/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/nla-digbench/ps2-ll.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 15:52:29,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 15:52:29,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 15:52:29,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 15:52:29,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 15:52:29,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 15:52:29,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 15:52:29,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 15:52:29,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 15:52:29,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 15:52:29,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 15:52:29,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 15:52:29,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 15:52:29,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 15:52:29,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 15:52:29,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 15:52:29,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 15:52:29,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 15:52:29,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 15:52:30,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 15:52:30,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 15:52:30,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 15:52:30,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 15:52:30,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 15:52:30,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 15:52:30,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 15:52:30,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 15:52:30,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 15:52:30,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 15:52:30,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 15:52:30,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 15:52:30,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 15:52:30,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 15:52:30,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 15:52:30,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 15:52:30,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 15:52:30,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 15:52:30,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 15:52:30,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 15:52:30,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 15:52:30,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 15:52:30,022 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 [2023-03-29 15:52:30,056 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 15:52:30,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 15:52:30,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 15:52:30,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 15:52:30,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 15:52:30,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 15:52:30,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 15:52:30,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 15:52:30,059 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 15:52:30,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 15:52:30,060 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 15:52:30,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 15:52:30,061 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 15:52:30,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 15:52:30,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 15:52:30,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 15:52:30,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 15:52:30,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:52:30,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 15:52:30,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 15:52:30,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 15:52:30,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 15:52:30,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 15:52:30,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 15:52:30,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 15:52:30,063 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 15:52:30,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 15:52:30,064 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 15:52:30,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 15:52:30,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 15:52:30,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 15:52:30,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 15:52:30,324 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 15:52:30,324 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 15:52:30,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-03-29 15:52:31,449 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 15:52:31,617 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 15:52:31,618 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-03-29 15:52:31,623 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75eae6d8b/3f5850e4aeca4d698f9f31d1c3acae76/FLAGa18e79f42 [2023-03-29 15:52:31,638 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75eae6d8b/3f5850e4aeca4d698f9f31d1c3acae76 [2023-03-29 15:52:31,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 15:52:31,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 15:52:31,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 15:52:31,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 15:52:31,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 15:52:31,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c5fa21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31, skipping insertion in model container [2023-03-29 15:52:31,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 15:52:31,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 15:52:31,786 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/ps2-ll.c[454,467] [2023-03-29 15:52:31,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:52:31,814 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 15:52:31,825 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/ps2-ll.c[454,467] [2023-03-29 15:52:31,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 15:52:31,838 INFO L208 MainTranslator]: Completed translation [2023-03-29 15:52:31,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31 WrapperNode [2023-03-29 15:52:31,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 15:52:31,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 15:52:31,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 15:52:31,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 15:52:31,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 15:52:31,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 15:52:31,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 15:52:31,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 15:52:31,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 03:52:31" (1/1) ... [2023-03-29 15:52:31,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 15:52:31,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 15:52:31,894 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) [2023-03-29 15:52:31,896 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 [2023-03-29 15:52:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 15:52:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 15:52:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 15:52:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-29 15:52:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-29 15:52:31,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 15:52:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 15:52:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 15:52:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 15:52:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 15:52:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 15:52:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 15:52:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 15:52:31,983 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 15:52:31,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 15:52:32,081 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 15:52:32,086 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 15:52:32,086 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-29 15:52:32,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:52:32 BoogieIcfgContainer [2023-03-29 15:52:32,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 15:52:32,089 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 15:52:32,089 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 15:52:32,089 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 15:52:32,090 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 03:52:32" (1/1) ... [2023-03-29 15:52:32,091 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 [2023-03-29 15:52:32,140 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 15:52:32,141 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 15:52:32,145 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 15:52:32,150 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 15:52:32,151 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 15:52:32,314 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-29 15:52:33,400 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-03-29 15:52:33,403 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-29 15:52:33,419 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-29 15:52:33,419 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-29 15:52:33,420 INFO L158 Benchmark]: Toolchain (without parser) took 1778.42ms. Allocated memory is still 318.8MB. Free memory was 275.6MB in the beginning and 176.5MB in the end (delta: 99.1MB). Peak memory consumption was 100.1MB. Max. memory is 8.0GB. [2023-03-29 15:52:33,421 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 178.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 15:52:33,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.86ms. Allocated memory is still 318.8MB. Free memory was 275.3MB in the beginning and 265.2MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-03-29 15:52:33,422 INFO L158 Benchmark]: Boogie Preprocessor took 22.71ms. Allocated memory is still 318.8MB. Free memory was 265.2MB in the beginning and 263.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-29 15:52:33,423 INFO L158 Benchmark]: RCFGBuilder took 225.47ms. Allocated memory is still 318.8MB. Free memory was 263.7MB in the beginning and 253.6MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-03-29 15:52:33,427 INFO L158 Benchmark]: Sifa took 1330.65ms. Allocated memory is still 318.8MB. Free memory was 253.6MB in the beginning and 176.5MB in the end (delta: 77.2MB). Peak memory consumption was 78.1MB. Max. memory is 8.0GB. [2023-03-29 15:52:33,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 178.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 195.86ms. Allocated memory is still 318.8MB. Free memory was 275.3MB in the beginning and 265.2MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.71ms. Allocated memory is still 318.8MB. Free memory was 265.2MB in the beginning and 263.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 225.47ms. Allocated memory is still 318.8MB. Free memory was 263.7MB in the beginning and 253.6MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Sifa took 1330.65ms. Allocated memory is still 318.8MB. Free memory was 253.6MB in the beginning and 176.5MB in the end (delta: 77.2MB). Peak memory consumption was 78.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 1.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 30, TOOLS_POST_TIME: 0.4s, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 52, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.3s, 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: 83, DAG_COMPRESSION_RETAINED_NODES: 40 - UnprovableResult [Line: 12]: 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 61#(and (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-29 15:52:33,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...