./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/s5iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/s5iff.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70fc07f337d560871b758ec21fc602cb3e06ef7fcea2b952562fc17cf6ac8e67 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 10:56:10,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 10:56:10,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 10:56:10,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 10:56:10,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 10:56:10,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 10:56:10,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 10:56:10,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 10:56:10,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 10:56:10,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 10:56:10,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 10:56:10,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 10:56:10,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 10:56:10,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 10:56:10,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 10:56:10,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 10:56:10,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 10:56:10,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 10:56:10,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 10:56:10,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 10:56:10,440 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 10:56:10,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 10:56:10,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 10:56:10,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 10:56:10,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 10:56:10,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 10:56:10,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 10:56:10,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 10:56:10,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 10:56:10,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 10:56:10,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 10:56:10,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 10:56:10,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 10:56:10,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 10:56:10,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 10:56:10,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 10:56:10,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 10:56:10,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 10:56:10,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 10:56:10,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 10:56:10,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 10:56:10,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 10:56:10,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 10:56:10,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 10:56:10,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 10:56:10,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 10:56:10,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 10:56:10,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 10:56:10,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 10:56:10,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 10:56:10,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 10:56:10,497 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 10:56:10,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 10:56:10,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 10:56:10,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 10:56:10,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 10:56:10,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 10:56:10,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 10:56:10,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 10:56:10,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 10:56:10,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 10:56:10,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 10:56:10,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 10:56:10,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 10:56:10,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 10:56:10,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 10:56:10,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 10:56:10,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 10:56:10,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 10:56:10,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 10:56:10,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 10:56:10,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 10:56:10,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 10:56:10,503 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 10:56:10,503 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 10:56:10,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 10:56:10,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70fc07f337d560871b758ec21fc602cb3e06ef7fcea2b952562fc17cf6ac8e67 [2022-07-22 10:56:10,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 10:56:10,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 10:56:10,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 10:56:10,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 10:56:10,751 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 10:56:10,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/s5iff.c [2022-07-22 10:56:10,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca2d14120/22511382506e43e99a603faa7aee3c6c/FLAGb046d0a96 [2022-07-22 10:56:11,200 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 10:56:11,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/s5iff.c [2022-07-22 10:56:11,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca2d14120/22511382506e43e99a603faa7aee3c6c/FLAGb046d0a96 [2022-07-22 10:56:11,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca2d14120/22511382506e43e99a603faa7aee3c6c [2022-07-22 10:56:11,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 10:56:11,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 10:56:11,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 10:56:11,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 10:56:11,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 10:56:11,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1552ff5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11, skipping insertion in model container [2022-07-22 10:56:11,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 10:56:11,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 10:56:11,426 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/array-fpi/s5iff.c[588,601] [2022-07-22 10:56:11,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 10:56:11,454 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 10:56:11,469 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/array-fpi/s5iff.c[588,601] [2022-07-22 10:56:11,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 10:56:11,502 INFO L208 MainTranslator]: Completed translation [2022-07-22 10:56:11,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11 WrapperNode [2022-07-22 10:56:11,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 10:56:11,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 10:56:11,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 10:56:11,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 10:56:11,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,542 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-07-22 10:56:11,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 10:56:11,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 10:56:11,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 10:56:11,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 10:56:11,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 10:56:11,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 10:56:11,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 10:56:11,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 10:56:11,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (1/1) ... [2022-07-22 10:56:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 10:56:11,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 10:56:11,600 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) [2022-07-22 10:56:11,601 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 [2022-07-22 10:56:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 10:56:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 10:56:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 10:56:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 10:56:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 10:56:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 10:56:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 10:56:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 10:56:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 10:56:11,677 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 10:56:11,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 10:56:11,802 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 10:56:11,819 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 10:56:11,820 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 10:56:11,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:56:11 BoogieIcfgContainer [2022-07-22 10:56:11,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 10:56:11,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 10:56:11,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 10:56:11,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 10:56:11,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:56:11" (1/3) ... [2022-07-22 10:56:11,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d48ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:56:11, skipping insertion in model container [2022-07-22 10:56:11,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:56:11" (2/3) ... [2022-07-22 10:56:11,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d48ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:56:11, skipping insertion in model container [2022-07-22 10:56:11,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:56:11" (3/3) ... [2022-07-22 10:56:11,829 INFO L111 eAbstractionObserver]: Analyzing ICFG s5iff.c [2022-07-22 10:56:11,842 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 10:56:11,842 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 10:56:11,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 10:56:11,904 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@546af8f1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d8f5340 [2022-07-22 10:56:11,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 10:56:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 10:56:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 10:56:11,914 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 10:56:11,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 10:56:11,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 10:56:11,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 10:56:11,920 INFO L85 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2022-07-22 10:56:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 10:56:11,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770407379] [2022-07-22 10:56:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 10:56:11,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 10:56:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 10:56:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 10:56:12,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 10:56:12,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770407379] [2022-07-22 10:56:12,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770407379] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 10:56:12,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 10:56:12,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 10:56:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932822676] [2022-07-22 10:56:12,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 10:56:12,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 10:56:12,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 10:56:12,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 10:56:12,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 10:56:12,125 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 10:56:12,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 10:56:12,140 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-07-22 10:56:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 10:56:12,143 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-22 10:56:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 10:56:12,149 INFO L225 Difference]: With dead ends: 34 [2022-07-22 10:56:12,149 INFO L226 Difference]: Without dead ends: 15 [2022-07-22 10:56:12,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 10:56:12,157 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 10:56:12,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 10:56:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-07-22 10:56:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-07-22 10:56:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 10:56:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-07-22 10:56:12,187 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-07-22 10:56:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 10:56:12,187 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-22 10:56:12,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 10:56:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-07-22 10:56:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 10:56:12,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 10:56:12,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 10:56:12,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 10:56:12,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 10:56:12,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 10:56:12,193 INFO L85 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2022-07-22 10:56:12,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 10:56:12,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627286361] [2022-07-22 10:56:12,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 10:56:12,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 10:56:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 10:56:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 10:56:12,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 10:56:12,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627286361] [2022-07-22 10:56:12,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627286361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 10:56:12,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 10:56:12,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 10:56:12,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932303255] [2022-07-22 10:56:12,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 10:56:12,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 10:56:12,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 10:56:12,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 10:56:12,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 10:56:12,339 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 10:56:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 10:56:12,424 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-07-22 10:56:12,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 10:56:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-22 10:56:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 10:56:12,425 INFO L225 Difference]: With dead ends: 28 [2022-07-22 10:56:12,426 INFO L226 Difference]: Without dead ends: 20 [2022-07-22 10:56:12,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 10:56:12,431 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 21 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 10:56:12,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 10 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 10:56:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-07-22 10:56:12,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2022-07-22 10:56:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 10:56:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-07-22 10:56:12,446 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-07-22 10:56:12,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 10:56:12,448 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-22 10:56:12,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 10:56:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-07-22 10:56:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-22 10:56:12,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 10:56:12,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 10:56:12,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 10:56:12,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 10:56:12,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 10:56:12,454 INFO L85 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2022-07-22 10:56:12,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 10:56:12,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821894298] [2022-07-22 10:56:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 10:56:12,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 10:56:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 10:56:12,523 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 10:56:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 10:56:12,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 10:56:12,596 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 10:56:12,597 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 10:56:12,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 10:56:12,602 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-22 10:56:12,606 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 10:56:12,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:56:12 BoogieIcfgContainer [2022-07-22 10:56:12,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 10:56:12,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 10:56:12,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 10:56:12,644 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 10:56:12,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:56:11" (3/4) ... [2022-07-22 10:56:12,645 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-22 10:56:12,675 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 10:56:12,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 10:56:12,676 INFO L158 Benchmark]: Toolchain (without parser) took 1454.06ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-07-22 10:56:12,676 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 10:56:12,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.24ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 73.1MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 10:56:12,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.60ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 10:56:12,677 INFO L158 Benchmark]: Boogie Preprocessor took 16.79ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 70.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 10:56:12,677 INFO L158 Benchmark]: RCFGBuilder took 261.13ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 59.9MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 10:56:12,678 INFO L158 Benchmark]: TraceAbstraction took 819.81ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 65.2MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 10:56:12,678 INFO L158 Benchmark]: Witness Printer took 31.28ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 10:56:12,680 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 79.7MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.24ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 73.1MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.60ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.79ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 70.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.13ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 59.9MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 819.81ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 65.2MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 31.28ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [a={-1:0}, i=0, N=1, sum={7:0}] [L32] COND TRUE i