./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/Dubois-100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40cf886ba74af217ef2598256aae0587ccefcf812aa46bf7dcbb9cef73df88ab --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 19:13:33,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 19:13:33,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 19:13:34,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 19:13:34,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 19:13:34,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 19:13:34,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 19:13:34,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 19:13:34,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 19:13:34,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 19:13:34,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 19:13:34,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 19:13:34,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 19:13:34,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 19:13:34,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 19:13:34,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 19:13:34,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 19:13:34,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 19:13:34,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 19:13:34,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 19:13:34,041 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 19:13:34,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 19:13:34,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 19:13:34,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 19:13:34,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 19:13:34,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 19:13:34,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 19:13:34,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 19:13:34,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 19:13:34,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 19:13:34,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 19:13:34,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 19:13:34,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 19:13:34,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 19:13:34,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 19:13:34,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 19:13:34,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 19:13:34,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 19:13:34,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 19:13:34,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 19:13:34,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 19:13:34,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 19:13:34,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 19:13:34,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 19:13:34,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 19:13:34,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 19:13:34,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 19:13:34,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 19:13:34,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 19:13:34,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 19:13:34,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 19:13:34,084 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 19:13:34,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 19:13:34,085 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 19:13:34,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 19:13:34,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 19:13:34,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 19:13:34,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 19:13:34,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 19:13:34,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 19:13:34,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 19:13:34,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 19:13:34,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 19:13:34,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 19:13:34,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 19:13:34,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 19:13:34,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 19:13:34,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 19:13:34,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 19:13:34,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 19:13:34,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 19:13:34,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 19:13:34,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 19:13:34,088 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 19:13:34,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 19:13:34,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 19:13:34,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cf886ba74af217ef2598256aae0587ccefcf812aa46bf7dcbb9cef73df88ab [2022-07-22 19:13:34,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 19:13:34,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 19:13:34,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 19:13:34,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 19:13:34,269 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 19:13:34,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-100.c [2022-07-22 19:13:34,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9a2d386/bc5b0ce0c74742e19717de7c375d262c/FLAG2e493bfde [2022-07-22 19:13:34,773 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 19:13:34,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-100.c [2022-07-22 19:13:34,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9a2d386/bc5b0ce0c74742e19717de7c375d262c/FLAG2e493bfde [2022-07-22 19:13:34,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9a2d386/bc5b0ce0c74742e19717de7c375d262c [2022-07-22 19:13:34,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 19:13:34,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 19:13:34,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 19:13:34,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 19:13:34,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 19:13:34,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 07:13:34" (1/1) ... [2022-07-22 19:13:34,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d84f95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:34, skipping insertion in model container [2022-07-22 19:13:34,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 07:13:34" (1/1) ... [2022-07-22 19:13:34,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 19:13:34,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 19:13:35,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-100.c[71520,71533] [2022-07-22 19:13:35,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 19:13:35,357 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 19:13:35,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-100.c[71520,71533] [2022-07-22 19:13:35,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 19:13:35,753 INFO L208 MainTranslator]: Completed translation [2022-07-22 19:13:35,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35 WrapperNode [2022-07-22 19:13:35,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 19:13:35,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 19:13:35,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 19:13:35,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 19:13:35,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:13:35,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:13:52,389 INFO L137 Inliner]: procedures = 13, calls = 807, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2017 [2022-07-22 19:13:52,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 19:13:52,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 19:13:52,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 19:13:52,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 19:13:52,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:13:52,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:13:58,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:13:58,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:14:07,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:14:07,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:14:08,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:14:13,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 19:14:13,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 19:14:13,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 19:14:13,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 19:14:13,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 07:13:35" (1/1) ... [2022-07-22 19:14:13,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 19:14:13,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 19:14:13,894 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) [2022-07-22 19:14:13,908 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 [2022-07-22 19:14:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 19:14:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 19:14:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 19:14:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 19:14:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-22 19:14:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-22 19:14:14,109 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 19:14:14,112 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation