/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/float-benchs/cast_union_tight.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 19:32:42,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 19:32:42,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 19:32:42,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 19:32:42,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 19:32:42,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 19:32:42,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 19:32:42,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 19:32:42,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 19:32:42,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 19:32:42,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 19:32:42,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 19:32:42,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 19:32:42,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 19:32:42,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 19:32:42,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 19:32:42,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 19:32:42,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 19:32:42,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 19:32:42,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 19:32:42,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 19:32:42,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 19:32:42,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 19:32:42,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 19:32:42,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 19:32:42,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 19:32:42,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 19:32:42,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 19:32:42,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 19:32:42,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 19:32:42,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 19:32:42,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 19:32:42,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 19:32:42,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 19:32:42,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 19:32:42,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 19:32:42,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 19:32:42,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 19:32:42,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 19:32:42,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 19:32:42,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 19:32:42,400 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 19:32:42,416 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 19:32:42,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 19:32:42,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 19:32:42,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 19:32:42,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 19:32:42,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 19:32:42,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 19:32:42,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 19:32:42,418 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 19:32:42,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 19:32:42,419 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 19:32:42,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 19:32:42,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 19:32:42,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 19:32:42,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 19:32:42,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 19:32:42,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 19:32:42,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 19:32:42,422 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 19:32:42,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 19:32:42,422 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 19:32:42,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-22 19:32:42,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 19:32:42,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 19:32:42,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 19:32:42,637 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 19:32:42,637 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 19:32:42,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_union_tight.c [2023-03-22 19:32:43,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 19:32:43,919 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 19:32:43,920 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_union_tight.c [2023-03-22 19:32:43,924 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3b27b34/a8003e1762444aa0a223ab2c24c71174/FLAG3b04a11ee [2023-03-22 19:32:43,934 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3b27b34/a8003e1762444aa0a223ab2c24c71174 [2023-03-22 19:32:43,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 19:32:43,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 19:32:43,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 19:32:43,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 19:32:43,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 19:32:43,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 07:32:43" (1/1) ... [2023-03-22 19:32:43,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd837cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:43, skipping insertion in model container [2023-03-22 19:32:43,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 07:32:43" (1/1) ... [2023-03-22 19:32:43,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 19:32:43,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 19:32:44,076 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/float-benchs/cast_union_tight.c[495,508] [2023-03-22 19:32:44,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 19:32:44,102 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 19:32:44,112 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/float-benchs/cast_union_tight.c[495,508] [2023-03-22 19:32:44,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 19:32:44,134 INFO L208 MainTranslator]: Completed translation [2023-03-22 19:32:44,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44 WrapperNode [2023-03-22 19:32:44,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 19:32:44,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 19:32:44,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 19:32:44,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 19:32:44,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,156 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 19:32:44,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 19:32:44,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 19:32:44,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 19:32:44,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 19:32:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 19:32:44,189 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 19:32:44,194 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 19:32:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 19:32:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 19:32:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 19:32:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-22 19:32:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2023-03-22 19:32:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 19:32:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 19:32:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 19:32:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 19:32:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 19:32:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-22 19:32:44,274 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 19:32:44,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 19:32:44,371 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 19:32:44,375 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 19:32:44,375 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-22 19:32:44,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 07:32:44 BoogieIcfgContainer [2023-03-22 19:32:44,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 19:32:44,379 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 19:32:44,379 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 19:32:44,379 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 19:32:44,380 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 07:32:44" (1/1) ... [2023-03-22 19:32:44,380 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 19:32:44,404 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 19:32:44,407 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 19:32:44,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 19:32:44,416 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 19:32:44,417 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 19:32:44,547 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 45 for LOIs [2023-03-22 19:32:44,784 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2023-03-22 19:32:45,889 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 236 for LOIs [2023-03-22 19:32:46,215 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 19:32:46,240 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 19:32:46,240 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 19:32:46,241 INFO L158 Benchmark]: Toolchain (without parser) took 2304.26ms. Allocated memory was 282.1MB in the beginning and 346.0MB in the end (delta: 64.0MB). Free memory was 236.5MB in the beginning and 307.5MB in the end (delta: -71.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 19:32:46,242 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 19:32:46,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.75ms. Allocated memory is still 282.1MB. Free memory was 236.0MB in the beginning and 226.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-03-22 19:32:46,243 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 282.1MB. Free memory was 226.0MB in the beginning and 224.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-22 19:32:46,244 INFO L158 Benchmark]: RCFGBuilder took 219.30ms. Allocated memory is still 282.1MB. Free memory was 224.4MB in the beginning and 211.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-22 19:32:46,246 INFO L158 Benchmark]: Sifa took 1861.19ms. Allocated memory was 282.1MB in the beginning and 346.0MB in the end (delta: 64.0MB). Free memory was 211.3MB in the beginning and 307.5MB in the end (delta: -96.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 19:32:46,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 194.75ms. Allocated memory is still 282.1MB. Free memory was 236.0MB in the beginning and 226.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 282.1MB. Free memory was 226.0MB in the beginning and 224.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 219.30ms. Allocated memory is still 282.1MB. Free memory was 224.4MB in the beginning and 211.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Sifa took 1861.19ms. Allocated memory was 282.1MB in the beginning and 346.0MB in the end (delta: 64.0MB). Free memory was 211.3MB in the beginning and 307.5MB in the end (delta: -96.2MB). 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: 1.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 3, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME: 1.1s, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 22, TOOLS_QUANTIFIERELIM_TIME: 1.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 23, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.9s, 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: 57, DAG_COMPRESSION_RETAINED_NODES: 39 - UnprovableResult [Line: 9]: 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 27#(and (exists ((|v_cast_~#y~0.offset_4| Int) (|v_#valid_13| (Array Int Int)) (|v_cast_~#y~0.base_4| Int) (|v_#memory_real_14| (Array Int (Array Int Real))) (v_main_~a~0_BEFORE_CALL_2 Int) (|v_#memory_int_13| (Array Int (Array Int Int))) (|v_cast_~#x~0.base_4| Int) (v_cast_~i_BEFORE_RETURN_1 Int) (|v_cast_#t~mem5_8| Int) (|v_cast_#t~nondet6_7| Int) (|v_cast_~#x~0.offset_4| Int)) (and (<= v_main_~a~0_BEFORE_CALL_2 2147483647) (= |#memory_int| (store |v_#memory_int_13| |v_cast_~#y~0.base_4| (store (select |v_#memory_int_13| |v_cast_~#y~0.base_4|) (+ |v_cast_~#y~0.offset_4| 4) |v_cast_#t~nondet6_7|))) (or (and (<= |v_cast_~#x~0.offset_4| |v_cast_~#y~0.offset_4|) (<= |v_cast_#t~nondet6_7| (+ v_cast_~i_BEFORE_RETURN_1 4294967295)) (<= (+ |v_cast_~#y~0.offset_4| 1) |#StackHeapBarrier|) (<= 0 (+ |v_cast_~#x~0.offset_4| v_cast_~i_BEFORE_RETURN_1 2147483648)) (<= 2 |v_cast_~#x~0.base_4|) (<= v_main_~a~0_BEFORE_CALL_2 (+ 2147483645 |v_cast_~#x~0.base_4|)) (<= 1 |#StackHeapBarrier|) (<= v_main_~a~0_BEFORE_CALL_2 v_cast_~i_BEFORE_RETURN_1) (<= (+ |v_cast_~#x~0.offset_4| |v_cast_~#y~0.offset_4|) 0) (<= |v_cast_~#y~0.offset_4| (+ |v_cast_#t~nondet6_7| 2147483648)) (<= (+ |v_cast_~#y~0.offset_4| |v_cast_#t~nondet6_7|) 2147483647) (<= 0 (+ |v_cast_#t~nondet6_7| v_main_~a~0_BEFORE_CALL_2 4294967296)) (<= v_cast_~i_BEFORE_RETURN_1 v_main_~a~0_BEFORE_CALL_2) (<= 3 (+ |v_cast_~#y~0.base_4| |#StackHeapBarrier|)) (<= 0 (+ |v_cast_~#y~0.offset_4| v_cast_~i_BEFORE_RETURN_1 2147483648)) (<= v_main_~a~0_BEFORE_CALL_2 (+ 2147483645 |v_cast_~#y~0.base_4|)) (<= (+ |v_cast_~#x~0.offset_4| v_cast_~i_BEFORE_RETURN_1) 2147483647) (<= v_main_~a~0_BEFORE_CALL_2 (+ |v_cast_~#y~0.offset_4| 2147483647)) (<= 0 (+ v_cast_~i_BEFORE_RETURN_1 2147483648)) (<= |v_cast_~#y~0.offset_4| 0) (<= 2 (+ |v_cast_~#y~0.offset_4| |v_cast_~#y~0.base_4|)) (<= |v_cast_#t~nondet6_7| (+ 2147483645 |v_cast_~#x~0.base_4|)) (<= |v_cast_#t~nondet6_7| (+ |v_cast_~#x~0.offset_4| 2147483647)) (<= |v_cast_~#x~0.offset_4| (+ |v_cast_#t~nondet6_7| 2147483648)) (<= (+ |#StackHeapBarrier| 1) |v_cast_~#y~0.base_4|) (<= v_cast_~i_BEFORE_RETURN_1 (+ |#StackHeapBarrier| 2147483646)) (<= 0 |v_cast_~#y~0.offset_4|) (<= (+ |v_cast_~#y~0.offset_4| v_main_~a~0_BEFORE_CALL_2) 2147483647) (<= 0 (+ 2147483647 v_cast_~i_BEFORE_RETURN_1 |#StackHeapBarrier|)) (<= |v_cast_#t~nondet6_7| (+ 2147483645 |v_cast_~#y~0.base_4|)) (<= (+ |v_cast_~#y~0.offset_4| 2) |v_cast_~#x~0.base_4|) (<= (+ |v_cast_~#x~0.offset_4| |v_cast_#t~nondet6_7|) 2147483647) (<= |v_cast_#t~nondet6_7| (+ |#StackHeapBarrier| 2147483646)) (<= v_cast_~i_BEFORE_RETURN_1 (+ |v_cast_~#y~0.offset_4| 2147483647)) (<= (+ |v_cast_~#y~0.offset_4| 2) |v_cast_~#y~0.base_4|) (<= (+ |#StackHeapBarrier| 1) |v_cast_~#x~0.base_4|) (<= 0 (+ |v_cast_~#x~0.offset_4| |v_cast_#t~nondet6_7| 2147483648)) (<= (+ v_cast_~i_BEFORE_RETURN_1 v_main_~a~0_BEFORE_CALL_2) 4294967294) (<= |v_cast_~#y~0.offset_4| (+ v_main_~a~0_BEFORE_CALL_2 2147483648)) (<= (+ |v_cast_~#x~0.offset_4| v_main_~a~0_BEFORE_CALL_2) 2147483647) (<= v_cast_~i_BEFORE_RETURN_1 (+ |v_cast_#t~nondet6_7| 4294967295)) (<= (+ |v_cast_~#y~0.offset_4| v_cast_~i_BEFORE_RETURN_1) 2147483647) (<= 0 (+ |v_cast_~#y~0.offset_4| v_main_~a~0_BEFORE_CALL_2 2147483648)) (<= 2 (+ |v_cast_~#y~0.offset_4| |v_cast_~#x~0.base_4|)) (<= 1 (+ |v_cast_~#x~0.offset_4| |#StackHeapBarrier|)) (<= 0 (+ |v_cast_~#y~0.offset_4| |v_cast_#t~nondet6_7| 2147483648)) (<= 0 (+ 2147483647 |#StackHeapBarrier| v_main_~a~0_BEFORE_CALL_2)) (<= |v_cast_~#y~0.offset_4| (+ v_cast_~i_BEFORE_RETURN_1 2147483648)) (<= |v_cast_~#x~0.offset_4| (+ v_main_~a~0_BEFORE_CALL_2 2147483648)) (<= v_main_~a~0_BEFORE_CALL_2 (+ |v_cast_~#x~0.offset_4| 2147483647)) (<= 2 |v_cast_~#y~0.base_4|) (<= (+ |v_cast_~#x~0.offset_4| 2) |v_cast_~#y~0.base_4|) (<= 0 (+ |v_cast_~#x~0.base_4| v_main_~a~0_BEFORE_CALL_2 2147483646)) (<= 0 (+ |v_cast_~#x~0.offset_4| v_main_~a~0_BEFORE_CALL_2 2147483648)) (<= 0 (+ |v_cast_#t~nondet6_7| 2147483647 |#StackHeapBarrier|)) (<= 4 (+ |v_cast_~#y~0.base_4| |v_cast_~#x~0.base_4|)) (<= 0 (+ |v_cast_~#x~0.offset_4| |v_cast_~#y~0.offset_4|)) (<= v_main_~a~0_BEFORE_CALL_2 (+ |v_cast_#t~nondet6_7| 4294967295)) (<= |v_cast_~#y~0.offset_4| |v_cast_~#x~0.offset_4|) (<= v_cast_~i_BEFORE_RETURN_1 (+ 2147483645 |v_cast_~#y~0.base_4|)) (<= 1 (+ |v_cast_~#y~0.offset_4| |#StackHeapBarrier|)) (<= (+ |v_cast_#t~nondet6_7| v_cast_~i_BEFORE_RETURN_1) 4294967294) (<= 0 (+ |v_cast_~#y~0.base_4| v_main_~a~0_BEFORE_CALL_2 2147483646)) (<= (+ |v_cast_#t~nondet6_7| v_main_~a~0_BEFORE_CALL_2) 4294967294) (<= 0 (+ |v_cast_~#y~0.base_4| v_cast_~i_BEFORE_RETURN_1 2147483646)) (<= |v_cast_~#x~0.offset_4| (+ v_cast_~i_BEFORE_RETURN_1 2147483648)) (<= v_cast_~i_BEFORE_RETURN_1 (+ |v_cast_~#x~0.offset_4| 2147483647)) (<= |v_cast_#t~nondet6_7| (+ |v_cast_~#y~0.offset_4| 2147483647)) (<= (+ |v_cast_~#x~0.offset_4| 2) |v_cast_~#x~0.base_4|) (<= 0 |v_cast_~#x~0.offset_4|) (<= |v_cast_~#x~0.offset_4| 0) (<= 0 (+ |v_cast_#t~nondet6_7| |v_cast_~#y~0.base_4| 2147483646)) (<= 3 (+ |v_cast_~#x~0.base_4| |#StackHeapBarrier|)) (<= |v_cast_#t~nondet6_7| (+ 4294967295 v_main_~a~0_BEFORE_CALL_2)) (<= 0 (+ |v_cast_#t~nondet6_7| 2147483648)) (<= v_cast_~i_BEFORE_RETURN_1 (+ 2147483645 |v_cast_~#x~0.base_4|)) (<= 0 (+ |v_cast_#t~nondet6_7| v_cast_~i_BEFORE_RETURN_1 4294967296)) (<= 0 (+ v_cast_~i_BEFORE_RETURN_1 |v_cast_~#x~0.base_4| 2147483646)) (<= |v_cast_#t~nondet6_7| 2147483647) (<= 0 (+ |v_cast_#t~nondet6_7| |v_cast_~#x~0.base_4| 2147483646)) (<= 0 (+ v_cast_~i_BEFORE_RETURN_1 v_main_~a~0_BEFORE_CALL_2 4294967296)) (<= 2 (+ |v_cast_~#x~0.offset_4| |v_cast_~#x~0.base_4|)) (<= v_main_~a~0_BEFORE_CALL_2 (+ |#StackHeapBarrier| 2147483646)) (<= v_cast_~i_BEFORE_RETURN_1 2147483647) (<= 2 (+ |v_cast_~#x~0.offset_4| |v_cast_~#y~0.base_4|)) (<= (+ |v_cast_~#x~0.offset_4| 1) |#StackHeapBarrier|)) (and (<= |v_cast_#t~nondet6_7| |v_cast_#t~mem5_8|) (<= 0 v_cast_~i_BEFORE_RETURN_1) (<= 1 |#StackHeapBarrier|) (<= 1 |v_cast_~#y~0.base_4|) (<= 1 |v_cast_~#x~0.base_4|) (<= v_cast_~i_BEFORE_RETURN_1 0) (<= |v_cast_~#y~0.offset_4| 0) (<= (+ |#StackHeapBarrier| 1) |v_cast_~#y~0.base_4|) (<= 0 |v_cast_~#y~0.offset_4|) (<= 0 v_main_~a~0_BEFORE_CALL_2) (<= (+ |#StackHeapBarrier| 1) |v_cast_~#x~0.base_4|) (<= 0 |v_cast_~#x~0.offset_4|) (<= |v_cast_~#x~0.offset_4| 0) (<= |v_cast_#t~mem5_8| |v_cast_#t~nondet6_7|) (<= v_main_~a~0_BEFORE_CALL_2 0))) (<= 0 (+ v_main_~a~0_BEFORE_CALL_2 2147483648)) (= (store (store |v_#valid_13| |v_cast_~#x~0.base_4| 0) |v_cast_~#y~0.base_4| 0) |#valid|) (= |#memory_real| (store |v_#memory_real_14| |v_cast_~#y~0.base_4| (store (select |v_#memory_real_14| |v_cast_~#y~0.base_4|) (+ |v_cast_~#y~0.offset_4| 4) (select (select |#memory_real| |v_cast_~#y~0.base_4|) (+ |v_cast_~#y~0.offset_4| 4))))))) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (exists ((|v_old(#length)_BEFORE_CALL_2| (Array Int Int))) (and (= 2 (select |v_old(#length)_BEFORE_CALL_2| 1)) (= (select |v_old(#length)_BEFORE_CALL_2| 3) 12) (= 19 (select |v_old(#length)_BEFORE_CALL_2| 2)))) (exists ((|v_old(#valid)_BEFORE_CALL_2| (Array Int Int))) (and (= (select |v_old(#valid)_BEFORE_CALL_2| 0) 0) (= (select |v_old(#valid)_BEFORE_CALL_2| 2) 1) (= (select |v_old(#valid)_BEFORE_CALL_2| 3) 1) (= (select |v_old(#valid)_BEFORE_CALL_2| 1) 1))) (= |#NULL.offset| 0) (exists ((|v_old(#memory_int)_BEFORE_CALL_2| (Array Int (Array Int Int)))) (and (= (select (select |v_old(#memory_int)_BEFORE_CALL_2| 1) 1) 0) (= 48 (select (select |v_old(#memory_int)_BEFORE_CALL_2| 1) 0)))) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-22 19:32:46,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...