/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.12.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 17:33:59,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 17:33:59,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 17:33:59,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 17:33:59,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 17:33:59,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 17:33:59,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 17:33:59,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 17:33:59,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 17:33:59,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 17:33:59,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 17:33:59,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 17:33:59,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 17:33:59,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 17:33:59,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 17:33:59,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 17:33:59,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 17:33:59,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 17:33:59,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 17:33:59,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 17:33:59,723 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 17:33:59,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 17:33:59,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 17:33:59,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 17:33:59,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 17:33:59,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 17:33:59,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 17:33:59,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 17:33:59,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 17:33:59,740 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 17:33:59,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 17:33:59,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 17:33:59,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 17:33:59,749 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 17:33:59,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 17:33:59,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 17:33:59,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 17:33:59,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 17:33:59,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 17:33:59,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 17:33:59,750 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 17:33:59,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 17:33:59,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 17:33:59,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 17:33:59,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 17:33:59,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 17:33:59,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 17:33:59,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 17:33:59,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:33:59,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 17:33:59,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 17:33:59,752 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 17:33:59,752 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 17:33:59,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 17:33:59,753 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 17:33:59,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 17:34:00,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 17:34:00,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 17:34:00,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 17:34:00,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 17:34:00,029 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 17:34:00,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.12.i.cil-1.c [2022-03-20 17:34:00,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01cc5ef5/ea2509d8bb5648ee8cf41c7b6ba7184e/FLAG8216ce764 [2022-03-20 17:34:00,624 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 17:34:00,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.12.i.cil-1.c [2022-03-20 17:34:00,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01cc5ef5/ea2509d8bb5648ee8cf41c7b6ba7184e/FLAG8216ce764 [2022-03-20 17:34:01,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d01cc5ef5/ea2509d8bb5648ee8cf41c7b6ba7184e [2022-03-20 17:34:01,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 17:34:01,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 17:34:01,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 17:34:01,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 17:34:01,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 17:34:01,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afddda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01, skipping insertion in model container [2022-03-20 17:34:01,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 17:34:01,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 17:34:01,496 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.12.i.cil-1.c[75166,75179] [2022-03-20 17:34:01,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:34:01,526 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 17:34:01,675 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.12.i.cil-1.c[75166,75179] [2022-03-20 17:34:01,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:34:01,698 INFO L208 MainTranslator]: Completed translation [2022-03-20 17:34:01,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01 WrapperNode [2022-03-20 17:34:01,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 17:34:01,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 17:34:01,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 17:34:01,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 17:34:01,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 17:34:01,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 17:34:01,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 17:34:01,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 17:34:01,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (1/1) ... [2022-03-20 17:34:01,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:34:01,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 17:34:01,868 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 17:34:01,895 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 17:34:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 17:34:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 17:34:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 17:34:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-20 17:34:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-20 17:34:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 17:34:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 17:34:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 17:34:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 17:34:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 17:34:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 17:34:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 17:34:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 17:34:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 17:34:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 17:34:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 17:34:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 17:34:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 17:34:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 17:34:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 17:34:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 17:34:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 17:34:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 17:34:02,129 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 17:34:02,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 17:34:02,808 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 17:34:03,317 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-20 17:34:03,317 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-20 17:34:03,329 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 17:34:03,335 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 17:34:03,336 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 17:34:03,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:34:03 BoogieIcfgContainer [2022-03-20 17:34:03,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 17:34:03,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 17:34:03,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 17:34:03,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 17:34:03,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 05:34:01" (1/3) ... [2022-03-20 17:34:03,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ad27ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:34:03, skipping insertion in model container [2022-03-20 17:34:03,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:34:01" (2/3) ... [2022-03-20 17:34:03,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ad27ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:34:03, skipping insertion in model container [2022-03-20 17:34:03,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:34:03" (3/3) ... [2022-03-20 17:34:03,344 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.12.i.cil-1.c [2022-03-20 17:34:03,349 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 17:34:03,349 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 17:34:03,385 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 17:34:03,390 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 17:34:03,391 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 17:34:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 152 states have (on average 1.7105263157894737) internal successors, (260), 153 states have internal predecessors, (260), 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 17:34:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-20 17:34:03,429 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:03,430 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] [2022-03-20 17:34:03,431 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:03,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1669369650, now seen corresponding path program 1 times [2022-03-20 17:34:03,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:03,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1007428729] [2022-03-20 17:34:03,456 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 17:34:03,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1669369650, now seen corresponding path program 2 times [2022-03-20 17:34:03,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:03,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778915136] [2022-03-20 17:34:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:03,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:34:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:04,040 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 17:34:04,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:34:04,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778915136] [2022-03-20 17:34:04,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778915136] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:04,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:04,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:04,047 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:34:04,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1007428729] [2022-03-20 17:34:04,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1007428729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:04,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:04,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:04,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177249721] [2022-03-20 17:34:04,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:34:04,055 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:34:04,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:04,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:34:04,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:34:04,087 INFO L87 Difference]: Start difference. First operand has 160 states, 152 states have (on average 1.7105263157894737) internal successors, (260), 153 states have internal predecessors, (260), 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 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 17:34:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:34:05,993 INFO L93 Difference]: Finished difference Result 437 states and 740 transitions. [2022-03-20 17:34:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:34:05,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 48 [2022-03-20 17:34:05,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:34:06,010 INFO L225 Difference]: With dead ends: 437 [2022-03-20 17:34:06,010 INFO L226 Difference]: Without dead ends: 266 [2022-03-20 17:34:06,013 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 17:34:06,016 INFO L913 BasicCegarLoop]: 161 mSDtfsCounter, 160 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-20 17:34:06,017 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 473 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-20 17:34:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-03-20 17:34:06,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 184. [2022-03-20 17:34:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.6089385474860336) internal successors, (288), 179 states have internal predecessors, (288), 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 17:34:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 292 transitions. [2022-03-20 17:34:06,067 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 292 transitions. Word has length 48 [2022-03-20 17:34:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:34:06,067 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 292 transitions. [2022-03-20 17:34:06,068 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 17:34:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 292 transitions. [2022-03-20 17:34:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-20 17:34:06,070 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:06,070 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] [2022-03-20 17:34:06,070 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 17:34:06,070 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:06,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:06,071 INFO L85 PathProgramCache]: Analyzing trace with hash 203097938, now seen corresponding path program 1 times [2022-03-20 17:34:06,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:06,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [348591585] [2022-03-20 17:34:06,072 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 17:34:06,072 INFO L85 PathProgramCache]: Analyzing trace with hash 203097938, now seen corresponding path program 2 times [2022-03-20 17:34:06,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:06,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295114711] [2022-03-20 17:34:06,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:06,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:34:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:06,248 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 17:34:06,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:34:06,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295114711] [2022-03-20 17:34:06,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295114711] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:06,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:06,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:06,250 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:34:06,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [348591585] [2022-03-20 17:34:06,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [348591585] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:06,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:06,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:06,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443033359] [2022-03-20 17:34:06,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:34:06,251 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:34:06,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:06,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:34:06,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:34:06,252 INFO L87 Difference]: Start difference. First operand 184 states and 292 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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 17:34:08,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:34:08,109 INFO L93 Difference]: Finished difference Result 381 states and 606 transitions. [2022-03-20 17:34:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:34:08,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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 49 [2022-03-20 17:34:08,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:34:08,111 INFO L225 Difference]: With dead ends: 381 [2022-03-20 17:34:08,111 INFO L226 Difference]: Without dead ends: 212 [2022-03-20 17:34:08,112 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 17:34:08,113 INFO L913 BasicCegarLoop]: 190 mSDtfsCounter, 22 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-20 17:34:08,113 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 493 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-20 17:34:08,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-03-20 17:34:08,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 195. [2022-03-20 17:34:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.6157894736842104) internal successors, (307), 190 states have internal predecessors, (307), 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 17:34:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 311 transitions. [2022-03-20 17:34:08,147 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 311 transitions. Word has length 49 [2022-03-20 17:34:08,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:34:08,147 INFO L478 AbstractCegarLoop]: Abstraction has 195 states and 311 transitions. [2022-03-20 17:34:08,148 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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 17:34:08,148 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 311 transitions. [2022-03-20 17:34:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-03-20 17:34:08,156 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:08,157 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] [2022-03-20 17:34:08,157 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 17:34:08,157 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:08,158 INFO L85 PathProgramCache]: Analyzing trace with hash 143721976, now seen corresponding path program 1 times [2022-03-20 17:34:08,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:08,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [807051751] [2022-03-20 17:34:08,183 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:34:08,183 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:34:08,183 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:34:08,184 INFO L85 PathProgramCache]: Analyzing trace with hash 143721976, now seen corresponding path program 2 times [2022-03-20 17:34:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:08,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991431856] [2022-03-20 17:34:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:08,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:34:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:08,388 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 17:34:08,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:34:08,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991431856] [2022-03-20 17:34:08,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991431856] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:08,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:08,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:08,390 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:34:08,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [807051751] [2022-03-20 17:34:08,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [807051751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:08,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:08,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:08,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663253064] [2022-03-20 17:34:08,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:34:08,391 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:34:08,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:34:08,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:34:08,392 INFO L87 Difference]: Start difference. First operand 195 states and 311 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 17:34:10,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-03-20 17:34:11,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:34:11,530 INFO L93 Difference]: Finished difference Result 381 states and 605 transitions. [2022-03-20 17:34:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:34:11,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 62 [2022-03-20 17:34:11,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:34:11,532 INFO L225 Difference]: With dead ends: 381 [2022-03-20 17:34:11,532 INFO L226 Difference]: Without dead ends: 212 [2022-03-20 17:34:11,534 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 17:34:11,535 INFO L913 BasicCegarLoop]: 191 mSDtfsCounter, 24 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-03-20 17:34:11,535 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 495 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-03-20 17:34:11,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-03-20 17:34:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 195. [2022-03-20 17:34:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.6105263157894736) internal successors, (306), 190 states have internal predecessors, (306), 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 17:34:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 310 transitions. [2022-03-20 17:34:11,550 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 310 transitions. Word has length 62 [2022-03-20 17:34:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:34:11,550 INFO L478 AbstractCegarLoop]: Abstraction has 195 states and 310 transitions. [2022-03-20 17:34:11,551 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 17:34:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 310 transitions. [2022-03-20 17:34:11,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-03-20 17:34:11,551 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:11,552 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] [2022-03-20 17:34:11,552 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 17:34:11,552 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:11,552 INFO L85 PathProgramCache]: Analyzing trace with hash -2075650552, now seen corresponding path program 1 times [2022-03-20 17:34:11,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:11,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1548232996] [2022-03-20 17:34:11,561 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:34:11,561 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:34:11,561 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:34:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2075650552, now seen corresponding path program 2 times [2022-03-20 17:34:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:11,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774170406] [2022-03-20 17:34:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:34:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:34:11,682 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 17:34:11,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:34:11,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774170406] [2022-03-20 17:34:11,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774170406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:11,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:11,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:11,684 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:34:11,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1548232996] [2022-03-20 17:34:11,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1548232996] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:34:11,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:34:11,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:34:11,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741658693] [2022-03-20 17:34:11,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:34:11,685 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:34:11,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:11,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:34:11,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:34:11,686 INFO L87 Difference]: Start difference. First operand 195 states and 310 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 17:34:14,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:34:14,048 INFO L93 Difference]: Finished difference Result 380 states and 603 transitions. [2022-03-20 17:34:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:34:14,049 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 17:34:14,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:34:14,050 INFO L225 Difference]: With dead ends: 380 [2022-03-20 17:34:14,050 INFO L226 Difference]: Without dead ends: 211 [2022-03-20 17:34:14,051 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 17:34:14,052 INFO L913 BasicCegarLoop]: 192 mSDtfsCounter, 28 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-20 17:34:14,052 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 497 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-20 17:34:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-03-20 17:34:14,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 195. [2022-03-20 17:34:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 190 states have (on average 1.605263157894737) internal successors, (305), 190 states have internal predecessors, (305), 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 17:34:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 309 transitions. [2022-03-20 17:34:14,063 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 309 transitions. Word has length 63 [2022-03-20 17:34:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:34:14,064 INFO L478 AbstractCegarLoop]: Abstraction has 195 states and 309 transitions. [2022-03-20 17:34:14,064 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 17:34:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 309 transitions. [2022-03-20 17:34:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-03-20 17:34:14,065 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:34:14,065 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] [2022-03-20 17:34:14,065 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 17:34:14,065 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:34:14,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:34:14,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1171805940, now seen corresponding path program 1 times [2022-03-20 17:34:14,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:34:14,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [324808140] [2022-03-20 17:34:14,132 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 17:34:14,132 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 17:34:14,133 INFO L85 PathProgramCache]: Analyzing trace with hash -994219601, now seen corresponding path program 1 times [2022-03-20 17:34:14,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:34:14,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414818124] [2022-03-20 17:34:14,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:34:14,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:34:14,210 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 17:34:14,211 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 17:34:14,219 INFO L158 Benchmark]: Toolchain (without parser) took 13141.00ms. Allocated memory was 179.3MB in the beginning and 260.0MB in the end (delta: 80.7MB). Free memory was 125.6MB in the beginning and 219.8MB in the end (delta: -94.2MB). Peak memory consumption was 103.2MB. Max. memory is 8.0GB. [2022-03-20 17:34:14,219 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 17:34:14,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.64ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 125.4MB in the beginning and 172.2MB in the end (delta: -46.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-20 17:34:14,223 INFO L158 Benchmark]: Boogie Preprocessor took 140.24ms. Allocated memory is still 216.0MB. Free memory was 172.2MB in the beginning and 164.4MB in the end (delta: 7.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-20 17:34:14,224 INFO L158 Benchmark]: RCFGBuilder took 1497.09ms. Allocated memory is still 216.0MB. Free memory was 164.4MB in the beginning and 167.1MB in the end (delta: -2.7MB). Peak memory consumption was 65.8MB. Max. memory is 8.0GB. [2022-03-20 17:34:14,224 INFO L158 Benchmark]: TraceAbstraction took 10878.47ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 166.6MB in the beginning and 219.8MB in the end (delta: -53.2MB). Peak memory consumption was 106.6MB. Max. memory is 8.0GB. [2022-03-20 17:34:14,225 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 179.3MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 619.64ms. Allocated memory was 179.3MB in the beginning and 216.0MB in the end (delta: 36.7MB). Free memory was 125.4MB in the beginning and 172.2MB in the end (delta: -46.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 140.24ms. Allocated memory is still 216.0MB. Free memory was 172.2MB in the beginning and 164.4MB in the end (delta: 7.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1497.09ms. Allocated memory is still 216.0MB. Free memory was 164.4MB in the beginning and 167.1MB in the end (delta: -2.7MB). Peak memory consumption was 65.8MB. Max. memory is 8.0GB. * TraceAbstraction took 10878.47ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 166.6MB in the beginning and 219.8MB in the end (delta: -53.2MB). Peak memory consumption was 106.6MB. 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 17:34:14,266 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...