/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 17:34:34,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 17:34:34,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 17:34:34,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 17:34:34,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 17:34:34,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 17:34:34,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 17:34:34,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 17:34:34,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 17:34:34,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 17:34:34,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 17:34:34,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 17:34:34,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 17:34:34,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 17:34:34,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 17:34:34,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 17:34:34,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 17:34:34,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 17:34:34,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 17:34:34,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 17:34:34,455 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 17:34:34,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 17:34:34,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 17:34:34,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 17:34:34,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 17:34:34,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 17:34:34,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 17:34:34,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 17:34:34,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 17:34:34,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-03-20 17:34:34,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 17:34:34,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 17:34:34,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 17:34:34,481 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 17:34:34,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 17:34:34,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 17:34:34,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 17:34:34,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 17:34:34,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 17:34:34,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 17:34:34,482 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 17:34:34,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 17:34:34,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 17:34:34,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 17:34:34,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 17:34:34,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 17:34:34,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 17:34:34,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 17:34:34,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:34:34,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 17:34:34,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 17:34:34,484 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 17:34:34,484 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 17:34:34,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 17:34:34,484 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 17:34:34,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 17:34:34,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 17:34:34,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 17:34:34,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 17:34:34,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 17:34:34,758 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 17:34:34,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c [2022-03-20 17:34:34,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847a256ef/b2e8d42ba5dd47d880b25580a952ad20/FLAG8e9b0af1d [2022-03-20 17:34:35,274 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 17:34:35,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.15.i.cil-1.c [2022-03-20 17:34:35,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847a256ef/b2e8d42ba5dd47d880b25580a952ad20/FLAG8e9b0af1d [2022-03-20 17:34:35,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847a256ef/b2e8d42ba5dd47d880b25580a952ad20 [2022-03-20 17:34:35,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 17:34:35,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 17:34:35,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 17:34:35,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 17:34:35,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 17:34:35,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:34:35" (1/1) ... [2022-03-20 17:34:35,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ce5dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:35, skipping insertion in model container [2022-03-20 17:34:35,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:34:35" (1/1) ... [2022-03-20 17:34:35,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 17:34:35,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 17:34:36,135 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/s3_srvr.blast.15.i.cil-1.c[75550,75563] [2022-03-20 17:34:36,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:34:36,162 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 17:34:36,310 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/s3_srvr.blast.15.i.cil-1.c[75550,75563] [2022-03-20 17:34:36,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:34:36,331 INFO L208 MainTranslator]: Completed translation [2022-03-20 17:34:36,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36 WrapperNode [2022-03-20 17:34:36,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 17:34:36,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 17:34:36,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 17:34:36,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 17:34:36,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 17:34:36,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 17:34:36,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 17:34:36,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 17:34:36,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (1/1) ... [2022-03-20 17:34:36,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:34:36,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 17:34:36,478 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) [2022-03-20 17:34:36,487 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 [2022-03-20 17:34:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 17:34:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 17:34:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 17:34:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-20 17:34:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-20 17:34:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 17:34:36,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 17:34:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 17:34:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 17:34:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 17:34:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 17:34:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 17:34:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 17:34:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 17:34:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-20 17:34:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 17:34:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 17:34:36,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 17:34:36,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 17:34:36,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 17:34:36,676 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 17:34:36,677 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 17:34:37,402 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 17:34:37,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-20 17:34:37,882 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-20 17:34:37,895 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 17:34:37,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 17:34:37,906 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 17:34:37,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:34:37 BoogieIcfgContainer [2022-03-20 17:34:37,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 17:34:37,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 17:34:37,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 17:34:37,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 17:34:37,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 05:34:35" (1/3) ... [2022-03-20 17:34:37,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e793505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:34:37, skipping insertion in model container [2022-03-20 17:34:37,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:36" (2/3) ... [2022-03-20 17:34:37,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e793505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:34:37, skipping insertion in model container [2022-03-20 17:34:37,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:34:37" (3/3) ... [2022-03-20 17:34:37,916 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.15.i.cil-1.c [2022-03-20 17:34:37,925 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 17:34:37,925 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 17:34:37,972 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 17:34:37,979 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 [2022-03-20 17:34:37,979 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 17:34:38,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 153 states have (on average 1.7124183006535947) internal successors, (262), 154 states have internal predecessors, (262), 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) [2022-03-20 17:34:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-20 17:34:38,015 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:38,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 17:34:38,016 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:38,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:38,020 INFO L85 PathProgramCache]: Analyzing trace with hash 80900235, now seen corresponding path program 1 times [2022-03-20 17:34:38,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:38,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [790760860] [2022-03-20 17:34:38,040 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 17:34:38,040 INFO L85 PathProgramCache]: Analyzing trace with hash 80900235, now seen corresponding path program 2 times [2022-03-20 17:34:38,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:38,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304624730] [2022-03-20 17:34:38,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:38,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:34:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 17:34:38,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:34:38,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304624730] [2022-03-20 17:34:38,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304624730] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:38,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:38,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:38,553 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:34:38,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [790760860] [2022-03-20 17:34:38,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [790760860] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:38,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:38,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:38,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469955380] [2022-03-20 17:34:38,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:34:38,562 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:34:38,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:38,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:34:38,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:34:38,585 INFO L87 Difference]: Start difference. First operand has 161 states, 153 states have (on average 1.7124183006535947) internal successors, (262), 154 states have internal predecessors, (262), 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 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-03-20 17:34:41,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 17:34:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:34:42,038 INFO L93 Difference]: Finished difference Result 340 states and 572 transitions. [2022-03-20 17:34:42,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:34:42,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 50 [2022-03-20 17:34:42,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:34:42,050 INFO L225 Difference]: With dead ends: 340 [2022-03-20 17:34:42,050 INFO L226 Difference]: Without dead ends: 173 [2022-03-20 17:34:42,055 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 17:34:42,064 INFO L913 BasicCegarLoop]: 235 mSDtfsCounter, 34 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-03-20 17:34:42,065 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 625 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-03-20 17:34:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-03-20 17:34:42,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 156. [2022-03-20 17:34:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 151 states have (on average 1.5629139072847682) internal successors, (236), 151 states have internal predecessors, (236), 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) [2022-03-20 17:34:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 240 transitions. [2022-03-20 17:34:42,136 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 240 transitions. Word has length 50 [2022-03-20 17:34:42,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:34:42,136 INFO L478 AbstractCegarLoop]: Abstraction has 156 states and 240 transitions. [2022-03-20 17:34:42,136 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-03-20 17:34:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 240 transitions. [2022-03-20 17:34:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-03-20 17:34:42,147 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:42,147 INFO L499 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 17:34:42,148 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 17:34:42,149 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:42,150 INFO L85 PathProgramCache]: Analyzing trace with hash -450854301, now seen corresponding path program 1 times [2022-03-20 17:34:42,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:42,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1193115995] [2022-03-20 17:34:42,180 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:34:42,181 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:34:42,181 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:34:42,181 INFO L85 PathProgramCache]: Analyzing trace with hash -450854301, now seen corresponding path program 2 times [2022-03-20 17:34:42,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:42,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670834862] [2022-03-20 17:34:42,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:34:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 17:34:42,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:34:42,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670834862] [2022-03-20 17:34:42,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670834862] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:42,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:42,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:42,471 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:34:42,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1193115995] [2022-03-20 17:34:42,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1193115995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:42,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:42,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210717521] [2022-03-20 17:34:42,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:34:42,473 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:34:42,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:42,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:34:42,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:34:42,474 INFO L87 Difference]: Start difference. First operand 156 states and 240 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-03-20 17:34:44,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 17:34:45,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:34:45,081 INFO L93 Difference]: Finished difference Result 405 states and 628 transitions. [2022-03-20 17:34:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:34:45,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 63 [2022-03-20 17:34:45,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:34:45,084 INFO L225 Difference]: With dead ends: 405 [2022-03-20 17:34:45,084 INFO L226 Difference]: Without dead ends: 275 [2022-03-20 17:34:45,085 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 17:34:45,085 INFO L913 BasicCegarLoop]: 269 mSDtfsCounter, 147 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 17:34:45,086 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 652 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 17:34:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-03-20 17:34:45,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 172. [2022-03-20 17:34:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 167 states have (on average 1.562874251497006) internal successors, (261), 167 states have internal predecessors, (261), 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) [2022-03-20 17:34:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 265 transitions. [2022-03-20 17:34:45,111 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 265 transitions. Word has length 63 [2022-03-20 17:34:45,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:34:45,111 INFO L478 AbstractCegarLoop]: Abstraction has 172 states and 265 transitions. [2022-03-20 17:34:45,111 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-03-20 17:34:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 265 transitions. [2022-03-20 17:34:45,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-20 17:34:45,114 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:45,115 INFO L499 BasicCegarLoop]: trace histogram [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, 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] [2022-03-20 17:34:45,115 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 17:34:45,115 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:45,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1137075757, now seen corresponding path program 1 times [2022-03-20 17:34:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:45,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1117799341] [2022-03-20 17:34:45,136 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:34:45,136 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:34:45,136 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:34:45,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1137075757, now seen corresponding path program 2 times [2022-03-20 17:34:45,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:45,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463418640] [2022-03-20 17:34:45,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:45,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:45,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:34:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 17:34:45,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:34:45,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463418640] [2022-03-20 17:34:45,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463418640] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:45,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:45,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:45,293 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:34:45,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1117799341] [2022-03-20 17:34:45,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1117799341] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:45,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:45,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:45,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080885588] [2022-03-20 17:34:45,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:34:45,296 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:34:45,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:45,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:34:45,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:34:45,298 INFO L87 Difference]: Start difference. First operand 172 states and 265 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-03-20 17:34:49,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 17:34:50,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:34:50,081 INFO L93 Difference]: Finished difference Result 334 states and 513 transitions. [2022-03-20 17:34:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:34:50,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 64 [2022-03-20 17:34:50,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:34:50,083 INFO L225 Difference]: With dead ends: 334 [2022-03-20 17:34:50,083 INFO L226 Difference]: Without dead ends: 188 [2022-03-20 17:34:50,084 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-20 17:34:50,085 INFO L913 BasicCegarLoop]: 194 mSDtfsCounter, 28 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-03-20 17:34:50,085 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 503 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 367 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-03-20 17:34:50,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-03-20 17:34:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 172. [2022-03-20 17:34:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 167 states have (on average 1.5568862275449102) internal successors, (260), 167 states have internal predecessors, (260), 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) [2022-03-20 17:34:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 264 transitions. [2022-03-20 17:34:50,096 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 264 transitions. Word has length 64 [2022-03-20 17:34:50,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:34:50,097 INFO L478 AbstractCegarLoop]: Abstraction has 172 states and 264 transitions. [2022-03-20 17:34:50,097 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-03-20 17:34:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 264 transitions. [2022-03-20 17:34:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-20 17:34:50,097 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:50,098 INFO L499 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 17:34:50,098 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 17:34:50,098 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:50,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:50,098 INFO L85 PathProgramCache]: Analyzing trace with hash 749827687, now seen corresponding path program 1 times [2022-03-20 17:34:50,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:50,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1583837812] [2022-03-20 17:34:50,159 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 18 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-20 17:34:50,160 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 17:34:50,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2127483762, now seen corresponding path program 1 times [2022-03-20 17:34:50,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:50,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645751077] [2022-03-20 17:34:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:50,211 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 17:34:50,211 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) 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.lib.acceleratedinterpolation.AcceleratedInterpolationCore.runStrategy(AcceleratedInterpolationCore.java:300) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:289) 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:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:471) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertCodeBlocks.java:109) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:313) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 40 more [2022-03-20 17:34:50,215 INFO L158 Benchmark]: Toolchain (without parser) took 14617.35ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.3MB in the beginning and 121.3MB in the end (delta: 12.9MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. [2022-03-20 17:34:50,215 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 17:34:50,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.24ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.1MB in the beginning and 180.8MB in the end (delta: -46.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-03-20 17:34:50,216 INFO L158 Benchmark]: Boogie Preprocessor took 107.84ms. Allocated memory is still 225.4MB. Free memory was 180.8MB in the beginning and 173.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-20 17:34:50,216 INFO L158 Benchmark]: RCFGBuilder took 1466.83ms. Allocated memory is still 225.4MB. Free memory was 173.1MB in the beginning and 160.4MB in the end (delta: 12.6MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-03-20 17:34:50,216 INFO L158 Benchmark]: TraceAbstraction took 12304.04ms. Allocated memory is still 225.4MB. Free memory was 159.9MB in the beginning and 121.3MB in the end (delta: 38.6MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. [2022-03-20 17:34:50,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 732.24ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 134.1MB in the beginning and 180.8MB in the end (delta: -46.7MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 107.84ms. Allocated memory is still 225.4MB. Free memory was 180.8MB in the beginning and 173.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1466.83ms. Allocated memory is still 225.4MB. Free memory was 173.1MB in the beginning and 160.4MB in the end (delta: 12.6MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 12304.04ms. Allocated memory is still 225.4MB. Free memory was 159.9MB in the beginning and 121.3MB in the end (delta: 38.6MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-20 17:34:50,259 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...