/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/SifaC.xml --sifa.abstract.domain OctagonDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-fpi/pcompf.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 17:47:19,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 17:47:19,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 17:47:19,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 17:47:19,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 17:47:19,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 17:47:19,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 17:47:19,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 17:47:19,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 17:47:19,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 17:47:19,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 17:47:19,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 17:47:19,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 17:47:19,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 17:47:19,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 17:47:19,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 17:47:19,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 17:47:19,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 17:47:19,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 17:47:19,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 17:47:19,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 17:47:19,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 17:47:19,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 17:47:19,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 17:47:19,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 17:47:19,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 17:47:19,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 17:47:19,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 17:47:19,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 17:47:19,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 17:47:19,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 17:47:19,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 17:47:19,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 17:47:19,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 17:47:19,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 17:47:19,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 17:47:19,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 17:47:19,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 17:47:19,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 17:47:19,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 17:47:19,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 17:47:19,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-22 17:47:19,376 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 17:47:19,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 17:47:19,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 17:47:19,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 17:47:19,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 17:47:19,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 17:47:19,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 17:47:19,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 17:47:19,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 17:47:19,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 17:47:19,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 17:47:19,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 17:47:19,380 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 17:47:19,381 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-22 17:47:19,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 17:47:19,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 17:47:19,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 17:47:19,593 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 17:47:19,595 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 17:47:19,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/pcompf.c [2023-03-22 17:47:20,805 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 17:47:20,960 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 17:47:20,960 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/pcompf.c [2023-03-22 17:47:20,964 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09161d073/018e11402c5242e387420d55d5dde58c/FLAGbfcca0150 [2023-03-22 17:47:20,975 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09161d073/018e11402c5242e387420d55d5dde58c [2023-03-22 17:47:20,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 17:47:20,977 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 17:47:20,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 17:47:20,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 17:47:20,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 17:47:20,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 05:47:20" (1/1) ... [2023-03-22 17:47:20,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f1e6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:20, skipping insertion in model container [2023-03-22 17:47:20,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 05:47:20" (1/1) ... [2023-03-22 17:47:20,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 17:47:21,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 17:47:21,129 WARN L247 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/pcompf.c[589,602] [2023-03-22 17:47:21,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 17:47:21,150 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 17:47:21,158 WARN L247 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/pcompf.c[589,602] [2023-03-22 17:47:21,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 17:47:21,176 INFO L208 MainTranslator]: Completed translation [2023-03-22 17:47:21,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21 WrapperNode [2023-03-22 17:47:21,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 17:47:21,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 17:47:21,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 17:47:21,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 17:47:21,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 17:47:21,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 17:47:21,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 17:47:21,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 17:47:21,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 17:47:21,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 17:47:21,258 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) [2023-03-22 17:47:21,265 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 [2023-03-22 17:47:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 17:47:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 17:47:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 17:47:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-22 17:47:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-22 17:47:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 17:47:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 17:47:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 17:47:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 17:47:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 17:47:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 17:47:21,354 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 17:47:21,356 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 17:47:21,502 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 17:47:21,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 17:47:21,507 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-22 17:47:21,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 05:47:21 BoogieIcfgContainer [2023-03-22 17:47:21,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 17:47:21,508 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 17:47:21,509 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 17:47:21,509 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 17:47:21,509 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 05:47:21" (1/1) ... [2023-03-22 17:47:21,510 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-22 17:47:21,530 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 17:47:21,531 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 17:47:21,534 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 17:47:21,552 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 17:47:21,552 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 17:47:21,770 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 46 for LOIs [2023-03-22 17:47:25,848 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 237 for LOIs [2023-03-22 17:47:26,300 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 17:47:26,310 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 17:47:26,310 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 17:47:26,311 INFO L158 Benchmark]: Toolchain (without parser) took 5333.35ms. Allocated memory was 211.8MB in the beginning and 355.5MB in the end (delta: 143.7MB). Free memory was 171.5MB in the beginning and 294.5MB in the end (delta: -123.1MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. [2023-03-22 17:47:26,311 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 211.8MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 17:47:26,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.74ms. Allocated memory is still 211.8MB. Free memory was 171.2MB in the beginning and 160.3MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-22 17:47:26,312 INFO L158 Benchmark]: Boogie Preprocessor took 44.80ms. Allocated memory is still 211.8MB. Free memory was 160.3MB in the beginning and 158.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-22 17:47:26,312 INFO L158 Benchmark]: RCFGBuilder took 280.95ms. Allocated memory is still 211.8MB. Free memory was 158.6MB in the beginning and 144.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-22 17:47:26,313 INFO L158 Benchmark]: Sifa took 4801.74ms. Allocated memory was 211.8MB in the beginning and 355.5MB in the end (delta: 143.7MB). Free memory was 144.9MB in the beginning and 294.5MB in the end (delta: -149.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 17:47:26,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 211.8MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 202.74ms. Allocated memory is still 211.8MB. Free memory was 171.2MB in the beginning and 160.3MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.80ms. Allocated memory is still 211.8MB. Free memory was 160.3MB in the beginning and 158.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 280.95ms. Allocated memory is still 211.8MB. Free memory was 158.6MB in the beginning and 144.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Sifa took 4801.74ms. Allocated memory was 211.8MB in the beginning and 355.5MB in the end (delta: 143.7MB). Free memory was 144.9MB in the beginning and 294.5MB in the end (delta: -149.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 4.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 65, TOOLS_POST_TIME: 3.1s, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME: 0.8s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 79, TOOLS_QUANTIFIERELIM_TIME: 4.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 101, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.2s, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 2.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.5s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 222, DAG_COMPRESSION_RETAINED_NODES: 73 - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 99#(and (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (or (and (<= |#NULL.base| |#NULL.offset|) (<= 1 (+ ~N~0 |#NULL.base|)) (<= 1 (+ |#NULL.offset| |#StackHeapBarrier|)) (<= 1 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (<= (+ |#NULL.offset| 1) |#StackHeapBarrier|) (<= ~N~0 2147483647) (<= (+ |#NULL.base| 1) ~N~0) (<= (+ |#NULL.base| 1) |#StackHeapBarrier|) (<= 0 (+ |#NULL.offset| |#NULL.base|)) (<= 2 (+ ~N~0 |#StackHeapBarrier|)) (<= 1 ~N~0) (<= |#NULL.offset| 0) (<= ~N~0 (+ |#StackHeapBarrier| 2147483646)) (<= 1 (+ |#StackHeapBarrier| |#NULL.base|)) (<= (+ |#NULL.offset| 1) ~N~0) (<= |#NULL.base| 0) (<= 1 (+ |#NULL.offset| ~N~0)) (<= |#NULL.offset| |#NULL.base|) (<= ~N~0 (+ 2147483647 |#NULL.base|)) (<= ~N~0 (+ |#NULL.offset| 2147483647)) (<= (+ |#NULL.offset| ~N~0) 2147483647) (<= 0 |#NULL.offset|) (<= (+ ~N~0 |#NULL.base|) 2147483647) (<= (+ |#NULL.offset| |#NULL.base|) 0)) (and (<= |#NULL.base| |#NULL.offset|) (<= 1 (+ |#NULL.offset| |#StackHeapBarrier|)) (<= 1 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (<= (+ |#NULL.offset| 1) |#StackHeapBarrier|) (<= ~N~0 2147483647) (<= (+ |#NULL.base| 1) |#StackHeapBarrier|) (<= (+ |#NULL.offset| 2) ~N~0) (<= 0 (+ |#NULL.offset| |#NULL.base|)) (<= |#NULL.offset| 0) (<= ~N~0 (+ |#StackHeapBarrier| 2147483646)) (<= 1 (+ |#StackHeapBarrier| |#NULL.base|)) (<= 2 (+ ~N~0 |#NULL.base|)) (<= 3 (+ ~N~0 |#StackHeapBarrier|)) (<= |#NULL.base| 0) (<= 2 ~N~0) (<= |#NULL.offset| |#NULL.base|) (<= ~N~0 (+ 2147483647 |#NULL.base|)) (<= (+ 2 |#NULL.base|) ~N~0) (<= ~N~0 (+ |#NULL.offset| 2147483647)) (<= (+ |#NULL.offset| ~N~0) 2147483647) (<= 0 |#NULL.offset|) (<= (+ ~N~0 |#NULL.base|) 2147483647) (<= 2 (+ |#NULL.offset| ~N~0)) (<= (+ |#NULL.offset| |#NULL.base|) 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-22 17:47:26,328 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...