/usr/bin/java -ea -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_7.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 08:17:22,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 08:17:22,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 08:17:22,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 08:17:22,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 08:17:22,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 08:17:22,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 08:17:22,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-08 08:17:22,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 08:17:22,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 08:17:22,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 08:17:22,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 08:17:22,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 08:17:22,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 08:17:22,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 08:17:22,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 08:17:22,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 08:17:22,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 08:17:22,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 08:17:22,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 08:17:22,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 08:17:22,334 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 08:17:22,334 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 08:17:22,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 08:17:22,334 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 08:17:22,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 08:17:22,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 08:17:22,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 08:17:22,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 08:17:22,537 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 08:17:22,537 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 08:17:22,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_7.cil.c [2022-04-08 08:17:22,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1375aed9/ced7682bdf4f4ff7bab2cae5731e4bce/FLAG5e39783cc [2022-04-08 08:17:22,968 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 08:17:22,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_7.cil.c [2022-04-08 08:17:22,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1375aed9/ced7682bdf4f4ff7bab2cae5731e4bce/FLAG5e39783cc [2022-04-08 08:17:23,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1375aed9/ced7682bdf4f4ff7bab2cae5731e4bce [2022-04-08 08:17:23,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 08:17:23,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 08:17:23,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 08:17:23,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 08:17:23,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 08:17:23,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34302689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23, skipping insertion in model container [2022-04-08 08:17:23,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 08:17:23,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 08:17:23,640 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_7.cil.c[44376,44389] [2022-04-08 08:17:23,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 08:17:23,652 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 08:17:23,687 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_7.cil.c[44376,44389] [2022-04-08 08:17:23,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 08:17:23,698 INFO L208 MainTranslator]: Completed translation [2022-04-08 08:17:23,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23 WrapperNode [2022-04-08 08:17:23,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 08:17:23,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 08:17:23,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 08:17:23,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 08:17:23,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 08:17:23,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 08:17:23,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 08:17:23,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 08:17:23,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (1/1) ... [2022-04-08 08:17:23,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 08:17:23,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 08:17:23,796 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) [2022-04-08 08:17:23,798 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 [2022-04-08 08:17:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 08:17:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 08:17:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 08:17:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-08 08:17:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 08:17:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 08:17:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 08:17:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 08:17:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 08:17:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 08:17:23,878 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 08:17:23,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 08:17:23,961 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-08 08:17:24,452 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-04-08 08:17:24,452 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-04-08 08:17:24,462 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 08:17:24,467 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 08:17:24,468 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 08:17:24,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 08:17:24 BoogieIcfgContainer [2022-04-08 08:17:24,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 08:17:24,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 08:17:24,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 08:17:24,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 08:17:24,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 08:17:23" (1/3) ... [2022-04-08 08:17:24,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36bd2f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 08:17:24, skipping insertion in model container [2022-04-08 08:17:24,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 08:17:23" (2/3) ... [2022-04-08 08:17:24,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36bd2f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 08:17:24, skipping insertion in model container [2022-04-08 08:17:24,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 08:17:24" (3/3) ... [2022-04-08 08:17:24,479 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_7.cil.c [2022-04-08 08:17:24,483 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 08:17:24,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 08:17:24,518 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 08:17:24,523 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, 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 [2022-04-08 08:17:24,523 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 08:17:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 147 states have (on average 1.7210884353741496) internal successors, (253), 148 states have internal predecessors, (253), 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) [2022-04-08 08:17:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-08 08:17:24,547 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 08:17:24,547 INFO L499 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] [2022-04-08 08:17:24,548 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 08:17:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 08:17:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash 657014833, now seen corresponding path program 1 times [2022-04-08 08:17:24,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 08:17:24,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1604994657] [2022-04-08 08:17:24,564 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 08:17:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash 657014833, now seen corresponding path program 2 times [2022-04-08 08:17:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 08:17:24,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218223104] [2022-04-08 08:17:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 08:17:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 08:17:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 08:17:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 08:17:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 08:17:24,830 INFO L290 TraceCheckUtils]: 0: Hoare triple {164#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); {158#true} is VALID [2022-04-08 08:17:24,831 INFO L290 TraceCheckUtils]: 1: Hoare triple {158#true} assume true; {158#true} is VALID [2022-04-08 08:17:24,831 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {158#true} {158#true} #638#return; {158#true} is VALID [2022-04-08 08:17:24,833 INFO L272 TraceCheckUtils]: 0: Hoare triple {158#true} call ULTIMATE.init(); {164#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 08:17:24,834 INFO L290 TraceCheckUtils]: 1: Hoare triple {164#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); {158#true} is VALID [2022-04-08 08:17:24,834 INFO L290 TraceCheckUtils]: 2: Hoare triple {158#true} assume true; {158#true} is VALID [2022-04-08 08:17:24,834 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {158#true} {158#true} #638#return; {158#true} is VALID [2022-04-08 08:17:24,834 INFO L272 TraceCheckUtils]: 4: Hoare triple {158#true} call #t~ret55 := main(); {158#true} is VALID [2022-04-08 08:17:24,835 INFO L290 TraceCheckUtils]: 5: Hoare triple {158#true} havoc ~s~0;havoc ~tmp~1;~s~0 := 8464; {158#true} is VALID [2022-04-08 08:17:24,835 INFO L272 TraceCheckUtils]: 6: Hoare triple {158#true} call #t~ret54 := ssl3_accept(~s~0); {158#true} is VALID [2022-04-08 08:17:24,836 INFO L290 TraceCheckUtils]: 7: Hoare triple {158#true} ~initial_state := #in~initial_state;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~s__info_callback~0 := #t~nondet4;havoc #t~nondet4;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~s__in_handshake~0 := #t~nondet5;havoc #t~nondet5;havoc ~s__state~0;havoc ~s__new_session~0;havoc ~s__server~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~s__version~0 := #t~nondet6;havoc #t~nondet6;havoc ~s__type~0;havoc ~s__init_num~0;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~s__hit~0 := #t~nondet7;havoc #t~nondet7;havoc ~s__rwstate~0;~s__init_buf___0~0 := 1;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~s__debug~0 := #t~nondet8;havoc #t~nondet8;havoc ~s__shutdown~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~s__cert~0 := #t~nondet9;havoc #t~nondet9;assume -2147483648 <= #t~nondet10 && #t~nondet10 <= 2147483647;~s__options~0 := #t~nondet10;havoc #t~nondet10;assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647;~s__verify_mode~0 := #t~nondet11;havoc #t~nondet11;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~s__session__peer~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~s__cert__pkeys__AT0__privatekey~0 := #t~nondet13;havoc #t~nondet13;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~s__ctx__info_callback~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~s__ctx__stats__sess_accept_renegotiate~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~s__ctx__stats__sess_accept~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~s__ctx__stats__sess_accept_good~0 := #t~nondet17;havoc #t~nondet17;havoc ~s__s3__tmp__cert_request~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~s__s3__tmp__reuse_message~0 := #t~nondet18;havoc #t~nondet18;havoc ~s__s3__tmp__use_rsa_tmp~0;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~s__s3__tmp__new_cipher~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~s__s3__tmp__new_cipher__algorithms~0 := #t~nondet20;havoc #t~nondet20;havoc ~s__s3__tmp__next_state___0~0;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~s__s3__tmp__new_cipher__algo_strength~0 := #t~nondet21;havoc #t~nondet21;havoc ~s__session__cipher~0;havoc ~buf~0;havoc ~l~0;havoc ~Time~0;havoc ~tmp~0;havoc ~cb~0;assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~num1~0 := #t~nondet22;havoc #t~nondet22;havoc ~ret~0;havoc ~new_state~0;havoc ~state~0;havoc ~skip~0;havoc ~got_new_session~0;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~tmp___1~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~tmp___2~0 := #t~nondet24;havoc #t~nondet24;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~tmp___3~0 := #t~nondet25;havoc #t~nondet25;assume -2147483648 <= #t~nondet26 && #t~nondet26 <= 2147483647;~tmp___4~0 := #t~nondet26;havoc #t~nondet26;assume -2147483648 <= #t~nondet27 && #t~nondet27 <= 2147483647;~tmp___5~0 := #t~nondet27;havoc #t~nondet27;assume -2147483648 <= #t~nondet28 && #t~nondet28 <= 2147483647;~tmp___6~0 := #t~nondet28;havoc #t~nondet28;havoc ~tmp___7~0;assume -2147483648 <= #t~nondet29 && #t~nondet29 <= 2147483647;~tmp___8~0 := #t~nondet29;havoc #t~nondet29;assume -2147483648 <= #t~nondet30 && #t~nondet30 <= 2147483647;~tmp___9~0 := #t~nondet30;havoc #t~nondet30;assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647;~tmp___10~0 := #t~nondet31;havoc #t~nondet31;havoc ~blastFlag~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;havoc ~__cil_tmp60~0;havoc ~__cil_tmp61~0;~s__state~0 := ~initial_state;~blastFlag~0 := 0;assume -2147483648 <= #t~nondet32 && #t~nondet32 <= 2147483647;~tmp~0 := #t~nondet32;havoc #t~nondet32;~Time~0 := ~tmp~0;~cb~0 := 0;~ret~0 := -1;~skip~0 := 0;~got_new_session~0 := 0; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,842 INFO L290 TraceCheckUtils]: 8: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume 0 != ~s__info_callback~0;~cb~0 := ~s__info_callback~0; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,842 INFO L290 TraceCheckUtils]: 9: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} #t~post33 := ~s__in_handshake~0;~s__in_handshake~0 := 1 + #t~post33;havoc #t~post33; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,844 INFO L290 TraceCheckUtils]: 10: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(0 != 12288 + ~tmp___1~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,844 INFO L290 TraceCheckUtils]: 11: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(0 == ~s__cert~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,845 INFO L290 TraceCheckUtils]: 12: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !false; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,845 INFO L290 TraceCheckUtils]: 13: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} ~state~0 := ~s__state~0; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,846 INFO L290 TraceCheckUtils]: 14: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(12292 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,846 INFO L290 TraceCheckUtils]: 15: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(16384 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,847 INFO L290 TraceCheckUtils]: 16: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8192 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,847 INFO L290 TraceCheckUtils]: 17: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(24576 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,847 INFO L290 TraceCheckUtils]: 18: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8195 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,848 INFO L290 TraceCheckUtils]: 19: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8480 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,848 INFO L290 TraceCheckUtils]: 20: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8481 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,849 INFO L290 TraceCheckUtils]: 21: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8482 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,849 INFO L290 TraceCheckUtils]: 22: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8464 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,849 INFO L290 TraceCheckUtils]: 23: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8465 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,850 INFO L290 TraceCheckUtils]: 24: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8466 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,850 INFO L290 TraceCheckUtils]: 25: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8496 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,851 INFO L290 TraceCheckUtils]: 26: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8497 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,851 INFO L290 TraceCheckUtils]: 27: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8512 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,851 INFO L290 TraceCheckUtils]: 28: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8513 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,852 INFO L290 TraceCheckUtils]: 29: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8528 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,852 INFO L290 TraceCheckUtils]: 30: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(8529 == ~s__state~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,853 INFO L290 TraceCheckUtils]: 31: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume 8544 == ~s__state~0; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,853 INFO L290 TraceCheckUtils]: 32: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume 0 != 1 + ~s__verify_mode~0; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,853 INFO L290 TraceCheckUtils]: 33: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(0 != ~s__session__peer~0); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,855 INFO L290 TraceCheckUtils]: 34: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} ~__cil_tmp61~0 := ~s__s3__tmp__new_cipher__algorithms~0; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,855 INFO L290 TraceCheckUtils]: 35: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume !(0 != (256 + ~__cil_tmp61~0) % 4294967296); {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,856 INFO L290 TraceCheckUtils]: 36: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} ~s__s3__tmp__cert_request~0 := 1;assume -2147483648 <= #t~nondet42 && #t~nondet42 <= 2147483647;~ret~0 := #t~nondet42;havoc #t~nondet42; {163#(= ssl3_accept_~blastFlag~0 0)} is VALID [2022-04-08 08:17:24,856 INFO L290 TraceCheckUtils]: 37: Hoare triple {163#(= ssl3_accept_~blastFlag~0 0)} assume 8 == ~blastFlag~0; {159#false} is VALID [2022-04-08 08:17:24,857 INFO L290 TraceCheckUtils]: 38: Hoare triple {159#false} assume !false; {159#false} is VALID [2022-04-08 08:17:24,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 08:17:24,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 08:17:24,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218223104] [2022-04-08 08:17:24,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218223104] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 08:17:24,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 08:17:24,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 08:17:24,861 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 08:17:24,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1604994657] [2022-04-08 08:17:24,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1604994657] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 08:17:24,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 08:17:24,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 08:17:24,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689739767] [2022-04-08 08:17:24,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 08:17:24,867 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 [2022-04-08 08:17:24,868 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 08:17:24,870 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 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) [2022-04-08 08:17:24,905 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 08:17:24,905 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 08:17:24,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 08:17:24,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 08:17:24,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 08:17:24,934 INFO L87 Difference]: Start difference. First operand has 155 states, 147 states have (on average 1.7210884353741496) internal successors, (253), 148 states have internal predecessors, (253), 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 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) [2022-04-08 08:17:25,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 08:17:25,634 INFO L93 Difference]: Finished difference Result 429 states and 731 transitions. [2022-04-08 08:17:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 08:17:25,635 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 [2022-04-08 08:17:25,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 08:17:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-04-08 08:17:25,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 731 transitions. [2022-04-08 08:17:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-04-08 08:17:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 731 transitions. [2022-04-08 08:17:25,654 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 731 transitions. [2022-04-08 08:17:26,160 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 731 edges. 731 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 08:17:26,189 INFO L225 Difference]: With dead ends: 429 [2022-04-08 08:17:26,189 INFO L226 Difference]: Without dead ends: 261 [2022-04-08 08:17:26,192 INFO L912 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 [2022-04-08 08:17:26,194 INFO L913 BasicCegarLoop]: 245 mSDtfsCounter, 665 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-08 08:17:26,194 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 254 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 08:17:26,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-04-08 08:17:26,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-04-08 08:17:26,227 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 08:17:26,229 INFO L82 GeneralOperation]: Start isEquivalent. First operand 261 states. Second operand has 261 states, 256 states have (on average 1.5234375) internal successors, (390), 256 states have internal predecessors, (390), 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) [2022-04-08 08:17:26,230 INFO L74 IsIncluded]: Start isIncluded. First operand 261 states. Second operand has 261 states, 256 states have (on average 1.5234375) internal successors, (390), 256 states have internal predecessors, (390), 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) [2022-04-08 08:17:26,230 INFO L87 Difference]: Start difference. First operand 261 states. Second operand has 261 states, 256 states have (on average 1.5234375) internal successors, (390), 256 states have internal predecessors, (390), 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) [2022-04-08 08:17:26,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 08:17:26,238 INFO L93 Difference]: Finished difference Result 261 states and 394 transitions. [2022-04-08 08:17:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 394 transitions. [2022-04-08 08:17:26,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 08:17:26,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 08:17:26,240 INFO L74 IsIncluded]: Start isIncluded. First operand has 261 states, 256 states have (on average 1.5234375) internal successors, (390), 256 states have internal predecessors, (390), 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) Second operand 261 states. [2022-04-08 08:17:26,241 INFO L87 Difference]: Start difference. First operand has 261 states, 256 states have (on average 1.5234375) internal successors, (390), 256 states have internal predecessors, (390), 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) Second operand 261 states. [2022-04-08 08:17:26,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 08:17:26,248 INFO L93 Difference]: Finished difference Result 261 states and 394 transitions. [2022-04-08 08:17:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 394 transitions. [2022-04-08 08:17:26,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 08:17:26,250 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 08:17:26,250 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 08:17:26,250 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 08:17:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.5234375) internal successors, (390), 256 states have internal predecessors, (390), 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) [2022-04-08 08:17:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 394 transitions. [2022-04-08 08:17:26,259 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 394 transitions. Word has length 39 [2022-04-08 08:17:26,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 08:17:26,259 INFO L478 AbstractCegarLoop]: Abstraction has 261 states and 394 transitions. [2022-04-08 08:17:26,259 INFO L479 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) [2022-04-08 08:17:26,259 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 261 states and 394 transitions. [2022-04-08 08:17:26,538 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 394 edges. 394 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 08:17:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 394 transitions. [2022-04-08 08:17:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-08 08:17:26,540 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 08:17:26,541 INFO L499 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] [2022-04-08 08:17:26,541 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 08:17:26,541 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 08:17:26,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 08:17:26,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1480272050, now seen corresponding path program 1 times [2022-04-08 08:17:26,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 08:17:26,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [979219702] [2022-04-08 08:17:27,274 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Computed reflexive-transitive closure does not contain relation itself.Something went wrong in computation of loop acceleration formula. at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.checkPropertiesOfLoopAccelerationFormula(JordanLoopAcceleration.java:1038) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.createLoopAccelerationTermSequential(JordanLoopAcceleration.java:693) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.createLoopAccelerationFormula(JordanLoopAcceleration.java:528) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.accelerateLoop(JordanLoopAcceleration.java:156) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorJordan.accelerateLoop(AcceleratorJordan.java:88) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:246) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAcceleratedInterpolation.construct(IpTcStrategyModuleAcceleratedInterpolation.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:595) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) 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:412) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) 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) [2022-04-08 08:17:27,278 INFO L158 Benchmark]: Toolchain (without parser) took 3895.71ms. Allocated memory was 185.6MB in the beginning and 232.8MB in the end (delta: 47.2MB). Free memory was 133.8MB in the beginning and 168.5MB in the end (delta: -34.7MB). Peak memory consumption was 104.4MB. Max. memory is 8.0GB. [2022-04-08 08:17:27,278 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 08:17:27,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.61ms. Allocated memory is still 185.6MB. Free memory was 133.5MB in the beginning and 155.9MB in the end (delta: -22.4MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-04-08 08:17:27,279 INFO L158 Benchmark]: Boogie Preprocessor took 54.04ms. Allocated memory is still 185.6MB. Free memory was 155.9MB in the beginning and 153.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-08 08:17:27,279 INFO L158 Benchmark]: RCFGBuilder took 715.45ms. Allocated memory is still 185.6MB. Free memory was 153.3MB in the beginning and 117.1MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-04-08 08:17:27,280 INFO L158 Benchmark]: TraceAbstraction took 2807.02ms. Allocated memory was 185.6MB in the beginning and 232.8MB in the end (delta: 47.2MB). Free memory was 116.6MB in the beginning and 168.5MB in the end (delta: -51.9MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2022-04-08 08:17:27,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 313.61ms. Allocated memory is still 185.6MB. Free memory was 133.5MB in the beginning and 155.9MB in the end (delta: -22.4MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.04ms. Allocated memory is still 185.6MB. Free memory was 155.9MB in the beginning and 153.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 715.45ms. Allocated memory is still 185.6MB. Free memory was 153.3MB in the beginning and 117.1MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2807.02ms. Allocated memory was 185.6MB in the beginning and 232.8MB in the end (delta: 47.2MB). Free memory was 116.6MB in the beginning and 168.5MB in the end (delta: -51.9MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Computed reflexive-transitive closure does not contain relation itself.Something went wrong in computation of loop acceleration formula. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Computed reflexive-transitive closure does not contain relation itself.Something went wrong in computation of loop acceleration formula.: de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.checkPropertiesOfLoopAccelerationFormula(JordanLoopAcceleration.java:1038) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-04-08 08:17:27,306 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...