/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-crafted/mapavg2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 17:45:19,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 17:45:19,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 17:45:19,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 17:45:19,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 17:45:19,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 17:45:19,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 17:45:19,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 17:45:19,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 17:45:19,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 17:45:19,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 17:45:19,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 17:45:19,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 17:45:19,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 17:45:19,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 17:45:19,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 17:45:19,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 17:45:19,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 17:45:19,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 17:45:19,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 17:45:19,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 17:45:19,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 17:45:19,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 17:45:19,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 17:45:19,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 17:45:19,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 17:45:19,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 17:45:19,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 17:45:19,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 17:45:19,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 17:45:19,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 17:45:19,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 17:45:19,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 17:45:19,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 17:45:19,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 17:45:19,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 17:45:19,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 17:45:19,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 17:45:19,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 17:45:19,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 17:45:19,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 17:45:19,355 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 17:45:19,369 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 17:45:19,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 17:45:19,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 17:45:19,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 17:45:19,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 17:45:19,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 17:45:19,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 17:45:19,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 17:45:19,371 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 17:45:19,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 17:45:19,371 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 17:45:19,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 17:45:19,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 17:45:19,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 17:45:19,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 17:45:19,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 17:45:19,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 17:45:19,372 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 17:45:19,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 17:45:19,372 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 17:45:19,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 17:45:19,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 17:45:19,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 17:45:19,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 17:45:19,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 17:45:19,373 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 17:45:19,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 17:45:19,374 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 17:45:19,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-22 17:45:19,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 17:45:19,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 17:45:19,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 17:45:19,560 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 17:45:19,561 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 17:45:19,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/mapavg2.i [2023-03-22 17:45:20,589 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 17:45:20,741 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 17:45:20,742 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/mapavg2.i [2023-03-22 17:45:20,747 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179f51793/051a391861454463a39f7479085ec649/FLAG7e49d3fb6 [2023-03-22 17:45:20,761 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/179f51793/051a391861454463a39f7479085ec649 [2023-03-22 17:45:20,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 17:45:20,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 17:45:20,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 17:45:20,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 17:45:20,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 17:45:20,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415ebbb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20, skipping insertion in model container [2023-03-22 17:45:20,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 17:45:20,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 17:45:20,912 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-crafted/mapavg2.i[1313,1326] [2023-03-22 17:45:20,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 17:45:20,922 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 17:45:20,941 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-crafted/mapavg2.i[1313,1326] [2023-03-22 17:45:20,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 17:45:20,950 INFO L208 MainTranslator]: Completed translation [2023-03-22 17:45:20,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20 WrapperNode [2023-03-22 17:45:20,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 17:45:20,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 17:45:20,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 17:45:20,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 17:45:20,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,992 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:20,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 17:45:20,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 17:45:20,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 17:45:20,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 17:45:20,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 05:45:20" (1/1) ... [2023-03-22 17:45:21,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 17:45:21,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 17:45:21,021 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 17:45:21,023 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 17:45:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 17:45:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 17:45:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 17:45:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mapavg [2023-03-22 17:45:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 17:45:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure mapavg [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-22 17:45:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 17:45:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 17:45:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 17:45:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 17:45:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 17:45:21,106 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 17:45:21,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 17:45:21,319 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 17:45:21,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 17:45:21,323 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-22 17:45:21,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 05:45:21 BoogieIcfgContainer [2023-03-22 17:45:21,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 17:45:21,325 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 17:45:21,325 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 17:45:21,325 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 17:45:21,326 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 05:45:21" (1/1) ... [2023-03-22 17:45:21,326 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 17:45:21,374 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 17:45:21,375 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 17:45:21,379 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 17:45:21,383 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 17:45:21,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 17:45:21,497 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-22 17:45:23,825 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 17:45:23,841 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 17:45:23,842 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 17:45:23,843 INFO L158 Benchmark]: Toolchain (without parser) took 3078.23ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 201.6MB in the beginning and 301.8MB in the end (delta: -100.2MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2023-03-22 17:45:23,844 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 17:45:23,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.81ms. Allocated memory is still 251.7MB. Free memory was 201.1MB in the beginning and 190.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-22 17:45:23,845 INFO L158 Benchmark]: Boogie Preprocessor took 43.38ms. Allocated memory is still 251.7MB. Free memory was 190.6MB in the beginning and 189.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-22 17:45:23,848 INFO L158 Benchmark]: RCFGBuilder took 329.29ms. Allocated memory is still 251.7MB. Free memory was 189.0MB in the beginning and 175.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-22 17:45:23,849 INFO L158 Benchmark]: Sifa took 2516.57ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 175.9MB in the beginning and 301.8MB in the end (delta: -125.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 17:45:23,853 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 195.0MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 183.81ms. Allocated memory is still 251.7MB. Free memory was 201.1MB in the beginning and 190.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.38ms. Allocated memory is still 251.7MB. Free memory was 190.6MB in the beginning and 189.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 329.29ms. Allocated memory is still 251.7MB. Free memory was 189.0MB in the beginning and 175.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Sifa took 2516.57ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 175.9MB in the beginning and 301.8MB in the end (delta: -125.9MB). 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: 2.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME: 1.5s, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 43, TOOLS_QUANTIFIERELIM_TIME: 2.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 57, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 0.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, 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: 105, DAG_COMPRESSION_RETAINED_NODES: 53 - UnprovableResult [Line: 53]: 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 57#(and (<= |#NULL.offset| (+ main_~ret~1 2147483648)) (<= |#NULL.base| |#NULL.offset|) (<= (+ |main_~#x~0.offset| main_~ret~1) 2147483647) (<= 1 (+ |#NULL.offset| |#StackHeapBarrier|)) (<= |main_~#x~0.offset| (+ main_~ret2~0 2147483648)) (<= main_~ret~1 (+ |main_~#x~0.offset| 2147483647)) (<= (+ 1000 |#NULL.base|) main_~i~1) (<= (+ |main_~#x~0.offset| 2) |main_~#x~0.base|) (<= (+ main_~ret~1 |#NULL.base|) 2147483647) (<= main_~ret2~0 (+ 2147483647 |#NULL.base|)) (<= 1 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (<= 2 |main_~#x~0.base|) (<= 0 (+ main_~ret2~0 2147483648)) (<= |#NULL.offset| main_~i~2) (<= 0 (+ main_~ret~1 main_~i~2 2147483648)) (<= (+ |#NULL.offset| 1) |#StackHeapBarrier|) (<= main_~ret~1 2147483647) (<= (+ |#NULL.base| 1) |#StackHeapBarrier|) (<= main_~ret~1 (+ 2147482647 main_~i~1)) (<= main_~ret~1 (+ |#NULL.offset| 2147483647)) (<= main_~ret5~0 2147483647) (<= 0 (+ |main_~#x~0.offset| main_~i~2)) (<= main_~ret~1 (+ |#StackHeapBarrier| 2147483646)) (<= (+ |main_~#x~0.offset| 1) |#StackHeapBarrier|) (<= 0 (+ |#NULL.offset| |#NULL.base|)) (exists ((|v_#memory_int_21| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_21| |main_~#x~0.base| (store (select |v_#memory_int_21| |main_~#x~0.base|) (+ 3996 |main_~#x~0.offset|) main_~temp~0)))) (<= (+ |#NULL.offset| main_~ret2~0) 2147483647) (or (not (= main_~ret~1 main_~ret5~0)) (not (= main_~ret~1 main_~ret2~0))) (<= 1 (+ main_~i~2 |#StackHeapBarrier|)) (<= main_~ret2~0 (+ 2147483647 main_~i~2)) (<= 1000 (+ |main_~#x~0.offset| main_~i~1)) (<= 0 (+ main_~i~2 |#NULL.base|)) (<= (+ main_~ret2~0 |#NULL.base|) 2147483647) (<= 2 (+ |main_~#x~0.offset| |main_~#x~0.base|)) (<= 1002 (+ |main_~#x~0.base| main_~i~1)) (<= 0 (+ main_~ret~1 main_~ret2~0 4294967296)) (<= main_~ret2~0 (+ |#NULL.offset| 2147483647)) (<= |#NULL.offset| (+ main_~ret2~0 2147483648)) (<= |main_~#x~0.offset| |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1000 (+ |#NULL.offset| main_~i~1)) (<= (+ |#NULL.offset| main_~ret~1) 2147483647) (<= 0 (+ main_~ret2~0 |#NULL.base| 2147483648)) (<= 1 (+ |#StackHeapBarrier| |#NULL.base|)) (<= main_~ret~1 (+ 2147483645 |main_~#x~0.base|)) (<= 0 (+ main_~ret5~0 2147483648)) (<= 0 (+ main_~ret~1 |#NULL.base| 2147483648)) (<= 1000 (+ main_~i~2 main_~i~1)) (<= |main_~#x~0.offset| |#NULL.base|) (<= (+ |main_~#x~0.offset| main_~ret2~0) 2147483647) (<= 0 (+ main_~ret~1 2147483648)) (<= main_~ret2~0 (+ |#StackHeapBarrier| 2147483646)) (<= (+ |main_~#x~0.offset| |#NULL.base|) 0) (<= 0 |main_~#x~0.offset|) (<= 2 (+ |main_~#x~0.base| |#NULL.base|)) (<= (+ |#NULL.offset| 2) |main_~#x~0.base|) (<= 0 (+ |main_~#x~0.offset| |#NULL.offset|)) (<= (+ |main_~#x~0.offset| |#NULL.offset|) 0) (<= (+ |main_~#x~0.offset| 1000) main_~i~1) (<= 0 (+ main_~ret~1 main_~i~1 2147482648)) (<= 3 (+ |main_~#x~0.base| |#StackHeapBarrier|)) (<= main_~ret~1 (+ 2147483647 main_~i~2)) (<= 0 (+ 2147483647 main_~ret2~0 |#StackHeapBarrier|)) (<= |#NULL.base| (+ main_~ret~1 2147483648)) (<= 0 (+ |main_~#x~0.base| main_~ret2~0 2147483646)) (<= |#NULL.base| 0) (or (exists ((v_mapavg_~ret~0_BEFORE_RETURN_3 Int)) (and (or (and (= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 4294967296) main_~ret5~0) (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 4294967296) 2147483647)) (and (< 2147483647 (mod (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 4294967296)) (= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 4294967296) (+ main_~ret5~0 4294967296)))) (or (<= 0 v_mapavg_~ret~0_BEFORE_RETURN_3) (= (mod v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 0)))) (exists ((v_mapavg_~ret~0_BEFORE_RETURN_3 Int)) (and (or (and (< 2147483647 (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 1) 4294967296)) (= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 1) 4294967296) (+ main_~ret5~0 4294967296))) (and (<= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 1) 4294967296) 2147483647) (= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 1) 4294967296) main_~ret5~0))) (< v_mapavg_~ret~0_BEFORE_RETURN_3 0) (not (= (mod v_mapavg_~ret~0_BEFORE_RETURN_3 1000) 0))))) (<= main_~ret2~0 2147483647) (<= 0 (+ |main_~#x~0.offset| main_~ret~1 2147483648)) (<= 0 (+ main_~i~1 main_~ret2~0 2147482648)) (<= main_~ret2~0 (+ |main_~#x~0.offset| 2147483647)) (<= 2 (+ |#NULL.offset| |main_~#x~0.base|)) (<= 0 (+ 2147483647 main_~ret~1 |#StackHeapBarrier|)) (<= 0 (+ |#NULL.offset| main_~i~2)) (<= 1000 main_~i~1) (<= 1001 (+ main_~i~1 |#StackHeapBarrier|)) (<= 0 (+ |main_~#x~0.offset| main_~ret2~0 2147483648)) (<= 0 (+ |#NULL.offset| main_~ret2~0 2147483648)) (<= |#NULL.offset| |main_~#x~0.offset|) (<= 2 (+ |main_~#x~0.base| main_~i~2)) (<= main_~ret2~0 (+ 2147482647 main_~i~1)) (<= |#NULL.offset| |#NULL.base|) (<= main_~ret2~0 (+ 2147483645 |main_~#x~0.base|)) (<= |#NULL.base| |main_~#x~0.offset|) (<= |#NULL.base| (+ main_~ret2~0 2147483648)) (<= (+ main_~ret~1 main_~ret2~0) 4294967294) (<= 0 (+ main_~i~2 main_~ret2~0 2147483648)) (<= 0 (+ |main_~#x~0.offset| |#NULL.base|)) (<= 0 (+ |#NULL.offset| main_~ret~1 2147483648)) (<= 1 (+ |main_~#x~0.offset| |#StackHeapBarrier|)) (<= (+ 2 |#NULL.base|) |main_~#x~0.base|) (<= 0 |#NULL.offset|) (<= main_~ret~1 (+ 4294967295 main_~ret2~0)) (<= 999 main_~i~2) (<= |main_~#x~0.offset| (+ main_~ret~1 2147483648)) (<= (+ |#NULL.offset| 1000) main_~i~1) (<= |main_~#x~0.offset| main_~i~2) (<= main_~ret2~0 (+ main_~ret~1 4294967295)) (<= 1000 (+ main_~i~1 |#NULL.base|)) (<= |#NULL.base| main_~i~2) (<= (+ |#StackHeapBarrier| 1) |main_~#x~0.base|) (<= (+ |#NULL.offset| |#NULL.base|) 0) (<= main_~ret~1 (+ 2147483647 |#NULL.base|)) (<= |main_~#x~0.offset| 0) (<= 0 (+ |main_~#x~0.base| main_~ret~1 2147483646))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-22 17:45:23,873 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...