/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 IntervalDomain -i ../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 06:05:56,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 06:05:56,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 06:05:56,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 06:05:56,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 06:05:56,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 06:05:56,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 06:05:56,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 06:05:56,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 06:05:56,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 06:05:56,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 06:05:56,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 06:05:56,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 06:05:56,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 06:05:56,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 06:05:56,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 06:05:56,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 06:05:56,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 06:05:56,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 06:05:56,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 06:05:56,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 06:05:56,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 06:05:56,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 06:05:56,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 06:05:56,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 06:05:56,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 06:05:56,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 06:05:56,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 06:05:56,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 06:05:56,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 06:05:56,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 06:05:56,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 06:05:56,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 06:05:56,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 06:05:56,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 06:05:56,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 06:05:56,971 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 06:05:56,995 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 06:05:56,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 06:05:56,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 06:05:56,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 06:05:56,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 06:05:56,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 06:05:56,999 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 06:05:56,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 06:05:56,999 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 06:05:56,999 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 06:05:57,000 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 06:05:57,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 06:05:57,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 06:05:57,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 06:05:57,001 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 06:05:57,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 06:05:57,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 06:05:57,001 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 06:05:57,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 06:05:57,002 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 06:05:57,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 06:05:57,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 06:05:57,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 06:05:57,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 06:05:57,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 06:05:57,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 06:05:57,003 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 06:05:57,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 06:05:57,003 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 06:05:57,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 06:05:57,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 06:05:57,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 06:05:57,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:05:57,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 06:05:57,004 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 06:05:57,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 06:05:57,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 06:05:57,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 06:05:57,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 06:05:57,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 06:05:57,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 06:05:57,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 06:05:57,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 06:05:57,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 06:05:57,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 06:05:57,287 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 06:05:57,288 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 06:05:57,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2023-03-31 06:05:58,553 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 06:05:58,787 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 06:05:58,787 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2023-03-31 06:05:58,793 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40791dfd/b9c0e1737c4c4fcb8ebd39adba94bef9/FLAGa147d860d [2023-03-31 06:05:58,803 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f40791dfd/b9c0e1737c4c4fcb8ebd39adba94bef9 [2023-03-31 06:05:58,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 06:05:58,807 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 06:05:58,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 06:05:58,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 06:05:58,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 06:05:58,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:05:58" (1/1) ... [2023-03-31 06:05:58,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd7baab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:58, skipping insertion in model container [2023-03-31 06:05:58,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:05:58" (1/1) ... [2023-03-31 06:05:58,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 06:05:58,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 06:05:59,006 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2023-03-31 06:05:59,027 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] [2023-03-31 06:05:59,030 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] [2023-03-31 06:05:59,038 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] [2023-03-31 06:05:59,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:05:59,053 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 06:05:59,075 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2023-03-31 06:05:59,079 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] [2023-03-31 06:05:59,081 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] [2023-03-31 06:05:59,084 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] [2023-03-31 06:05:59,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:05:59,102 INFO L208 MainTranslator]: Completed translation [2023-03-31 06:05:59,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59 WrapperNode [2023-03-31 06:05:59,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 06:05:59,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 06:05:59,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 06:05:59,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 06:05:59,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,154 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 06:05:59,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 06:05:59,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 06:05:59,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 06:05:59,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:05:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 06:05:59,185 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 06:05:59,186 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 06:05:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 06:05:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 06:05:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 06:05:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 06:05:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 06:05:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 06:05:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 06:05:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 06:05:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 06:05:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 06:05:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 06:05:59,278 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 06:05:59,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 06:05:59,584 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 06:05:59,623 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 06:05:59,623 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 06:05:59,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:05:59 BoogieIcfgContainer [2023-03-31 06:05:59,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 06:05:59,627 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 06:05:59,627 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 06:05:59,627 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 06:05:59,628 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:05:59" (1/1) ... [2023-03-31 06:05:59,628 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ 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 06:05:59,649 INFO L159 IcfgInterpreter]: Started Sifa with 4 locations of interest [2023-03-31 06:05:59,650 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 06:05:59,654 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 06:05:59,660 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 06:05:59,660 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 06:05:59,825 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 50 for LOIs [2023-03-31 06:06:04,944 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 06:06:04,962 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 06:06:04,962 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 06:06:04,964 INFO L158 Benchmark]: Toolchain (without parser) took 6156.32ms. Allocated memory was 181.4MB in the beginning and 481.3MB in the end (delta: 299.9MB). Free memory was 148.8MB in the beginning and 182.4MB in the end (delta: -33.6MB). Peak memory consumption was 267.3MB. Max. memory is 8.0GB. [2023-03-31 06:06:04,964 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:06:04,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.91ms. Allocated memory is still 181.4MB. Free memory was 148.4MB in the beginning and 136.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-31 06:06:04,966 INFO L158 Benchmark]: Boogie Preprocessor took 53.78ms. Allocated memory is still 181.4MB. Free memory was 136.2MB in the beginning and 134.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-31 06:06:04,971 INFO L158 Benchmark]: RCFGBuilder took 467.70ms. Allocated memory is still 181.4MB. Free memory was 134.2MB in the beginning and 117.8MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-03-31 06:06:04,972 INFO L158 Benchmark]: Sifa took 5335.77ms. Allocated memory was 181.4MB in the beginning and 481.3MB in the end (delta: 299.9MB). Free memory was 117.4MB in the beginning and 182.4MB in the end (delta: -65.0MB). Peak memory consumption was 235.8MB. Max. memory is 8.0GB. [2023-03-31 06:06:04,977 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 181.4MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 294.91ms. Allocated memory is still 181.4MB. Free memory was 148.4MB in the beginning and 136.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.78ms. Allocated memory is still 181.4MB. Free memory was 136.2MB in the beginning and 134.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 467.70ms. Allocated memory is still 181.4MB. Free memory was 134.2MB in the beginning and 117.8MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Sifa took 5335.77ms. Allocated memory was 181.4MB in the beginning and 481.3MB in the end (delta: 299.9MB). Free memory was 117.4MB in the beginning and 182.4MB in the end (delta: -65.0MB). Peak memory consumption was 235.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 5.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 13, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 78, TOOLS_POST_TIME: 4.3s, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 63, TOOLS_QUANTIFIERELIM_TIME: 4.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.5s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 105, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME: 0.6s, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 3.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, 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: 514, DAG_COMPRESSION_RETAINED_NODES: 104 - PositiveResult [Line: 171]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - UnprovableResult [Line: 113]: 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 93#(and (= main_~__VERIFIER_assert__cond~2 0) (= main_~main____CPAchecker_TMP_0~0 1) (= ~__tmp_155_0~0 1) (= main_~__tmp_3~0 0) (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0) (<= 0 |main_~#main__array~0.base|) (<= 0 main_~i~0) (= |#NULL.offset| 0) (= main_~main__loop_entered~0 1) (= main_~__VERIFIER_assert__cond~0 1) (<= 0 |#StackHeapBarrier|) (= ~__return_main~0 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 1) (= |#NULL.base| 0) (or (and (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index1~0 4294967296) 4)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index2~0 4294967296) 4))) 4294967296))) (or (and (or (and (or (<= (mod main_~main__index1~0 4294967296) 2147483647) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296)))) (<= (mod main_~main__index2~0 4294967296) 2147483647)) (and (< 2147483647 (mod main_~main__index2~0 4294967296)) (or (<= (mod main_~main__index1~0 4294967296) 2147483647) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index2~0 4294967296) 4))) 4294967296)))))) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index1~0 4294967296) 4)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296)))) (and (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index1~0 4294967296) 4)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296)) (or (and (<= (mod main_~main__index2~0 4294967296) 2147483647) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296))) (< 2147483647 (mod main_~main__index1~0 4294967296))) (and (< 2147483647 (mod main_~main__index2~0 4294967296)) (or (<= (mod main_~main__index1~0 4294967296) 2147483647) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index2~0 4294967296) 4))) 4294967296))))))))) (and (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index1~0 4294967296) 4)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index2~0 4294967296) 4))) 4294967296)) (or (and (or (and (< 2147483647 (mod main_~main__index2~0 4294967296)) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index2~0 4294967296) 4))) 4294967296))) (< 2147483647 (mod main_~main__index1~0 4294967296))) (and (or (<= (mod main_~main__index1~0 4294967296) 2147483647) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296)))) (<= (mod main_~main__index2~0 4294967296) 2147483647))) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index1~0 4294967296) 4)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296)))) (and (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index1~0 4294967296) 4)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296)) (or (and (< 2147483647 (mod main_~main__index2~0 4294967296)) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index2~0 4294967296) 4))) 4294967296))) (< 2147483647 (mod main_~main__index1~0 4294967296))) (and (<= (mod main_~main__index2~0 4294967296) 2147483647) (not (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (- 17179869184) (* (mod main_~main__index1~0 4294967296) 4))) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (* (mod main_~main__index2~0 4294967296) 4)) 4294967296))) (< 2147483647 (mod main_~main__index1~0 4294967296))))))))). Possible FailurePath: - UnprovableResult [Line: 77]: 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 72#(and (= main_~main____CPAchecker_TMP_0~0 1) (= main_~main____CPAchecker_TMP_0~1 0) (= ~__tmp_155_0~0 1) (= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 0) (<= 0 |main_~#main__array~0.base|) (<= 0 main_~i~0) (= |#NULL.offset| 0) (= main_~main__loop_entered~0 1) (= main_~__VERIFIER_assert__cond~0 1) (<= 0 |#StackHeapBarrier|) (= ~__return_main~0 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 1) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 06:06:05,008 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...