word has length 31 [2022-02-24 01:58:43,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:58:43,551 INFO L470 AbstractCegarLoop]: Abstraction has 278 states and 432 transitions. [2022-02-24 01:58:43,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 432 transitions. [2022-02-24 01:58:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-24 01:58:43,555 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:43,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:43,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-24 01:58:43,555 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:43,556 INFO L85 PathProgramCache]: Analyzing trace with hash -103055551, now seen corresponding path program 1 times [2022-02-24 01:58:43,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:43,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19122521] [2022-02-24 01:58:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:43,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:43,558 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:58:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:58:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:58:43,629 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:58:43,630 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19122521] [2022-02-24 01:58:43,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [19122521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:58:43,630 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:58:43,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-24 01:58:43,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650687962] [2022-02-24 01:58:43,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:58:43,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-24 01:58:43,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:58:43,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-24 01:58:43,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:58:43,631 INFO L87 Difference]: Start difference. First operand 278 states and 432 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:58:43,891 INFO L93 Difference]: Finished difference Result 360 states and 550 transitions. [2022-02-24 01:58:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 01:58:43,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-24 01:58:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:58:43,892 INFO L225 Difference]: With dead ends: 360 [2022-02-24 01:58:43,892 INFO L226 Difference]: Without dead ends: 358 [2022-02-24 01:58:43,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-24 01:58:43,899 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 436 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:58:43,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [436 Valid, 191 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 01:58:43,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-02-24 01:58:43,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 276. [2022-02-24 01:58:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 271 states have (on average 1.5719557195571956) internal successors, (426), 271 states have internal predecessors, (426), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 430 transitions. [2022-02-24 01:58:43,920 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 430 transitions. Word has length 31 [2022-02-24 01:58:43,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:58:43,920 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 430 transitions. [2022-02-24 01:58:43,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 430 transitions. [2022-02-24 01:58:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 01:58:43,922 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:43,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:43,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-24 01:58:43,922 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:43,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:43,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1303486160, now seen corresponding path program 1 times [2022-02-24 01:58:43,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:43,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338212327] [2022-02-24 01:58:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:43,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:43,925 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:58:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:58:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:58:43,976 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:58:43,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338212327] [2022-02-24 01:58:43,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1338212327] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:58:43,976 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:58:43,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 01:58:43,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850024530] [2022-02-24 01:58:43,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:58:43,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 01:58:43,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:58:43,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 01:58:43,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:58:43,978 INFO L87 Difference]: Start difference. First operand 276 states and 430 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:44,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:58:44,167 INFO L93 Difference]: Finished difference Result 796 states and 1250 transitions. [2022-02-24 01:58:44,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 01:58:44,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-02-24 01:58:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:58:44,172 INFO L225 Difference]: With dead ends: 796 [2022-02-24 01:58:44,172 INFO L226 Difference]: Without dead ends: 535 [2022-02-24 01:58:44,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:58:44,177 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 588 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-24 01:58:44,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 218 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-24 01:58:44,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-02-24 01:58:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 533. [2022-02-24 01:58:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 528 states have (on average 1.5378787878787878) internal successors, (812), 528 states have internal predecessors, (812), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 816 transitions. [2022-02-24 01:58:44,218 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 816 transitions. Word has length 39 [2022-02-24 01:58:44,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:58:44,219 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 816 transitions. [2022-02-24 01:58:44,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:44,219 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 816 transitions. [2022-02-24 01:58:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 01:58:44,220 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:44,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:44,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-24 01:58:44,220 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:44,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash -602421582, now seen corresponding path program 1 times [2022-02-24 01:58:44,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:44,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776952786] [2022-02-24 01:58:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:44,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:44,223 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:58:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:58:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:58:44,282 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:58:44,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776952786] [2022-02-24 01:58:44,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1776952786] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:58:44,283 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:58:44,283 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 01:58:44,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653196964] [2022-02-24 01:58:44,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:58:44,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 01:58:44,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:58:44,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 01:58:44,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 01:58:44,284 INFO L87 Difference]: Start difference. First operand 533 states and 816 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:44,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:58:44,531 INFO L93 Difference]: Finished difference Result 1249 states and 1965 transitions. [2022-02-24 01:58:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-24 01:58:44,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-02-24 01:58:44,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:58:44,534 INFO L225 Difference]: With dead ends: 1249 [2022-02-24 01:58:44,534 INFO L226 Difference]: Without dead ends: 731 [2022-02-24 01:58:44,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 01:58:44,536 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 277 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:58:44,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 243 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 01:58:44,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2022-02-24 01:58:44,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 707. [2022-02-24 01:58:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 702 states have (on average 1.435897435897436) internal successors, (1008), 702 states have internal predecessors, (1008), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1012 transitions. [2022-02-24 01:58:44,584 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1012 transitions. Word has length 39 [2022-02-24 01:58:44,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:58:44,584 INFO L470 AbstractCegarLoop]: Abstraction has 707 states and 1012 transitions. [2022-02-24 01:58:44,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:44,585 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1012 transitions. [2022-02-24 01:58:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 01:58:44,585 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:44,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:44,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-24 01:58:44,586 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:44,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:44,587 INFO L85 PathProgramCache]: Analyzing trace with hash 77636788, now seen corresponding path program 1 times [2022-02-24 01:58:44,587 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:44,587 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056189164] [2022-02-24 01:58:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:44,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:44,588 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 01:58:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 01:58:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 01:58:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 01:58:44,642 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 01:58:44,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056189164] [2022-02-24 01:58:44,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1056189164] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 01:58:44,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 01:58:44,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 01:58:44,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953924364] [2022-02-24 01:58:44,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 01:58:44,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 01:58:44,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 01:58:44,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 01:58:44,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 01:58:44,644 INFO L87 Difference]: Start difference. First operand 707 states and 1012 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 01:58:44,997 INFO L93 Difference]: Finished difference Result 1645 states and 2434 transitions. [2022-02-24 01:58:45,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-24 01:58:45,007 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-02-24 01:58:45,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 01:58:45,010 INFO L225 Difference]: With dead ends: 1645 [2022-02-24 01:58:45,010 INFO L226 Difference]: Without dead ends: 905 [2022-02-24 01:58:45,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-24 01:58:45,012 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 648 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-24 01:58:45,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 198 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-24 01:58:45,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-02-24 01:58:45,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 889. [2022-02-24 01:58:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 884 states have (on average 1.407239819004525) internal successors, (1244), 884 states have internal predecessors, (1244), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1248 transitions. [2022-02-24 01:58:45,072 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1248 transitions. Word has length 39 [2022-02-24 01:58:45,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 01:58:45,073 INFO L470 AbstractCegarLoop]: Abstraction has 889 states and 1248 transitions. [2022-02-24 01:58:45,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-24 01:58:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1248 transitions. [2022-02-24 01:58:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-24 01:58:45,075 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 01:58:45,075 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 01:58:45,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-24 01:58:45,076 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 01:58:45,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 01:58:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash 943214065, now seen corresponding path program 1 times [2022-02-24 01:58:45,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 01:58:45,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721168428] [2022-02-24 01:58:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 01:58:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 01:58:45,699 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 8 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {0={1=6, 2=1}, 1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-02-24 01:58:45,700 INFO L275 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-02-24 01:58:45,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-24 01:58:45,713 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:170) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:126) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:297) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:471) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertCodeBlocks.java:109) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:313) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 34 more [2022-02-24 01:58:45,719 INFO L158 Benchmark]: Toolchain (without parser) took 4705.45ms. Allocated memory was 179.3MB in the beginning and 267.4MB in the end (delta: 88.1MB). Free memory was 123.2MB in the beginning and 172.0MB in the end (delta: -48.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-02-24 01:58:45,719 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory was 139.6MB in the beginning and 139.6MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 01:58:45,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.55ms. Allocated memory was 179.3MB in the beginning and 222.3MB in the end (delta: 43.0MB). Free memory was 123.0MB in the beginning and 189.7MB in the end (delta: -66.6MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-02-24 01:58:45,719 INFO L158 Benchmark]: Boogie Preprocessor took 52.81ms. Allocated memory is still 222.3MB. Free memory was 189.2MB in the beginning and 187.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-24 01:58:45,720 INFO L158 Benchmark]: RCFGBuilder took 522.81ms. Allocated memory is still 222.3MB. Free memory was 187.1MB in the beginning and 157.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-02-24 01:58:45,720 INFO L158 Benchmark]: TraceAbstraction took 3736.99ms. Allocated memory was 222.3MB in the beginning and 267.4MB in the end (delta: 45.1MB). Free memory was 157.2MB in the beginning and 172.0MB in the end (delta: -14.8MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. [2022-02-24 01:58:45,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory was 139.6MB in the beginning and 139.6MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.55ms. Allocated memory was 179.3MB in the beginning and 222.3MB in the end (delta: 43.0MB). Free memory was 123.0MB in the beginning and 189.7MB in the end (delta: -66.6MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.81ms. Allocated memory is still 222.3MB. Free memory was 189.2MB in the beginning and 187.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 522.81ms. Allocated memory is still 222.3MB. Free memory was 187.1MB in the beginning and 157.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3736.99ms. Allocated memory was 222.3MB in the beginning and 267.4MB in the end (delta: 45.1MB). Free memory was 157.2MB in the beginning and 172.0MB in the end (delta: -14.8MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-24 01:58:45,748 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...