./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/float-benchs/sin_interpolated_index-1.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 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:25:57,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:25:57,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:25:57,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:25:57,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:25:57,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:25:57,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:25:57,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:25:57,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:25:57,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:25:57,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:25:57,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:25:57,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:25:57,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:25:57,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:25:57,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:25:57,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:25:57,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:25:57,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:25:57,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:25:57,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:25:57,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:25:57,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:25:57,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:25:57,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:25:57,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:25:57,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:25:57,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:25:57,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:25:57,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:25:57,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:25:57,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:25:57,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:25:57,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:25:57,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:25:57,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:25:57,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:25:57,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:25:57,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:25:57,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:25:57,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:25:57,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 10:25:57,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:25:57,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:25:57,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:25:57,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:25:57,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:25:57,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:25:57,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:25:57,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:25:57,270 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:25:57,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:25:57,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:25:57,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 10:25:57,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:25:57,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:25:57,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:25:57,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:25:57,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:25:57,272 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:25:57,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:25:57,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:25:57,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:25:57,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:25:57,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:25:57,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:25:57,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:25:57,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:25:57,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:25:57,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:25:57,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 10:25:57,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 10:25:57,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:25:57,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:25:57,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:25:57,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:25:57,274 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b [2021-12-15 10:25:57,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:25:57,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:25:57,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:25:57,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:25:57,464 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:25:57,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-12-15 10:25:57,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2686b14/a313f976a45f42a2911c0981cec869ca/FLAGb3bdc5418 [2021-12-15 10:25:57,904 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:25:57,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-12-15 10:25:57,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2686b14/a313f976a45f42a2911c0981cec869ca/FLAGb3bdc5418 [2021-12-15 10:25:57,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2686b14/a313f976a45f42a2911c0981cec869ca [2021-12-15 10:25:57,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:25:57,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:25:57,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:25:57,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:25:57,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:25:57,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:25:57" (1/1) ... [2021-12-15 10:25:57,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffa29ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:57, skipping insertion in model container [2021-12-15 10:25:57,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:25:57" (1/1) ... [2021-12-15 10:25:57,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:25:57,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:25:58,091 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/float-benchs/sin_interpolated_index-1.c[722,735] [2021-12-15 10:25:58,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:25:58,183 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:25:58,194 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/float-benchs/sin_interpolated_index-1.c[722,735] [2021-12-15 10:25:58,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:25:58,270 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:25:58,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58 WrapperNode [2021-12-15 10:25:58,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:25:58,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:25:58,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:25:58,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:25:58,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,329 INFO L137 Inliner]: procedures = 21, calls = 380, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 420 [2021-12-15 10:25:58,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:25:58,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:25:58,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:25:58,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:25:58,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:25:58,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:25:58,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:25:58,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:25:58,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (1/1) ... [2021-12-15 10:25:58,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:25:58,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:25:58,414 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) [2021-12-15 10:25:58,428 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 [2021-12-15 10:25:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:25:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-12-15 10:25:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-12-15 10:25:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 10:25:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-12-15 10:25:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-12-15 10:25:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-12-15 10:25:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-12-15 10:25:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 10:25:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:25:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:25:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-15 10:25:58,490 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:25:58,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:25:58,758 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:25:58,762 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:25:58,762 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 10:25:58,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:25:58 BoogieIcfgContainer [2021-12-15 10:25:58,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:25:58,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:25:58,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:25:58,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:25:58,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:25:57" (1/3) ... [2021-12-15 10:25:58,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e21c345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:25:58, skipping insertion in model container [2021-12-15 10:25:58,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:25:58" (2/3) ... [2021-12-15 10:25:58,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e21c345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:25:58, skipping insertion in model container [2021-12-15 10:25:58,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:25:58" (3/3) ... [2021-12-15 10:25:58,768 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2021-12-15 10:25:58,771 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:25:58,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:25:58,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:25:58,821 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 10:25:58,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:25:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-15 10:25:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 10:25:58,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:25:58,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:25:58,851 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:25:58,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:25:58,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2021-12-15 10:25:58,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 10:25:58,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379757876] [2021-12-15 10:25:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:25:58,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 10:25:58,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 10:25:58,913 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 10:25:58,918 INFO L158 Benchmark]: Toolchain (without parser) took 989.42ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 89.5MB in the beginning and 123.9MB in the end (delta: -34.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-15 10:25:58,919 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:25:58,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.61ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 80.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:25:58,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.63ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 76.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 10:25:58,921 INFO L158 Benchmark]: Boogie Preprocessor took 33.10ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 72.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 10:25:58,921 INFO L158 Benchmark]: RCFGBuilder took 394.34ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 72.6MB in the beginning and 133.9MB in the end (delta: -61.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-15 10:25:58,925 INFO L158 Benchmark]: TraceAbstraction took 151.24ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 123.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:25:58,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.61ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 80.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.63ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 76.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.10ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 72.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 394.34ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 72.6MB in the beginning and 133.9MB in the end (delta: -61.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 151.24ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 123.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:25:58,959 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/float-benchs/sin_interpolated_index-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:26:00,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:26:00,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:26:00,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:26:00,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:26:00,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:26:00,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:26:00,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:26:00,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:26:00,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:26:00,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:26:00,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:26:00,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:26:00,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:26:00,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:26:00,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:26:00,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:26:00,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:26:00,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:26:00,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:26:00,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:26:00,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:26:00,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:26:00,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:26:00,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:26:00,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:26:00,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:26:00,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:26:00,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:26:00,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:26:00,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:26:00,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:26:00,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:26:00,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:26:00,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:26:00,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:26:00,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:26:00,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:26:00,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:26:00,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:26:00,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:26:00,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 10:26:00,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:26:00,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:26:00,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:26:00,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:26:00,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:26:00,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:26:00,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:26:00,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:26:00,686 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:26:00,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:26:00,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:26:00,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:26:00,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:26:00,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:26:00,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:26:00,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:26:00,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 10:26:00,687 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 10:26:00,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 10:26:00,688 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:26:00,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:26:00,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:26:00,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:26:00,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:26:00,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:26:00,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:26:00,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:26:00,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:26:00,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:26:00,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:26:00,689 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 10:26:00,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 10:26:00,690 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:26:00,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:26:00,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:26:00,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:26:00,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 10:26:00,690 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b [2021-12-15 10:26:00,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:26:00,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:26:00,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:26:00,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:26:00,945 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:26:00,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-12-15 10:26:00,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0392d22/2e2cb9228f06417395da1bac19a2fbe4/FLAGfe226646c [2021-12-15 10:26:01,423 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:26:01,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-12-15 10:26:01,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0392d22/2e2cb9228f06417395da1bac19a2fbe4/FLAGfe226646c [2021-12-15 10:26:01,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0392d22/2e2cb9228f06417395da1bac19a2fbe4 [2021-12-15 10:26:01,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:26:01,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:26:01,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:26:01,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:26:01,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:26:01,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cc7587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01, skipping insertion in model container [2021-12-15 10:26:01,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:26:01,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:26:01,581 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/float-benchs/sin_interpolated_index-1.c[722,735] [2021-12-15 10:26:01,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:26:01,679 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:26:01,686 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/float-benchs/sin_interpolated_index-1.c[722,735] [2021-12-15 10:26:01,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:26:01,763 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:26:01,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01 WrapperNode [2021-12-15 10:26:01,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:26:01,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:26:01,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:26:01,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:26:01,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,854 INFO L137 Inliner]: procedures = 22, calls = 380, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 421 [2021-12-15 10:26:01,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:26:01,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:26:01,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:26:01,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:26:01,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:26:01,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:26:01,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:26:01,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:26:01,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (1/1) ... [2021-12-15 10:26:01,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:26:01,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:26:01,963 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) [2021-12-15 10:26:01,982 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 [2021-12-15 10:26:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:26:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 10:26:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-12-15 10:26:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-12-15 10:26:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 10:26:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-12-15 10:26:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-12-15 10:26:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-12-15 10:26:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-12-15 10:26:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-15 10:26:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:26:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:26:02,062 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:26:02,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:26:05,663 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:26:05,666 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:26:05,667 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 10:26:05,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:26:05 BoogieIcfgContainer [2021-12-15 10:26:05,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:26:05,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:26:05,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:26:05,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:26:05,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:26:01" (1/3) ... [2021-12-15 10:26:05,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5106791e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:26:05, skipping insertion in model container [2021-12-15 10:26:05,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:26:01" (2/3) ... [2021-12-15 10:26:05,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5106791e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:26:05, skipping insertion in model container [2021-12-15 10:26:05,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:26:05" (3/3) ... [2021-12-15 10:26:05,678 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2021-12-15 10:26:05,682 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:26:05,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:26:05,719 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:26:05,723 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 10:26:05,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:26:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-15 10:26:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 10:26:05,736 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:26:05,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:26:05,737 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:26:05,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:26:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2021-12-15 10:26:05,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:26:05,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608486827] [2021-12-15 10:26:05,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:26:05,753 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:26:05,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:26:05,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 10:26:05,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 10:26:05,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 10:26:06,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 10:26:06,029 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 10:26:06,033 INFO L158 Benchmark]: Toolchain (without parser) took 4587.13ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 43.6MB in the beginning and 30.7MB in the end (delta: 12.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-12-15 10:26:06,033 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:26:06,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.77ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 32.4MB in the end (delta: 10.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 10:26:06,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.65ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 58.4MB in the end (delta: -26.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-12-15 10:26:06,034 INFO L158 Benchmark]: Boogie Preprocessor took 82.18ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 54.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 10:26:06,035 INFO L158 Benchmark]: RCFGBuilder took 3729.99ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 45.7MB in the end (delta: 8.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-12-15 10:26:06,035 INFO L158 Benchmark]: TraceAbstraction took 362.25ms. Allocated memory is still 77.6MB. Free memory was 45.3MB in the beginning and 30.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 10:26:06,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.77ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 32.4MB in the end (delta: 10.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.65ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 58.4MB in the end (delta: -26.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.18ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 54.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3729.99ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 45.7MB in the end (delta: 8.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 362.25ms. Allocated memory is still 77.6MB. Free memory was 45.3MB in the beginning and 30.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:26:06,099 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable