/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 EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-fpi/ifeqn1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 23:58:11,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 23:58:11,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 23:58:11,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 23:58:11,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 23:58:11,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 23:58:11,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 23:58:11,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 23:58:11,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 23:58:11,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 23:58:11,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 23:58:11,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 23:58:11,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 23:58:11,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 23:58:11,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 23:58:11,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 23:58:11,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 23:58:11,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 23:58:11,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 23:58:11,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 23:58:11,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 23:58:11,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 23:58:11,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 23:58:11,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 23:58:11,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 23:58:11,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 23:58:11,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 23:58:11,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 23:58:11,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 23:58:11,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 23:58:11,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 23:58:11,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 23:58:11,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 23:58:11,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 23:58:11,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 23:58:11,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 23:58:11,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 23:58:11,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 23:58:11,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 23:58:11,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 23:58:11,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 23:58:11,133 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 23:58:11,147 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 23:58:11,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 23:58:11,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 23:58:11,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 23:58:11,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 23:58:11,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 23:58:11,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 23:58:11,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 23:58:11,153 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 23:58:11,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 23:58:11,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 23:58:11,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 23:58:11,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 23:58:11,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 23:58:11,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 23:58:11,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 23:58:11,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 23:58:11,156 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 23:58:11,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-22 23:58:11,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 23:58:11,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 23:58:11,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 23:58:11,382 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 23:58:11,382 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 23:58:11,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn1.c [2023-03-22 23:58:12,441 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 23:58:12,586 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 23:58:12,587 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn1.c [2023-03-22 23:58:12,591 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3cba88f/26203b85597b4c14a5fd285ea55a5096/FLAGb14130813 [2023-03-22 23:58:12,600 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3cba88f/26203b85597b4c14a5fd285ea55a5096 [2023-03-22 23:58:12,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 23:58:12,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 23:58:12,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 23:58:12,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 23:58:12,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 23:58:12,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afb6ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12, skipping insertion in model container [2023-03-22 23:58:12,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 23:58:12,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 23:58:12,719 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn1.c[589,602] [2023-03-22 23:58:12,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 23:58:12,751 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 23:58:12,760 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn1.c[589,602] [2023-03-22 23:58:12,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 23:58:12,784 INFO L208 MainTranslator]: Completed translation [2023-03-22 23:58:12,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12 WrapperNode [2023-03-22 23:58:12,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 23:58:12,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 23:58:12,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 23:58:12,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 23:58:12,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 23:58:12,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 23:58:12,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 23:58:12,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 23:58:12,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 11:58:12" (1/1) ... [2023-03-22 23:58:12,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 23:58:12,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 23:58:12,848 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 23:58:12,867 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 23:58:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 23:58:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 23:58:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 23:58:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-22 23:58:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-22 23:58:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 23:58:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 23:58:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 23:58:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 23:58:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 23:58:12,950 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 23:58:12,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 23:58:13,135 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 23:58:13,139 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 23:58:13,139 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-22 23:58:13,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 11:58:13 BoogieIcfgContainer [2023-03-22 23:58:13,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 23:58:13,141 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 23:58:13,141 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 23:58:13,141 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 23:58:13,142 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 11:58:13" (1/1) ... [2023-03-22 23:58:13,142 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=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 23:58:13,203 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 23:58:13,203 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 23:58:13,206 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 23:58:13,210 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 23:58:13,211 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 23:58:13,390 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 46 for LOIs [2023-03-22 23:58:14,832 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2023-03-22 23:58:14,846 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 23:58:14,856 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 23:58:14,857 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 23:58:14,858 INFO L158 Benchmark]: Toolchain (without parser) took 2254.80ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 169.0MB in the beginning and 367.5MB in the end (delta: -198.5MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. [2023-03-22 23:58:14,858 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 218.1MB. Free memory is still 164.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 23:58:14,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.72ms. Allocated memory is still 218.1MB. Free memory was 168.7MB in the beginning and 158.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-22 23:58:14,859 INFO L158 Benchmark]: Boogie Preprocessor took 36.40ms. Allocated memory is still 218.1MB. Free memory was 158.1MB in the beginning and 156.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-22 23:58:14,863 INFO L158 Benchmark]: RCFGBuilder took 318.32ms. Allocated memory is still 218.1MB. Free memory was 156.1MB in the beginning and 143.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-22 23:58:14,863 INFO L158 Benchmark]: Sifa took 1715.81ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 143.4MB in the beginning and 367.5MB in the end (delta: -224.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 23:58:14,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 218.1MB. Free memory is still 164.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 180.72ms. Allocated memory is still 218.1MB. Free memory was 168.7MB in the beginning and 158.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.40ms. Allocated memory is still 218.1MB. Free memory was 158.1MB in the beginning and 156.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 318.32ms. Allocated memory is still 218.1MB. Free memory was 156.1MB in the beginning and 143.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Sifa took 1715.81ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 143.4MB in the beginning and 367.5MB in the end (delta: -224.1MB). 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: 1.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 55, TOOLS_POST_TIME: 0.4s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 65, TOOLS_QUANTIFIERELIM_TIME: 0.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 83, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME: 0.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 0.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, 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: 143, DAG_COMPRESSION_RETAINED_NODES: 67 - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 82#(and (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (exists ((|v_main_#t~mem13_BEFORE_CALL_3| Int) (v_main_~b~0.base_BEFORE_CALL_3 Int) (v_main_~i~0_BEFORE_CALL_3 Int) (v_main_~b~0.offset_BEFORE_CALL_3 Int)) (and (not (= (+ v_main_~i~0_BEFORE_CALL_3 (* v_main_~i~0_BEFORE_CALL_3 v_main_~i~0_BEFORE_CALL_3) 1) |v_main_#t~mem13_BEFORE_CALL_3|)) (< v_main_~i~0_BEFORE_CALL_3 ~N~0) (or (and (< 2147483647 (mod v_main_~i~0_BEFORE_CALL_3 4294967296)) (= (select (select |#memory_int| v_main_~b~0.base_BEFORE_CALL_3) (+ v_main_~b~0.offset_BEFORE_CALL_3 (* (mod v_main_~i~0_BEFORE_CALL_3 4294967296) 8) (- 34359738368))) |v_main_#t~mem13_BEFORE_CALL_3|)) (and (<= (mod v_main_~i~0_BEFORE_CALL_3 4294967296) 2147483647) (= (select (select |#memory_int| v_main_~b~0.base_BEFORE_CALL_3) (+ v_main_~b~0.offset_BEFORE_CALL_3 (* (mod v_main_~i~0_BEFORE_CALL_3 4294967296) 8))) |v_main_#t~mem13_BEFORE_CALL_3|)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-22 23:58:14,895 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...