/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.02.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 17:32:29,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 17:32:29,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 17:32:29,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 17:32:29,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 17:32:29,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 17:32:29,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 17:32:29,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 17:32:29,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 17:32:29,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 17:32:29,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 17:32:29,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 17:32:29,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 17:32:29,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 17:32:29,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 17:32:29,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 17:32:29,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 17:32:29,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 17:32:29,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 17:32:29,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 17:32:29,525 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 17:32:29,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 17:32:29,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 17:32:29,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 17:32:29,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 17:32:29,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 17:32:29,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 17:32:29,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 17:32:29,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 17:32:29,545 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 17:32:29,555 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 17:32:29,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 17:32:29,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 17:32:29,557 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 17:32:29,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 17:32:29,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 17:32:29,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 17:32:29,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 17:32:29,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 17:32:29,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 17:32:29,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 17:32:29,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:32:29,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 17:32:29,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 17:32:29,560 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 17:32:29,560 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 17:32:29,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 17:32:29,560 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 17:32:29,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 17:32:29,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 17:32:29,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 17:32:29,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 17:32:29,794 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 17:32:29,795 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 17:32:29,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.02.i.cil-2.c [2022-03-20 17:32:29,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4489f33db/3cf4fe43317d4df7a8b81fe760ae5822/FLAGaef8500d2 [2022-03-20 17:32:30,263 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 17:32:30,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.02.i.cil-2.c [2022-03-20 17:32:30,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4489f33db/3cf4fe43317d4df7a8b81fe760ae5822/FLAGaef8500d2 [2022-03-20 17:32:30,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4489f33db/3cf4fe43317d4df7a8b81fe760ae5822 [2022-03-20 17:32:30,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 17:32:30,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 17:32:30,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 17:32:30,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 17:32:30,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 17:32:30,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2780d1a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30, skipping insertion in model container [2022-03-20 17:32:30,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 17:32:30,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 17:32:30,618 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.02.i.cil-2.c[72502,72515] [2022-03-20 17:32:30,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:32:30,633 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 17:32:30,758 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.02.i.cil-2.c[72502,72515] [2022-03-20 17:32:30,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:32:30,774 INFO L208 MainTranslator]: Completed translation [2022-03-20 17:32:30,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30 WrapperNode [2022-03-20 17:32:30,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 17:32:30,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 17:32:30,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 17:32:30,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 17:32:30,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 17:32:30,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 17:32:30,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 17:32:30,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 17:32:30,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (1/1) ... [2022-03-20 17:32:30,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:32:30,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 17:32:30,929 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 17:32:30,948 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 17:32:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 17:32:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 17:32:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 17:32:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-20 17:32:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-20 17:32:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 17:32:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 17:32:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 17:32:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 17:32:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 17:32:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 17:32:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 17:32:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 17:32:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 17:32:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 17:32:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 17:32:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 17:32:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 17:32:31,160 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 17:32:31,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 17:32:33,494 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 17:32:33,880 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-20 17:32:33,880 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-20 17:32:33,890 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 17:32:33,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 17:32:33,896 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 17:32:33,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:32:33 BoogieIcfgContainer [2022-03-20 17:32:33,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 17:32:33,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 17:32:33,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 17:32:33,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 17:32:33,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 05:32:30" (1/3) ... [2022-03-20 17:32:33,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf85804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:32:33, skipping insertion in model container [2022-03-20 17:32:33,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:30" (2/3) ... [2022-03-20 17:32:33,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf85804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:32:33, skipping insertion in model container [2022-03-20 17:32:33,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:32:33" (3/3) ... [2022-03-20 17:32:33,903 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.02.i.cil-2.c [2022-03-20 17:32:33,906 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 17:32:33,907 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 17:32:33,937 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 17:32:33,942 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 17:32:33,942 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 17:32:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 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 17:32:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-20 17:32:33,962 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:33,966 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, 1, 1] [2022-03-20 17:32:33,967 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:33,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:33,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2027838722, now seen corresponding path program 1 times [2022-03-20 17:32:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:33,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1508603193] [2022-03-20 17:32:33,983 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 17:32:33,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2027838722, now seen corresponding path program 2 times [2022-03-20 17:32:33,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:33,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880089860] [2022-03-20 17:32:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:33,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:32:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:34,330 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 17:32:34,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:32:34,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880089860] [2022-03-20 17:32:34,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880089860] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:34,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:34,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:34,333 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:32:34,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1508603193] [2022-03-20 17:32:34,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1508603193] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:34,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:34,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:34,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376562872] [2022-03-20 17:32:34,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:32:34,337 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:32:34,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:34,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:32:34,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:32:34,366 INFO L87 Difference]: Start difference. First operand has 153 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 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 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 17:32:36,394 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 17:32:37,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:32:37,024 INFO L93 Difference]: Finished difference Result 324 states and 540 transitions. [2022-03-20 17:32:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:32:37,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 52 [2022-03-20 17:32:37,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:32:37,034 INFO L225 Difference]: With dead ends: 324 [2022-03-20 17:32:37,034 INFO L226 Difference]: Without dead ends: 165 [2022-03-20 17:32:37,036 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 17:32:37,038 INFO L913 BasicCegarLoop]: 219 mSDtfsCounter, 34 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-03-20 17:32:37,039 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 577 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 401 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-03-20 17:32:37,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-03-20 17:32:37,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2022-03-20 17:32:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.5384615384615385) internal successors, (220), 143 states have internal predecessors, (220), 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 17:32:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 224 transitions. [2022-03-20 17:32:37,091 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 224 transitions. Word has length 52 [2022-03-20 17:32:37,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:32:37,091 INFO L478 AbstractCegarLoop]: Abstraction has 148 states and 224 transitions. [2022-03-20 17:32:37,091 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 17:32:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 224 transitions. [2022-03-20 17:32:37,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-20 17:32:37,093 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:37,093 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, 1, 1] [2022-03-20 17:32:37,093 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 17:32:37,093 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:37,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:37,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1075038228, now seen corresponding path program 1 times [2022-03-20 17:32:37,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:37,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [270325084] [2022-03-20 17:32:37,116 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:32:37,116 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:32:37,116 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:32:37,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1075038228, now seen corresponding path program 2 times [2022-03-20 17:32:37,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:37,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156605433] [2022-03-20 17:32:37,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:37,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:32:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:37,289 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 17:32:37,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:32:37,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156605433] [2022-03-20 17:32:37,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156605433] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:37,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:37,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:37,290 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:32:37,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [270325084] [2022-03-20 17:32:37,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [270325084] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:37,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:37,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:37,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651112850] [2022-03-20 17:32:37,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:32:37,291 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:32:37,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:37,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:32:37,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:32:37,292 INFO L87 Difference]: Start difference. First operand 148 states and 224 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 17:32:39,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 17:32:39,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:32:39,663 INFO L93 Difference]: Finished difference Result 287 states and 431 transitions. [2022-03-20 17:32:39,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:32:39,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 65 [2022-03-20 17:32:39,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:32:39,665 INFO L225 Difference]: With dead ends: 287 [2022-03-20 17:32:39,665 INFO L226 Difference]: Without dead ends: 165 [2022-03-20 17:32:39,666 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 17:32:39,667 INFO L913 BasicCegarLoop]: 177 mSDtfsCounter, 24 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 17:32:39,667 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 453 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 17:32:39,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-03-20 17:32:39,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2022-03-20 17:32:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.5314685314685315) internal successors, (219), 143 states have internal predecessors, (219), 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 17:32:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 223 transitions. [2022-03-20 17:32:39,676 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 223 transitions. Word has length 65 [2022-03-20 17:32:39,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:32:39,676 INFO L478 AbstractCegarLoop]: Abstraction has 148 states and 223 transitions. [2022-03-20 17:32:39,676 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 17:32:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2022-03-20 17:32:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 17:32:39,678 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:39,678 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, 1, 1] [2022-03-20 17:32:39,678 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 17:32:39,678 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:39,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:39,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1045469476, now seen corresponding path program 1 times [2022-03-20 17:32:39,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:39,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1505611835] [2022-03-20 17:32:39,685 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:32:39,686 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:32:39,686 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:32:39,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1045469476, now seen corresponding path program 2 times [2022-03-20 17:32:39,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:39,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625275166] [2022-03-20 17:32:39,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:39,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:32:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:39,806 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 17:32:39,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:32:39,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625275166] [2022-03-20 17:32:39,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625275166] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:39,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:39,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:39,808 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:32:39,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1505611835] [2022-03-20 17:32:39,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1505611835] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:39,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:39,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:39,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120626396] [2022-03-20 17:32:39,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:32:39,809 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:32:39,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:39,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:32:39,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:32:39,809 INFO L87 Difference]: Start difference. First operand 148 states and 223 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 17:32:41,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 17:32:42,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:32:42,296 INFO L93 Difference]: Finished difference Result 383 states and 584 transitions. [2022-03-20 17:32:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:32:42,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 66 [2022-03-20 17:32:42,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:32:42,298 INFO L225 Difference]: With dead ends: 383 [2022-03-20 17:32:42,298 INFO L226 Difference]: Without dead ends: 261 [2022-03-20 17:32:42,299 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 17:32:42,299 INFO L913 BasicCegarLoop]: 108 mSDtfsCounter, 142 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-20 17:32:42,299 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 314 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-03-20 17:32:42,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-03-20 17:32:42,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 159. [2022-03-20 17:32:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 154 states have (on average 1.5194805194805194) internal successors, (234), 154 states have internal predecessors, (234), 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 17:32:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2022-03-20 17:32:42,317 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 66 [2022-03-20 17:32:42,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:32:42,317 INFO L478 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2022-03-20 17:32:42,317 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 17:32:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2022-03-20 17:32:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 17:32:42,318 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:42,318 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, 1, 1] [2022-03-20 17:32:42,326 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 17:32:42,326 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:42,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:42,327 INFO L85 PathProgramCache]: Analyzing trace with hash -207458704, now seen corresponding path program 1 times [2022-03-20 17:32:42,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:42,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [436629992] [2022-03-20 17:32:42,386 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 17:32:42,387 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 17:32:42,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1251261439, now seen corresponding path program 1 times [2022-03-20 17:32:42,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:42,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408522005] [2022-03-20 17:32:42,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:42,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:42,441 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 17:32:42,442 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 17:32:42,444 INFO L158 Benchmark]: Toolchain (without parser) took 12148.11ms. Allocated memory was 191.9MB in the beginning and 251.7MB in the end (delta: 59.8MB). Free memory was 137.8MB in the beginning and 214.2MB in the end (delta: -76.4MB). Peak memory consumption was 122.7MB. Max. memory is 8.0GB. [2022-03-20 17:32:42,445 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 17:32:42,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.32ms. Allocated memory is still 191.9MB. Free memory was 137.6MB in the beginning and 146.9MB in the end (delta: -9.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-20 17:32:42,445 INFO L158 Benchmark]: Boogie Preprocessor took 115.12ms. Allocated memory is still 191.9MB. Free memory was 146.9MB in the beginning and 139.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-20 17:32:42,445 INFO L158 Benchmark]: RCFGBuilder took 3005.69ms. Allocated memory was 191.9MB in the beginning and 251.7MB in the end (delta: 59.8MB). Free memory was 139.2MB in the beginning and 181.8MB in the end (delta: -42.6MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. [2022-03-20 17:32:42,446 INFO L158 Benchmark]: TraceAbstraction took 8545.35ms. Allocated memory is still 251.7MB. Free memory was 181.3MB in the beginning and 214.2MB in the end (delta: -33.0MB). Peak memory consumption was 106.0MB. Max. memory is 8.0GB. [2022-03-20 17:32:42,447 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 191.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 474.32ms. Allocated memory is still 191.9MB. Free memory was 137.6MB in the beginning and 146.9MB in the end (delta: -9.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 115.12ms. Allocated memory is still 191.9MB. Free memory was 146.9MB in the beginning and 139.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 3005.69ms. Allocated memory was 191.9MB in the beginning and 251.7MB in the end (delta: 59.8MB). Free memory was 139.2MB in the beginning and 181.8MB in the end (delta: -42.6MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. * TraceAbstraction took 8545.35ms. Allocated memory is still 251.7MB. Free memory was 181.3MB in the beginning and 214.2MB in the end (delta: -33.0MB). Peak memory consumption was 106.0MB. 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 17:32:42,476 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...