/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.06.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 17:32:45,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 17:32:45,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 17:32:45,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 17:32:45,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 17:32:45,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 17:32:45,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 17:32:45,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 17:32:45,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 17:32:45,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 17:32:45,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 17:32:45,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 17:32:45,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 17:32:45,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 17:32:45,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 17:32:45,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 17:32:45,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 17:32:45,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 17:32:45,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 17:32:45,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 17:32:45,078 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 17:32:45,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 17:32:45,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 17:32:45,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 17:32:45,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 17:32:45,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 17:32:45,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 17:32:45,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 17:32:45,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 17:32:45,090 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 17:32:45,097 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 17:32:45,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 17:32:45,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 17:32:45,099 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 17:32:45,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 17:32:45,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 17:32:45,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 17:32:45,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 17:32:45,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 17:32:45,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 17:32:45,100 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 17:32:45,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 17:32:45,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 17:32:45,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 17:32:45,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 17:32:45,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 17:32:45,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 17:32:45,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 17:32:45,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:32:45,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 17:32:45,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 17:32:45,102 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 17:32:45,102 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 17:32:45,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 17:32:45,102 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 17:32:45,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 17:32:45,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 17:32:45,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 17:32:45,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 17:32:45,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 17:32:45,304 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 17:32:45,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.06.i.cil-1.c [2022-03-20 17:32:45,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b7f8fa2/a2bb50cacdc341018103229640ae63a1/FLAG5b453921a [2022-03-20 17:32:45,806 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 17:32:45,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.06.i.cil-1.c [2022-03-20 17:32:45,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b7f8fa2/a2bb50cacdc341018103229640ae63a1/FLAG5b453921a [2022-03-20 17:32:46,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b7f8fa2/a2bb50cacdc341018103229640ae63a1 [2022-03-20 17:32:46,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 17:32:46,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 17:32:46,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 17:32:46,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 17:32:46,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 17:32:46,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f3f3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46, skipping insertion in model container [2022-03-20 17:32:46,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 17:32:46,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 17:32:46,499 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.06.i.cil-1.c[78520,78533] [2022-03-20 17:32:46,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:32:46,514 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 17:32:46,614 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.06.i.cil-1.c[78520,78533] [2022-03-20 17:32:46,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 17:32:46,630 INFO L208 MainTranslator]: Completed translation [2022-03-20 17:32:46,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46 WrapperNode [2022-03-20 17:32:46,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 17:32:46,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 17:32:46,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 17:32:46,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 17:32:46,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 17:32:46,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 17:32:46,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 17:32:46,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 17:32:46,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (1/1) ... [2022-03-20 17:32:46,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 17:32:46,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 17:32:46,785 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 17:32:46,801 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 17:32:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 17:32:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 17:32:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 17:32:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2022-03-20 17:32:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2022-03-20 17:32:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 17:32:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-20 17:32:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2022-03-20 17:32:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 17:32:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-03-20 17:32:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 17:32:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 17:32:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 17:32:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 17:32:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 17:32:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 17:32:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-03-20 17:32:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 17:32:47,011 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 17:32:47,012 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 17:32:47,807 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-20 17:32:48,195 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-03-20 17:32:48,195 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-03-20 17:32:48,206 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 17:32:48,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 17:32:48,212 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 17:32:48,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:32:48 BoogieIcfgContainer [2022-03-20 17:32:48,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 17:32:48,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 17:32:48,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 17:32:48,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 17:32:48,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 05:32:46" (1/3) ... [2022-03-20 17:32:48,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce3625f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:32:48, skipping insertion in model container [2022-03-20 17:32:48,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:32:46" (2/3) ... [2022-03-20 17:32:48,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce3625f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:32:48, skipping insertion in model container [2022-03-20 17:32:48,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:32:48" (3/3) ... [2022-03-20 17:32:48,219 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.06.i.cil-1.c [2022-03-20 17:32:48,223 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 17:32:48,223 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 17:32:48,254 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 17:32:48,259 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 17:32:48,259 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 17:32:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 161 states have (on average 1.7267080745341614) internal successors, (278), 162 states have internal predecessors, (278), 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 17:32:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-03-20 17:32:48,282 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:48,282 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] [2022-03-20 17:32:48,283 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:48,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:48,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2054814794, now seen corresponding path program 1 times [2022-03-20 17:32:48,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:48,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1377600044] [2022-03-20 17:32:48,300 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 17:32:48,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2054814794, now seen corresponding path program 2 times [2022-03-20 17:32:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:48,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234992169] [2022-03-20 17:32:48,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:48,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:48,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:32:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:48,747 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 17:32:48,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:32:48,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234992169] [2022-03-20 17:32:48,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234992169] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:48,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:48,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:48,750 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:32:48,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1377600044] [2022-03-20 17:32:48,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1377600044] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:48,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:48,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:48,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992232440] [2022-03-20 17:32:48,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:32:48,753 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:32:48,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:48,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:32:48,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:32:48,772 INFO L87 Difference]: Start difference. First operand has 169 states, 161 states have (on average 1.7267080745341614) internal successors, (278), 162 states have internal predecessors, (278), 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 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 17:32:50,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:32:50,543 INFO L93 Difference]: Finished difference Result 461 states and 788 transitions. [2022-03-20 17:32:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:32:50,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 51 [2022-03-20 17:32:50,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:32:50,552 INFO L225 Difference]: With dead ends: 461 [2022-03-20 17:32:50,553 INFO L226 Difference]: Without dead ends: 281 [2022-03-20 17:32:50,556 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 17:32:50,558 INFO L913 BasicCegarLoop]: 180 mSDtfsCounter, 172 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-20 17:32:50,558 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 529 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-20 17:32:50,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-03-20 17:32:50,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 193. [2022-03-20 17:32:50,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 188 states have (on average 1.627659574468085) internal successors, (306), 188 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 17:32:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 310 transitions. [2022-03-20 17:32:50,602 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 310 transitions. Word has length 51 [2022-03-20 17:32:50,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:32:50,604 INFO L478 AbstractCegarLoop]: Abstraction has 193 states and 310 transitions. [2022-03-20 17:32:50,604 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 17:32:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 310 transitions. [2022-03-20 17:32:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-20 17:32:50,608 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:50,608 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 17:32:50,609 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 17:32:50,609 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:50,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1754606550, now seen corresponding path program 1 times [2022-03-20 17:32:50,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:50,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [575693409] [2022-03-20 17:32:50,610 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 17:32:50,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1754606550, now seen corresponding path program 2 times [2022-03-20 17:32:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:50,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714540967] [2022-03-20 17:32:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:32:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:50,742 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 17:32:50,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:32:50,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714540967] [2022-03-20 17:32:50,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714540967] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:50,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:50,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:50,743 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:32:50,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [575693409] [2022-03-20 17:32:50,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [575693409] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:50,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:50,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:50,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013270570] [2022-03-20 17:32:50,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:32:50,745 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:32:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:50,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:32:50,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:32:50,745 INFO L87 Difference]: Start difference. First operand 193 states and 310 transitions. 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 17:32:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:32:52,288 INFO L93 Difference]: Finished difference Result 399 states and 642 transitions. [2022-03-20 17:32:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:32:52,288 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 17:32:52,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:32:52,290 INFO L225 Difference]: With dead ends: 399 [2022-03-20 17:32:52,290 INFO L226 Difference]: Without dead ends: 221 [2022-03-20 17:32:52,290 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 17:32:52,291 INFO L913 BasicCegarLoop]: 208 mSDtfsCounter, 22 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-20 17:32:52,292 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 547 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-20 17:32:52,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-03-20 17:32:52,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 204. [2022-03-20 17:32:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.6331658291457287) internal successors, (325), 199 states have internal predecessors, (325), 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 17:32:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 329 transitions. [2022-03-20 17:32:52,316 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 329 transitions. Word has length 52 [2022-03-20 17:32:52,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:32:52,316 INFO L478 AbstractCegarLoop]: Abstraction has 204 states and 329 transitions. [2022-03-20 17:32:52,317 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 17:32:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 329 transitions. [2022-03-20 17:32:52,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-20 17:32:52,323 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:52,323 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 17:32:52,323 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 17:32:52,323 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:52,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:52,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1892555779, now seen corresponding path program 1 times [2022-03-20 17:32:52,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:52,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [809307620] [2022-03-20 17:32:52,348 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:32:52,348 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:32:52,348 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:32:52,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1892555779, now seen corresponding path program 2 times [2022-03-20 17:32:52,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:52,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861955299] [2022-03-20 17:32:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:52,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:52,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:32:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:52,494 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 17:32:52,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:32:52,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861955299] [2022-03-20 17:32:52,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861955299] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:52,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:52,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:52,495 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:32:52,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [809307620] [2022-03-20 17:32:52,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [809307620] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:52,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:52,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:52,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925366370] [2022-03-20 17:32:52,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:32:52,497 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:32:52,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:52,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:32:52,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:32:52,497 INFO L87 Difference]: Start difference. First operand 204 states and 329 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 17:32:54,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:32:54,520 INFO L93 Difference]: Finished difference Result 399 states and 641 transitions. [2022-03-20 17:32:54,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:32:54,520 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 17:32:54,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:32:54,522 INFO L225 Difference]: With dead ends: 399 [2022-03-20 17:32:54,522 INFO L226 Difference]: Without dead ends: 221 [2022-03-20 17:32:54,523 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 17:32:54,524 INFO L913 BasicCegarLoop]: 209 mSDtfsCounter, 24 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-20 17:32:54,524 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 549 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-20 17:32:54,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-03-20 17:32:54,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 204. [2022-03-20 17:32:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.6281407035175879) internal successors, (324), 199 states have internal predecessors, (324), 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 17:32:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 328 transitions. [2022-03-20 17:32:54,534 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 328 transitions. Word has length 65 [2022-03-20 17:32:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:32:54,535 INFO L478 AbstractCegarLoop]: Abstraction has 204 states and 328 transitions. [2022-03-20 17:32:54,535 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 17:32:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 328 transitions. [2022-03-20 17:32:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 17:32:54,536 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:54,536 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 17:32:54,536 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 17:32:54,536 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:54,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2036186669, now seen corresponding path program 1 times [2022-03-20 17:32:54,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:54,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1802362370] [2022-03-20 17:32:54,544 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: -1 HavocedVariables, -1 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 17:32:54,544 WARN L91 AcceleratorJordan]: Jordan acceleration failed, because SIMULTANEOUS_UPDATE_FAILED [2022-03-20 17:32:54,544 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-03-20 17:32:54,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2036186669, now seen corresponding path program 2 times [2022-03-20 17:32:54,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:54,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708098491] [2022-03-20 17:32:54,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:54,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 17:32:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 17:32:54,641 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 17:32:54,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 17:32:54,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708098491] [2022-03-20 17:32:54,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708098491] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:54,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:54,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:54,642 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 17:32:54,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1802362370] [2022-03-20 17:32:54,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1802362370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 17:32:54,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 17:32:54,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-20 17:32:54,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081728719] [2022-03-20 17:32:54,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 17:32:54,643 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-20 17:32:54,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:54,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-20 17:32:54,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-20 17:32:54,643 INFO L87 Difference]: Start difference. First operand 204 states and 328 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 17:32:56,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 17:32:56,706 INFO L93 Difference]: Finished difference Result 398 states and 639 transitions. [2022-03-20 17:32:56,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 17:32:56,706 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 17:32:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 17:32:56,707 INFO L225 Difference]: With dead ends: 398 [2022-03-20 17:32:56,707 INFO L226 Difference]: Without dead ends: 220 [2022-03-20 17:32:56,708 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 17:32:56,713 INFO L913 BasicCegarLoop]: 210 mSDtfsCounter, 28 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-20 17:32:56,714 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 551 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-20 17:32:56,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-03-20 17:32:56,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 204. [2022-03-20 17:32:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 199 states have (on average 1.6231155778894473) internal successors, (323), 199 states have internal predecessors, (323), 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 17:32:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 327 transitions. [2022-03-20 17:32:56,732 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 327 transitions. Word has length 66 [2022-03-20 17:32:56,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 17:32:56,732 INFO L478 AbstractCegarLoop]: Abstraction has 204 states and 327 transitions. [2022-03-20 17:32:56,732 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 17:32:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 327 transitions. [2022-03-20 17:32:56,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-20 17:32:56,733 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 17:32:56,733 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 17:32:56,733 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 17:32:56,733 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 17:32:56,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 17:32:56,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1420769855, now seen corresponding path program 1 times [2022-03-20 17:32:56,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 17:32:56,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1805154283] [2022-03-20 17:32:56,796 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 17:32:56,797 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 17:32:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash 143606393, now seen corresponding path program 1 times [2022-03-20 17:32:56,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 17:32:56,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594891991] [2022-03-20 17:32:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 17:32:56,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 17:32:56,841 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 17:32:56,842 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 17:32:56,845 INFO L158 Benchmark]: Toolchain (without parser) took 10694.78ms. Allocated memory was 255.9MB in the beginning and 348.1MB in the end (delta: 92.3MB). Free memory was 199.5MB in the beginning and 148.5MB in the end (delta: 51.0MB). Peak memory consumption was 144.0MB. Max. memory is 8.0GB. [2022-03-20 17:32:56,845 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 218.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 17:32:56,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.87ms. Allocated memory was 255.9MB in the beginning and 348.1MB in the end (delta: 92.3MB). Free memory was 199.3MB in the beginning and 299.4MB in the end (delta: -100.1MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2022-03-20 17:32:56,845 INFO L158 Benchmark]: Boogie Preprocessor took 105.76ms. Allocated memory is still 348.1MB. Free memory was 299.4MB in the beginning and 291.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-20 17:32:56,846 INFO L158 Benchmark]: RCFGBuilder took 1476.31ms. Allocated memory is still 348.1MB. Free memory was 291.7MB in the beginning and 261.2MB in the end (delta: 30.5MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. [2022-03-20 17:32:56,846 INFO L158 Benchmark]: TraceAbstraction took 8629.36ms. Allocated memory is still 348.1MB. Free memory was 260.7MB in the beginning and 148.5MB in the end (delta: 112.2MB). Peak memory consumption was 112.7MB. Max. memory is 8.0GB. [2022-03-20 17:32:56,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 218.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 479.87ms. Allocated memory was 255.9MB in the beginning and 348.1MB in the end (delta: 92.3MB). Free memory was 199.3MB in the beginning and 299.4MB in the end (delta: -100.1MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 105.76ms. Allocated memory is still 348.1MB. Free memory was 299.4MB in the beginning and 291.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1476.31ms. Allocated memory is still 348.1MB. Free memory was 291.7MB in the beginning and 261.2MB in the end (delta: 30.5MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. * TraceAbstraction took 8629.36ms. Allocated memory is still 348.1MB. Free memory was 260.7MB in the beginning and 148.5MB in the end (delta: 112.2MB). Peak memory consumption was 112.7MB. 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 17:32:56,871 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...