/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 09:38:15,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 09:38:15,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 09:38:15,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 09:38:15,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 09:38:15,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 09:38:15,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 09:38:15,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 09:38:15,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 09:38:15,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 09:38:15,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 09:38:15,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 09:38:15,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 09:38:15,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 09:38:15,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 09:38:15,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 09:38:15,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 09:38:15,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 09:38:15,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 09:38:15,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 09:38:15,914 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 09:38:15,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 09:38:15,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 09:38:15,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 09:38:15,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 09:38:15,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-05 09:38:15,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 09:38:15,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 09:38:15,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 09:38:15,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-05 09:38:15,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 09:38:15,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 09:38:15,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-05 09:38:15,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-05 09:38:15,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-05 09:38:15,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-05 09:38:15,950 INFO L138 SettingsManager]: * Use SBE=true [2022-04-05 09:38:15,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 09:38:15,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 09:38:15,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 09:38:15,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 09:38:15,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 09:38:15,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 09:38:15,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 09:38:15,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 09:38:15,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 09:38:15,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 09:38:15,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 09:38:15,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 09:38:15,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 09:38:15,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 09:38:15,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-05 09:38:15,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-05 09:38:15,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 09:38:15,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-05 09:38:15,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-05 09:38:15,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-05 09:38:15,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-05 09:38:15,953 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 09:38:15,954 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 09:38:16,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 09:38:16,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 09:38:16,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 09:38:16,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 09:38:16,167 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 09:38:16,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c [2022-04-05 09:38:16,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3faa7b52d/d60cf23c505b474ca8237489f8e5e05a/FLAG1ece953b8 [2022-04-05 09:38:16,639 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 09:38:16,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_6.cil-1.c [2022-04-05 09:38:16,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3faa7b52d/d60cf23c505b474ca8237489f8e5e05a/FLAG1ece953b8 [2022-04-05 09:38:16,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3faa7b52d/d60cf23c505b474ca8237489f8e5e05a [2022-04-05 09:38:16,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 09:38:16,679 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 09:38:16,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 09:38:16,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 09:38:16,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 09:38:16,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:38:16" (1/1) ... [2022-04-05 09:38:16,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fa0629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:16, skipping insertion in model container [2022-04-05 09:38:16,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:38:16" (1/1) ... [2022-04-05 09:38:16,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 09:38:16,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 09:38:17,002 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_6.cil-1.c[48499,48512] [2022-04-05 09:38:17,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 09:38:17,024 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 09:38:17,088 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_6.cil-1.c[48499,48512] [2022-04-05 09:38:17,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 09:38:17,113 INFO L208 MainTranslator]: Completed translation [2022-04-05 09:38:17,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17 WrapperNode [2022-04-05 09:38:17,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 09:38:17,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 09:38:17,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 09:38:17,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 09:38:17,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 09:38:17,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 09:38:17,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 09:38:17,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 09:38:17,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 09:38:17,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 09:38:17,233 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) [2022-04-05 09:38:17,258 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 [2022-04-05 09:38:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 09:38:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 09:38:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 09:38:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-04-05 09:38:17,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 09:38:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 09:38:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 09:38:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 09:38:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 09:38:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-04-05 09:38:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 09:38:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 09:38:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 09:38:17,388 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 09:38:17,390 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 09:38:17,454 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-04-05 09:38:17,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-04-05 09:38:17,822 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-04-05 09:38:17,830 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 09:38:17,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 09:38:17,840 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-05 09:38:17,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:38:17 BoogieIcfgContainer [2022-04-05 09:38:17,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 09:38:17,843 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 09:38:17,843 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 09:38:17,844 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 09:38:17,846 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:38:17" (1/1) ... [2022-04-05 09:38:17,848 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-05 09:38:17,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 09:38:17 BasicIcfg [2022-04-05 09:38:17,879 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 09:38:17,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 09:38:17,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 09:38:17,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 09:38:17,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 09:38:16" (1/4) ... [2022-04-05 09:38:17,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7925728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:38:17, skipping insertion in model container [2022-04-05 09:38:17,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:38:17" (2/4) ... [2022-04-05 09:38:17,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7925728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:38:17, skipping insertion in model container [2022-04-05 09:38:17,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:38:17" (3/4) ... [2022-04-05 09:38:17,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7925728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 09:38:17, skipping insertion in model container [2022-04-05 09:38:17,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 09:38:17" (4/4) ... [2022-04-05 09:38:17,886 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_6.cil-1.cqvasr [2022-04-05 09:38:17,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-05 09:38:17,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 09:38:17,931 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 09:38:17,936 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-05 09:38:17,936 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 09:38:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 160 states have (on average 1.74375) internal successors, (279), 161 states have internal predecessors, (279), 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) [2022-04-05 09:38:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-05 09:38:17,958 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 09:38:17,958 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 09:38:17,959 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 09:38:17,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 09:38:17,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2043307045, now seen corresponding path program 1 times [2022-04-05 09:38:17,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 09:38:17,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788372086] [2022-04-05 09:38:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 09:38:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 09:38:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-05 09:38:18,079 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-05 09:38:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-05 09:38:18,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-05 09:38:18,168 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-05 09:38:18,169 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-05 09:38:18,171 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 09:38:18,175 INFO L719 BasicCegarLoop]: Path program histogram: [1] [2022-04-05 09:38:18,177 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-05 09:38:18,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 09:38:18 BasicIcfg [2022-04-05 09:38:18,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-05 09:38:18,226 INFO L158 Benchmark]: Toolchain (without parser) took 1547.00ms. Allocated memory was 204.5MB in the beginning and 273.7MB in the end (delta: 69.2MB). Free memory was 146.4MB in the beginning and 184.1MB in the end (delta: -37.7MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. [2022-04-05 09:38:18,227 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 204.5MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 09:38:18,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.37ms. Allocated memory was 204.5MB in the beginning and 273.7MB in the end (delta: 69.2MB). Free memory was 146.2MB in the beginning and 238.7MB in the end (delta: -92.5MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2022-04-05 09:38:18,228 INFO L158 Benchmark]: Boogie Preprocessor took 88.87ms. Allocated memory is still 273.7MB. Free memory was 238.7MB in the beginning and 236.2MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 09:38:18,232 INFO L158 Benchmark]: RCFGBuilder took 637.44ms. Allocated memory is still 273.7MB. Free memory was 235.8MB in the beginning and 206.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-04-05 09:38:18,233 INFO L158 Benchmark]: IcfgTransformer took 36.05ms. Allocated memory is still 273.7MB. Free memory was 206.5MB in the beginning and 203.0MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 09:38:18,234 INFO L158 Benchmark]: TraceAbstraction took 344.52ms. Allocated memory is still 273.7MB. Free memory was 202.6MB in the beginning and 184.1MB in the end (delta: 18.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-04-05 09:38:18,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 204.5MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.37ms. Allocated memory was 204.5MB in the beginning and 273.7MB in the end (delta: 69.2MB). Free memory was 146.2MB in the beginning and 238.7MB in the end (delta: -92.5MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 88.87ms. Allocated memory is still 273.7MB. Free memory was 238.7MB in the beginning and 236.2MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 637.44ms. Allocated memory is still 273.7MB. Free memory was 235.8MB in the beginning and 206.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * IcfgTransformer took 36.05ms. Allocated memory is still 273.7MB. Free memory was 206.5MB in the beginning and 203.0MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 344.52ms. Allocated memory is still 273.7MB. Free memory was 202.6MB in the beginning and 184.1MB in the end (delta: 18.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 682]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L687] int s ; [L688] int tmp ; [L692] s = 8464 VAL [s=8464] [L693] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L23] int s__info_callback = __VERIFIER_nondet_int() ; [L24] int s__in_handshake = __VERIFIER_nondet_int() ; [L25] int s__state ; [L26] int s__new_session ; [L27] int s__server ; [L28] int s__version = __VERIFIER_nondet_int() ; [L29] int s__type ; [L30] int s__init_num ; [L31] int s__hit = __VERIFIER_nondet_int() ; [L32] int s__rwstate ; [L33] int s__init_buf___0 = 1; [L34] int s__debug = __VERIFIER_nondet_int() ; [L35] int s__shutdown ; [L36] int s__cert = __VERIFIER_nondet_int() ; [L37] int s__options = __VERIFIER_nondet_int() ; [L38] int s__verify_mode = __VERIFIER_nondet_int() ; [L39] int s__session__peer = __VERIFIER_nondet_int() ; [L40] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L41] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L42] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L43] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L44] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L45] int s__s3__tmp__cert_request ; [L46] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L47] int s__s3__tmp__use_rsa_tmp ; [L48] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L49] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L50] int s__s3__tmp__next_state___0 ; [L51] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L52] int s__session__cipher ; [L53] int buf ; [L54] unsigned long l ; [L55] unsigned long Time ; [L56] unsigned long tmp ; [L57] int cb ; [L58] long num1 = __VERIFIER_nondet_long() ; [L59] int ret ; [L60] int new_state ; [L61] int state ; [L62] int skip ; [L63] int got_new_session ; [L64] int tmp___1 = __VERIFIER_nondet_int() ; [L65] int tmp___2 = __VERIFIER_nondet_int() ; [L66] int tmp___3 = __VERIFIER_nondet_int() ; [L67] int tmp___4 = __VERIFIER_nondet_int() ; [L68] int tmp___5 = __VERIFIER_nondet_int() ; [L69] int tmp___6 = __VERIFIER_nondet_int() ; [L70] int tmp___7 ; [L71] long tmp___8 = __VERIFIER_nondet_long() ; [L72] int tmp___9 = __VERIFIER_nondet_int() ; [L73] int tmp___10 = __VERIFIER_nondet_int() ; [L74] int blastFlag ; [L75] int __cil_tmp55 ; [L76] unsigned long __cil_tmp56 ; [L77] unsigned long __cil_tmp57 ; [L78] unsigned long __cil_tmp58 ; [L79] unsigned long __cil_tmp59 ; [L80] int __cil_tmp60 ; [L81] unsigned long __cil_tmp61 ; [L85] s__state = initial_state [L86] blastFlag = 0 [L87] tmp = __VERIFIER_nondet_int() [L88] Time = tmp [L89] cb = 0 [L90] ret = -1 [L91] skip = 0 [L92] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L93] COND FALSE !(s__info_callback != 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L96] COND TRUE s__ctx__info_callback != 0 [L97] cb = s__ctx__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L99] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L682] reach_error() VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=-5, ret=-1, s__cert=5, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=-4, s__ctx__stats__sess_accept_good=4, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=-2, s__in_handshake=0, s__info_callback=0, s__init_buf___0=1, s__options=6, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=-1, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=18446744073709551613, tmp=18446744073709551613, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 168 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-04-05 09:38:18,354 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...