/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/nla-digbench/geo2-ll.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 19:53:13,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 19:53:13,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 19:53:13,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 19:53:13,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 19:53:13,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 19:53:13,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 19:53:13,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 19:53:13,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 19:53:13,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 19:53:13,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 19:53:13,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 19:53:13,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 19:53:13,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 19:53:13,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 19:53:13,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 19:53:13,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 19:53:13,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 19:53:13,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 19:53:13,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 19:53:13,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 19:53:13,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 19:53:13,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 19:53:13,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 19:53:13,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 19:53:13,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 19:53:13,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 19:53:13,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 19:53:13,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 19:53:13,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 19:53:13,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 19:53:13,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 19:53:13,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 19:53:13,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 19:53:13,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 19:53:13,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 19:53:13,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 19:53:13,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 19:53:13,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 19:53:13,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 19:53:13,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 19:53:13,763 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 19:53:13,796 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 19:53:13,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 19:53:13,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 19:53:13,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 19:53:13,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 19:53:13,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 19:53:13,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 19:53:13,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 19:53:13,799 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 19:53:13,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 19:53:13,799 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-22 19:53:13,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 19:53:13,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-22 19:53:13,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 19:53:13,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 19:53:13,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 19:53:13,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 19:53:13,801 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-22 19:53:13,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 19:53:13,801 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 19:53:13,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 19:53:13,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 19:53:13,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 19:53:13,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 19:53:13,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 19:53:13,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 19:53:13,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 19:53:13,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 19:53:13,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 19:53:13,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 19:53:13,803 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 19:53:13,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 19:53:13,803 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 19:53:13,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 19:53:13,803 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 19:53:13,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-22 19:53:14,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 19:53:14,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 19:53:14,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 19:53:14,037 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 19:53:14,038 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 19:53:14,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/geo2-ll.c [2023-03-22 19:53:15,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 19:53:15,405 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 19:53:15,406 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/geo2-ll.c [2023-03-22 19:53:15,412 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420d547a0/9d3e7a3289f743dcbc87e2d6583be7e0/FLAG35584551b [2023-03-22 19:53:15,428 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420d547a0/9d3e7a3289f743dcbc87e2d6583be7e0 [2023-03-22 19:53:15,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 19:53:15,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 19:53:15,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 19:53:15,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 19:53:15,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 19:53:15,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8809fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15, skipping insertion in model container [2023-03-22 19:53:15,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 19:53:15,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 19:53:15,616 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/nla-digbench/geo2-ll.c[525,538] [2023-03-22 19:53:15,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 19:53:15,644 INFO L203 MainTranslator]: Completed pre-run [2023-03-22 19:53:15,653 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/nla-digbench/geo2-ll.c[525,538] [2023-03-22 19:53:15,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 19:53:15,668 INFO L208 MainTranslator]: Completed translation [2023-03-22 19:53:15,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15 WrapperNode [2023-03-22 19:53:15,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-22 19:53:15,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-22 19:53:15,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-22 19:53:15,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-22 19:53:15,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-22 19:53:15,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-22 19:53:15,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-22 19:53:15,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-22 19:53:15,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 19:53:15,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-22 19:53:15,731 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 19:53:15,746 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 19:53:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-22 19:53:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-22 19:53:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-22 19:53:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-22 19:53:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-22 19:53:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-22 19:53:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-22 19:53:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-22 19:53:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-22 19:53:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-22 19:53:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-22 19:53:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-22 19:53:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-22 19:53:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-22 19:53:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-22 19:53:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-22 19:53:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-22 19:53:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-22 19:53:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-22 19:53:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-22 19:53:15,836 INFO L236 CfgBuilder]: Building ICFG [2023-03-22 19:53:15,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-22 19:53:15,960 INFO L277 CfgBuilder]: Performing block encoding [2023-03-22 19:53:15,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-22 19:53:15,971 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-22 19:53:15,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 07:53:15 BoogieIcfgContainer [2023-03-22 19:53:15,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-22 19:53:15,973 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-22 19:53:15,973 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-22 19:53:15,973 INFO L275 PluginConnector]: Sifa initialized [2023-03-22 19:53:15,974 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.03 07:53:15" (1/1) ... [2023-03-22 19:53:15,975 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 19:53:16,004 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-22 19:53:16,004 INFO L166 IcfgInterpreter]: Building call graph [2023-03-22 19:53:16,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-22 19:53:16,013 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-22 19:53:16,014 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-22 19:53:16,185 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-22 19:53:21,506 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2023-03-22 19:53:21,515 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-22 19:53:21,529 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-22 19:53:21,529 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-22 19:53:21,530 INFO L158 Benchmark]: Toolchain (without parser) took 6094.90ms. Allocated memory was 177.2MB in the beginning and 216.0MB in the end (delta: 38.8MB). Free memory was 129.4MB in the beginning and 81.7MB in the end (delta: 47.7MB). Peak memory consumption was 88.0MB. Max. memory is 8.0GB. [2023-03-22 19:53:21,531 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-22 19:53:21,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.10ms. Allocated memory is still 177.2MB. Free memory was 129.1MB in the beginning and 119.1MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-03-22 19:53:21,532 INFO L158 Benchmark]: Boogie Preprocessor took 33.69ms. Allocated memory is still 177.2MB. Free memory was 119.1MB in the beginning and 117.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-22 19:53:21,536 INFO L158 Benchmark]: RCFGBuilder took 268.96ms. Allocated memory is still 177.2MB. Free memory was 117.4MB in the beginning and 106.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-22 19:53:21,536 INFO L158 Benchmark]: Sifa took 5555.83ms. Allocated memory was 177.2MB in the beginning and 216.0MB in the end (delta: 38.8MB). Free memory was 106.9MB in the beginning and 81.7MB in the end (delta: 25.2MB). Peak memory consumption was 64.9MB. Max. memory is 8.0GB. [2023-03-22 19:53:21,541 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 177.2MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 231.10ms. Allocated memory is still 177.2MB. Free memory was 129.1MB in the beginning and 119.1MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.69ms. Allocated memory is still 177.2MB. Free memory was 119.1MB in the beginning and 117.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 268.96ms. Allocated memory is still 177.2MB. Free memory was 117.4MB in the beginning and 106.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Sifa took 5555.83ms. Allocated memory was 177.2MB in the beginning and 216.0MB in the end (delta: 38.8MB). Free memory was 106.9MB in the beginning and 81.7MB in the end (delta: 25.2MB). Peak memory consumption was 64.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 5.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME: 0.5s, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 43, TOOLS_QUANTIFIERELIM_TIME: 1.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 51, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME: 4.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 3.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 2.4s, 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: 70, DAG_COMPRESSION_RETAINED_NODES: 38 - UnprovableResult [Line: 17]: 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 59#(and (<= |#NULL.base| |#NULL.offset|) (<= 1 (+ |#NULL.offset| |#StackHeapBarrier|)) (<= 1 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (<= (+ |#NULL.offset| 1) |#StackHeapBarrier|) (<= (+ |#NULL.base| 1) |#StackHeapBarrier|) (<= 0 (+ |#NULL.offset| |#NULL.base|)) (<= |#NULL.offset| 0) (<= 1 (+ |#StackHeapBarrier| |#NULL.base|)) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= |#NULL.offset| |#NULL.base|) (<= 0 |#NULL.offset|) (<= (+ |#NULL.offset| |#NULL.base|) 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-22 19:53:21,569 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...