/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/forester-heap/dll-token-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:04:28,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:04:28,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:04:28,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:04:28,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:04:28,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:04:28,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:04:28,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:04:28,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:04:28,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:04:28,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:04:28,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:04:28,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:04:28,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:04:28,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:04:28,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:04:28,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:04:28,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:04:28,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:04:28,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:04:28,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:04:28,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:04:28,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:04:28,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:04:28,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:04:28,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:04:28,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:04:28,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:04:28,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:04:28,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:04:28,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:04:28,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:04:28,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:04:28,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:04:28,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:04:28,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:04:28,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:04:28,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:04:28,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:04:28,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:04:28,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:04:28,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:04:28,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:04:28,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:04:28,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:04:28,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:04:28,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:04:28,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:04:28,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:04:28,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:04:28,524 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:04:28,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:04:28,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:04:28,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:04:28,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:04:28,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:04:28,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:04:28,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:04:28,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:04:28,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:04:28,528 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:04:28,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:04:28,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:04:28,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:04:28,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:04:28,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:04:28,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:04:28,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:04:28,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:04:28,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:04:28,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:04:28,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:04:28,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:04:28,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:04:28,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:04:28,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:04:28,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:04:28,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:04:28,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:04:28,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:04:28,964 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:04:28,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2022-10-16 12:04:29,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ebdc48c/60cfe319a4a54325a089c1b3d12864af/FLAGc46466582 [2022-10-16 12:04:29,789 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:04:29,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2022-10-16 12:04:29,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ebdc48c/60cfe319a4a54325a089c1b3d12864af/FLAGc46466582 [2022-10-16 12:04:30,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ebdc48c/60cfe319a4a54325a089c1b3d12864af [2022-10-16 12:04:30,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:04:30,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:04:30,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:04:30,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:04:30,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:04:30,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3d8ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30, skipping insertion in model container [2022-10-16 12:04:30,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:04:30,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:04:30,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22229,22242] [2022-10-16 12:04:30,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22398,22411] [2022-10-16 12:04:30,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22489,22502] [2022-10-16 12:04:30,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22571,22584] [2022-10-16 12:04:30,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22649,22662] [2022-10-16 12:04:30,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22795,22808] [2022-10-16 12:04:30,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:04:30,704 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:04:30,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22229,22242] [2022-10-16 12:04:30,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22398,22411] [2022-10-16 12:04:30,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22489,22502] [2022-10-16 12:04:30,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22571,22584] [2022-10-16 12:04:30,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22649,22662] [2022-10-16 12:04:30,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i[22795,22808] [2022-10-16 12:04:30,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:04:30,838 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:04:30,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30 WrapperNode [2022-10-16 12:04:30,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:04:30,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:04:30,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:04:30,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:04:30,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,939 INFO L138 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 130 [2022-10-16 12:04:30,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:04:30,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:04:30,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:04:30,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:04:30,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:30,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:31,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:31,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:31,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:31,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:04:31,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:04:31,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:04:31,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:04:31,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (1/1) ... [2022-10-16 12:04:31,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:04:31,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:04:31,063 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) [2022-10-16 12:04:31,087 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 [2022-10-16 12:04:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:04:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:04:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:04:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:04:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:04:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:04:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:04:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:04:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:04:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:04:31,400 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:04:31,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:04:31,744 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:04:31,756 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:04:31,759 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-10-16 12:04:31,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:04:31 BoogieIcfgContainer [2022-10-16 12:04:31,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:04:31,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:04:31,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:04:31,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:04:31,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:04:30" (1/3) ... [2022-10-16 12:04:31,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7bae7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:04:31, skipping insertion in model container [2022-10-16 12:04:31,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:30" (2/3) ... [2022-10-16 12:04:31,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7bae7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:04:31, skipping insertion in model container [2022-10-16 12:04:31,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:04:31" (3/3) ... [2022-10-16 12:04:31,778 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-token-2.i [2022-10-16 12:04:31,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:04:31,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-10-16 12:04:31,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7bae7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:04:31, skipping insertion in model container [2022-10-16 12:04:31,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:04:31,814 INFO L158 Benchmark]: Toolchain (without parser) took 1750.49ms. Allocated memory is still 151.0MB. Free memory was 124.8MB in the beginning and 117.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2022-10-16 12:04:31,815 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:04:31,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.62ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 106.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-16 12:04:31,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.19ms. Allocated memory is still 151.0MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:04:31,820 INFO L158 Benchmark]: Boogie Preprocessor took 77.25ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 12:04:31,821 INFO L158 Benchmark]: RCFGBuilder took 744.83ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 121.0MB in the end (delta: -18.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-10-16 12:04:31,823 INFO L158 Benchmark]: TraceAbstraction took 41.48ms. Allocated memory is still 151.0MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:04:31,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 773.62ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 106.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 100.19ms. Allocated memory is still 151.0MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.25ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 744.83ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 121.0MB in the end (delta: -18.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * TraceAbstraction took 41.48ms. Allocated memory is still 151.0MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-10-16 12:04:31,892 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...