/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-circular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:04:22,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:04:22,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:04:22,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:04:22,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:04:22,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:04:22,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:04:22,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:04:22,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:04:22,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:04:22,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:04:22,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:04:22,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:04:22,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:04:22,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:04:22,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:04:22,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:04:22,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:04:22,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:04:22,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:04:22,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:04:22,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:04:22,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:04:22,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:04:22,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:04:22,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:04:22,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:04:22,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:04:22,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:04:22,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:04:22,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:04:22,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:04:22,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:04:22,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:04:22,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:04:22,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:04:22,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:04:22,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:04:22,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:04:22,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:04:22,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:04:22,385 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 12:04:22,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:04:22,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:04:22,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:04:22,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:04:22,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:04:22,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:04:22,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:04:22,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:04:22,442 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:04:22,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:04:22,444 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:04:22,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:04:22,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:04:22,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:04:22,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:04:22,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:04:22,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:04:22,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:04:22,445 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:04:22,445 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:04:22,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:04:22,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:04:22,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:04:22,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:04:22,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:04:22,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:04:22,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:04:22,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:04:22,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:04:22,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:04:22,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:04:22,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:04:22,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:04:22,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:04:22,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:04:22,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:04:22,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:04:22,859 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:04:22,861 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:04:22,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2022-10-16 12:04:22,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65b683ba/d99ea90cb9434338958df29e81ca2afd/FLAG89a85900d [2022-10-16 12:04:23,703 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:04:23,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2022-10-16 12:04:23,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65b683ba/d99ea90cb9434338958df29e81ca2afd/FLAG89a85900d [2022-10-16 12:04:23,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65b683ba/d99ea90cb9434338958df29e81ca2afd [2022-10-16 12:04:23,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:04:23,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:04:23,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:04:23,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:04:23,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:04:23,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:23" (1/1) ... [2022-10-16 12:04:23,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b644484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:23, skipping insertion in model container [2022-10-16 12:04:23,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:23" (1/1) ... [2022-10-16 12:04:23,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:04:24,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:04:24,423 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-circular-2.i[22391,22404] [2022-10-16 12:04:24,426 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-circular-2.i[22497,22510] [2022-10-16 12:04:24,428 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-circular-2.i[22622,22635] [2022-10-16 12:04:24,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:04:24,451 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:04:24,540 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-circular-2.i[22391,22404] [2022-10-16 12:04:24,541 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-circular-2.i[22497,22510] [2022-10-16 12:04:24,545 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-circular-2.i[22622,22635] [2022-10-16 12:04:24,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:04:24,595 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:04:24,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24 WrapperNode [2022-10-16 12:04:24,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:04:24,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:04:24,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:04:24,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:04:24,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,653 INFO L138 Inliner]: procedures = 119, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 117 [2022-10-16 12:04:24,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:04:24,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:04:24,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:04:24,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:04:24,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:04:24,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:04:24,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:04:24,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:04:24,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (1/1) ... [2022-10-16 12:04:24,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:04:24,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:04:24,730 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 12:04:24,745 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 12:04:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:04:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:04:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:04:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:04:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:04:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:04:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:04:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:04:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:04:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:04:24,994 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:04:25,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:04:25,367 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:04:25,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:04:25,375 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-16 12:04:25,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:04:25 BoogieIcfgContainer [2022-10-16 12:04:25,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:04:25,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:04:25,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:04:25,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:04:25,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:04:23" (1/3) ... [2022-10-16 12:04:25,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20749d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:04:25, skipping insertion in model container [2022-10-16 12:04:25,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:24" (2/3) ... [2022-10-16 12:04:25,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20749d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:04:25, skipping insertion in model container [2022-10-16 12:04:25,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:04:25" (3/3) ... [2022-10-16 12:04:25,389 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-circular-2.i [2022-10-16 12:04:25,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:04:25,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-10-16 12:04:25,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20749d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:04:25, skipping insertion in model container [2022-10-16 12:04:25,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:04:25,431 INFO L158 Benchmark]: Toolchain (without parser) took 1485.33ms. Allocated memory is still 165.7MB. Free memory was 138.2MB in the beginning and 135.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.3MB. Max. memory is 8.0GB. [2022-10-16 12:04:25,433 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:04:25,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.57ms. Allocated memory is still 165.7MB. Free memory was 138.0MB in the beginning and 121.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-10-16 12:04:25,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.35ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 118.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:04:25,438 INFO L158 Benchmark]: Boogie Preprocessor took 38.51ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:04:25,438 INFO L158 Benchmark]: RCFGBuilder took 683.82ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 137.6MB in the end (delta: -20.4MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-10-16 12:04:25,439 INFO L158 Benchmark]: TraceAbstraction took 44.00ms. Allocated memory is still 165.7MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:04:25,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 646.57ms. Allocated memory is still 165.7MB. Free memory was 138.0MB in the beginning and 121.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.35ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 118.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.51ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 683.82ms. Allocated memory is still 165.7MB. Free memory was 117.2MB in the beginning and 137.6MB in the end (delta: -20.4MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * TraceAbstraction took 44.00ms. Allocated memory is still 165.7MB. Free memory was 137.1MB in the beginning and 135.0MB 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 12:04:25,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...