/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/reducercommutativity/max.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 14:46:35,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 14:46:35,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 14:46:35,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 14:46:35,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 14:46:35,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 14:46:35,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 14:46:35,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 14:46:35,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 14:46:35,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 14:46:35,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 14:46:35,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 14:46:35,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 14:46:35,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 14:46:35,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 14:46:35,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 14:46:35,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 14:46:35,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 14:46:35,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 14:46:35,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 14:46:35,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 14:46:35,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 14:46:35,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 14:46:35,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 14:46:35,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 14:46:35,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 14:46:35,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 14:46:35,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 14:46:35,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 14:46:35,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 14:46:35,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 14:46:35,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 14:46:35,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 14:46:35,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 14:46:35,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 14:46:35,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 14:46:35,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 14:46:35,630 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 14:46:35,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 14:46:35,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 14:46:35,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 14:46:35,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 14:46:35,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 14:46:35,632 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 14:46:35,632 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 14:46:35,632 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 14:46:35,632 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 14:46:35,633 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 14:46:35,633 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 14:46:35,633 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 14:46:35,633 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 14:46:35,633 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 14:46:35,633 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 14:46:35,634 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 14:46:35,634 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 14:46:35,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 14:46:35,635 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 14:46:35,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 14:46:35,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 14:46:35,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 14:46:35,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 14:46:35,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 14:46:35,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 14:46:35,636 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 14:46:35,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 14:46:35,636 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 14:46:35,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 14:46:35,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 14:46:35,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 14:46:35,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 14:46:35,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 14:46:35,637 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 14:46:35,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 14:46:35,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 14:46:35,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 14:46:35,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 14:46:35,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 14:46:35,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 14:46:35,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-31 14:46:35,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 14:46:35,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 14:46:35,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 14:46:35,868 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 14:46:35,869 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 14:46:35,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max.i [2023-03-31 14:46:37,034 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 14:46:37,215 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 14:46:37,215 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max.i [2023-03-31 14:46:37,220 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9bf9c68/e6840452e3bd4ac0928d0bb9581df638/FLAGf8373b2a2 [2023-03-31 14:46:37,230 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9bf9c68/e6840452e3bd4ac0928d0bb9581df638 [2023-03-31 14:46:37,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 14:46:37,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 14:46:37,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 14:46:37,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 14:46:37,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 14:46:37,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd64996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37, skipping insertion in model container [2023-03-31 14:46:37,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 14:46:37,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 14:46:37,379 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/reducercommutativity/max.i[1295,1308] [2023-03-31 14:46:37,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 14:46:37,390 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 14:46:37,406 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/reducercommutativity/max.i[1295,1308] [2023-03-31 14:46:37,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 14:46:37,417 INFO L208 MainTranslator]: Completed translation [2023-03-31 14:46:37,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37 WrapperNode [2023-03-31 14:46:37,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 14:46:37,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 14:46:37,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 14:46:37,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 14:46:37,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,446 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 14:46:37,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 14:46:37,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 14:46:37,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 14:46:37,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 14:46:37,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 14:46:37,491 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) [2023-03-31 14:46:37,519 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 [2023-03-31 14:46:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 14:46:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 14:46:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 14:46:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2023-03-31 14:46:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 14:46:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 14:46:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 14:46:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 14:46:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 14:46:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 14:46:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 14:46:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure max [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 14:46:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 14:46:37,620 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 14:46:37,622 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 14:46:37,799 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 14:46:37,921 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 14:46:37,921 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-31 14:46:37,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:46:37 BoogieIcfgContainer [2023-03-31 14:46:37,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 14:46:37,924 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 14:46:37,924 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 14:46:37,925 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 14:46:37,926 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:46:37" (1/1) ... [2023-03-31 14:46:37,926 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 14:46:37,986 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 14:46:37,987 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 14:46:37,993 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 14:46:37,998 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 14:46:37,999 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 14:46:38,166 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 61 for LOIs [2023-03-31 14:46:39,650 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 14:46:39,665 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 14:46:39,665 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 14:46:39,667 INFO L158 Benchmark]: Toolchain (without parser) took 2432.73ms. Allocated memory was 291.5MB in the beginning and 350.2MB in the end (delta: 58.7MB). Free memory was 239.8MB in the beginning and 204.2MB in the end (delta: 35.5MB). Peak memory consumption was 95.2MB. Max. memory is 8.0GB. [2023-03-31 14:46:39,667 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 14:46:39,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.88ms. Allocated memory is still 291.5MB. Free memory was 239.3MB in the beginning and 228.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-31 14:46:39,669 INFO L158 Benchmark]: Boogie Preprocessor took 30.22ms. Allocated memory is still 291.5MB. Free memory was 228.8MB in the beginning and 227.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 14:46:39,673 INFO L158 Benchmark]: RCFGBuilder took 474.02ms. Allocated memory is still 291.5MB. Free memory was 227.2MB in the beginning and 211.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-03-31 14:46:39,674 INFO L158 Benchmark]: Sifa took 1741.00ms. Allocated memory was 291.5MB in the beginning and 350.2MB in the end (delta: 58.7MB). Free memory was 211.5MB in the beginning and 204.2MB in the end (delta: 7.2MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. [2023-03-31 14:46:39,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 182.88ms. Allocated memory is still 291.5MB. Free memory was 239.3MB in the beginning and 228.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.22ms. Allocated memory is still 291.5MB. Free memory was 228.8MB in the beginning and 227.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 474.02ms. Allocated memory is still 291.5MB. Free memory was 227.2MB in the beginning and 211.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Sifa took 1741.00ms. Allocated memory was 291.5MB in the beginning and 350.2MB in the end (delta: 58.7MB). Free memory was 211.5MB in the beginning and 204.2MB in the end (delta: 7.2MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 1.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME: 1.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 48, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME: 0.4s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 0.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, 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: 75, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 50]: 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 38#(and (not (= (select |old(#memory_int)| 1) |old(#length)|)) (<= ~N~0 (+ main_~i~1 1)) (= (select (select |old(#memory_int)| 2) 4) 99) (= 97 (select (select |old(#memory_int)| 2) 1)) (not (= (select |old(#memory_int)| 1) |old(#valid)|)) (= (select |old(#valid)| 1) 1) (<= main_~ret5~0 2147483647) (= (select |old(#length)| 1) 2) (= 6 (select |old(#length)| 2)) (= (select |old(#valid)| 0) 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (or (not (= main_~ret~1 main_~ret5~0)) (not (= main_~ret~1 main_~ret2~0))) (not (= |main_~#x~0.base| 1)) (not (= ~N~0 1)) (not (= |old(#length)| (select |old(#memory_int)| 2))) (= (select (select |old(#memory_int)| 2) 3) 46) (not (= |main_~#x~0.base| 0)) (not (= |main_~#x~0.base| 2)) (not (= |main_~#x~0.base| |#StackHeapBarrier|)) (not (= |old(#valid)| |old(#length)|)) (<= 0 (+ main_~ret5~0 2147483648)) (not (= (select |old(#memory_int)| 1) (select |old(#memory_int)| 2))) (not (= |#StackHeapBarrier| 0)) (= (select (select |old(#memory_int)| 2) 2) 120) (= (select (select |old(#memory_int)| 1) 0) 48) (exists ((v_max_~x.base_BEFORE_RETURN_3 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int) (v_max_~x.offset_BEFORE_RETURN_3 Int)) (and (or (and (= (+ main_~ret5~0 4294967296) (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296)) (< 2147483647 (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296))) (and (= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) main_~ret5~0) (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647))) (or (and (= v_max_~ret~0_BEFORE_RETURN_3 0) (= v_max_~x.base_BEFORE_RETURN_3 |main_~#x~0.base|) (= v_max_~x.offset_BEFORE_RETURN_3 0)) (and (= v_max_~x.base_BEFORE_RETURN_3 |main_~#x~0.base|) (= v_max_~x.offset_BEFORE_RETURN_3 0))))) (= |main_~#x~0.offset| 0) (= |old(~N~0)| 0) (exists ((|v_#memory_int_36| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_36| |main_~#x~0.base| (store (select |v_#memory_int_36| |main_~#x~0.base|) (+ (* ~N~0 4) (- 4)) main_~temp~0)))) (= |#NULL.offset| 0) (= (select (select |old(#memory_int)| 1) 1) 0) (= (select (select |old(#memory_int)| 2) 5) 0) (= (select |old(#valid)| 2) 1) (not (= |old(#valid)| (select |old(#memory_int)| 2))) (= 109 (select (select |old(#memory_int)| 2) 0)) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 14:46:39,701 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...