./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-cav19/array_init_nondet_vars.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/array-cav19/array_init_nondet_vars.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 b36a429fc2ac304c1da00c90b438bd7c9bbfb7e9d7c6704fc9e7805ab1ca424f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:45:58,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:45:58,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:45:58,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:45:58,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:45:58,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:45:58,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:45:58,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:45:58,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:45:58,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:45:58,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:45:58,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:45:58,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:45:58,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:45:58,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:45:58,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:45:58,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:45:58,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:45:58,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:45:58,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:45:58,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:45:58,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:45:58,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:45:58,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:45:58,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:45:58,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:45:58,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:45:58,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:45:58,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:45:58,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:45:58,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:45:58,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:45:58,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:45:58,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:45:58,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:45:58,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:45:58,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:45:58,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:45:58,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:45:58,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:45:58,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:45:58,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:45:58,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:45:58,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:45:58,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:45:58,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:45:58,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:45:58,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:45:58,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:45:58,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:45:58,297 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:45:58,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:45:58,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:45:58,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:45:58,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:45:58,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:45:58,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:45:58,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:45:58,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:45:58,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:45:58,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:45:58,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:45:58,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:45:58,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:45:58,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:45:58,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:45:58,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:45:58,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:45:58,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:45:58,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:45:58,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:45:58,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:45:58,303 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:45:58,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:45:58,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:45:58,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:45:58,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36a429fc2ac304c1da00c90b438bd7c9bbfb7e9d7c6704fc9e7805ab1ca424f [2021-12-15 08:45:58,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:45:58,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:45:58,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:45:58,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:45:58,533 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:45:58,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-cav19/array_init_nondet_vars.c [2021-12-15 08:45:58,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f57a799/353041effa2a462dbd58cbe753110d83/FLAG5a47e850c [2021-12-15 08:45:58,946 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:45:58,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_nondet_vars.c [2021-12-15 08:45:58,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f57a799/353041effa2a462dbd58cbe753110d83/FLAG5a47e850c [2021-12-15 08:45:59,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f57a799/353041effa2a462dbd58cbe753110d83 [2021-12-15 08:45:59,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:45:59,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:45:59,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:45:59,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:45:59,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:45:59,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2de047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59, skipping insertion in model container [2021-12-15 08:45:59,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:45:59,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:45:59,542 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/array-cav19/array_init_nondet_vars.c[413,426] [2021-12-15 08:45:59,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:45:59,558 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:45:59,570 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/array-cav19/array_init_nondet_vars.c[413,426] [2021-12-15 08:45:59,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:45:59,600 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:45:59,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59 WrapperNode [2021-12-15 08:45:59,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:45:59,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:45:59,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:45:59,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:45:59,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,632 INFO L137 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-12-15 08:45:59,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:45:59,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:45:59,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:45:59,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:45:59,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:45:59,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:45:59,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:45:59,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:45:59,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (1/1) ... [2021-12-15 08:45:59,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:45:59,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:45:59,704 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 08:45:59,727 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 08:45:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:45:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 08:45:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 08:45:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:45:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:45:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 08:45:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:45:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:45:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 08:45:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:45:59,799 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:45:59,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:45:59,941 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:45:59,946 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:45:59,955 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 08:45:59,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:45:59 BoogieIcfgContainer [2021-12-15 08:45:59,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:45:59,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:45:59,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:45:59,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:45:59,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:45:59" (1/3) ... [2021-12-15 08:45:59,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38163800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:45:59, skipping insertion in model container [2021-12-15 08:45:59,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:45:59" (2/3) ... [2021-12-15 08:45:59,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38163800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:45:59, skipping insertion in model container [2021-12-15 08:45:59,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:45:59" (3/3) ... [2021-12-15 08:45:59,976 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_nondet_vars.c [2021-12-15 08:45:59,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:45:59,980 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:46:00,015 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:46:00,021 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 08:46:00,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:46:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-15 08:46:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 08:46:00,038 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:00,041 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:00,042 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:00,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:00,048 INFO L85 PathProgramCache]: Analyzing trace with hash -687560493, now seen corresponding path program 1 times [2021-12-15 08:46:00,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:46:00,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514908210] [2021-12-15 08:46:00,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:00,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:46:00,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:46:00,111 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 08:46:00,117 INFO L158 Benchmark]: Toolchain (without parser) took 737.96ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 47.9MB in the end (delta: 13.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-12-15 08:46:00,118 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:46:00,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.03ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 69.6MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 08:46:00,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.67ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 08:46:00,121 INFO L158 Benchmark]: Boogie Preprocessor took 38.82ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 08:46:00,122 INFO L158 Benchmark]: RCFGBuilder took 284.09ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 57.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 08:46:00,126 INFO L158 Benchmark]: TraceAbstraction took 155.30ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 47.9MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 08:46:00,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.03ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 69.6MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.67ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.82ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.09ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 57.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 155.30ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 47.9MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. 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 08:46:00,174 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 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/array-cav19/array_init_nondet_vars.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 b36a429fc2ac304c1da00c90b438bd7c9bbfb7e9d7c6704fc9e7805ab1ca424f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:46:02,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:46:02,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:46:02,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:46:02,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:46:02,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:46:02,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:46:02,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:46:02,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:46:02,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:46:02,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:46:02,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:46:02,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:46:02,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:46:02,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:46:02,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:46:02,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:46:02,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:46:02,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:46:02,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:46:02,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:46:02,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:46:02,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:46:02,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:46:02,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:46:02,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:46:02,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:46:02,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:46:02,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:46:02,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:46:02,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:46:02,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:46:02,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:46:02,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:46:02,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:46:02,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:46:02,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:46:02,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:46:02,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:46:02,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:46:02,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:46:02,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 08:46:02,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:46:02,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:46:02,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:46:02,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:46:02,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:46:02,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:46:02,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:46:02,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:46:02,209 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:46:02,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:46:02,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:46:02,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:46:02,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:46:02,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:46:02,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:46:02,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:46:02,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 08:46:02,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 08:46:02,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 08:46:02,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:46:02,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:46:02,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:46:02,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:46:02,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:46:02,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:46:02,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:46:02,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:46:02,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:46:02,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:46:02,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:46:02,214 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 08:46:02,214 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 08:46:02,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:46:02,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:46:02,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:46:02,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:46:02,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 08:46:02,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36a429fc2ac304c1da00c90b438bd7c9bbfb7e9d7c6704fc9e7805ab1ca424f [2021-12-15 08:46:02,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:46:02,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:46:02,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:46:02,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:46:02,537 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:46:02,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-cav19/array_init_nondet_vars.c [2021-12-15 08:46:02,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0332b9439/e9d250dc1c9748e6b6289b458d8cb733/FLAG7c3ab60ae [2021-12-15 08:46:02,935 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:46:02,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_nondet_vars.c [2021-12-15 08:46:02,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0332b9439/e9d250dc1c9748e6b6289b458d8cb733/FLAG7c3ab60ae [2021-12-15 08:46:03,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0332b9439/e9d250dc1c9748e6b6289b458d8cb733 [2021-12-15 08:46:03,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:46:03,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:46:03,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:46:03,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:46:03,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:46:03,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa51731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03, skipping insertion in model container [2021-12-15 08:46:03,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:46:03,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:46:03,462 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/array-cav19/array_init_nondet_vars.c[413,426] [2021-12-15 08:46:03,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:46:03,480 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:46:03,495 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/array-cav19/array_init_nondet_vars.c[413,426] [2021-12-15 08:46:03,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:46:03,538 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:46:03,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03 WrapperNode [2021-12-15 08:46:03,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:46:03,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:46:03,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:46:03,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:46:03,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,564 INFO L137 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2021-12-15 08:46:03,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:46:03,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:46:03,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:46:03,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:46:03,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:46:03,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:46:03,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:46:03,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:46:03,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (1/1) ... [2021-12-15 08:46:03,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:46:03,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:46:03,636 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 08:46:03,658 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 08:46:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:46:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 08:46:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 08:46:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 08:46:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:46:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 08:46:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:46:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:46:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:46:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 08:46:03,742 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:46:03,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:46:03,900 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:46:03,905 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:46:03,905 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 08:46:03,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:46:03 BoogieIcfgContainer [2021-12-15 08:46:03,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:46:03,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:46:03,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:46:03,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:46:03,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:46:03" (1/3) ... [2021-12-15 08:46:03,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13be5b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:46:03, skipping insertion in model container [2021-12-15 08:46:03,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:46:03" (2/3) ... [2021-12-15 08:46:03,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13be5b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:46:03, skipping insertion in model container [2021-12-15 08:46:03,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:46:03" (3/3) ... [2021-12-15 08:46:03,922 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_nondet_vars.c [2021-12-15 08:46:03,925 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:46:03,939 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:46:03,981 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:46:03,986 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 08:46:03,986 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:46:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-15 08:46:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 08:46:04,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:46:04,003 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:46:04,004 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:46:04,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:46:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash -687560493, now seen corresponding path program 1 times [2021-12-15 08:46:04,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:46:04,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886531007] [2021-12-15 08:46:04,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:46:04,027 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:46:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:46:04,029 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 08:46:04,030 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 08:46:04,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 08:46:04,270 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 08:46:04,271 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 08:46:04,277 INFO L158 Benchmark]: Toolchain (without parser) took 932.95ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 49.2MB in the end (delta: -528.3kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-12-15 08:46:04,278 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:46:04,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.36ms. Allocated memory is still 69.2MB. Free memory was 48.5MB in the beginning and 51.2MB in the end (delta: -2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 08:46:04,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.24ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 49.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:46:04,280 INFO L158 Benchmark]: Boogie Preprocessor took 41.86ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 48.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 08:46:04,281 INFO L158 Benchmark]: RCFGBuilder took 298.76ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 38.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 08:46:04,285 INFO L158 Benchmark]: TraceAbstraction took 367.21ms. Allocated memory is still 69.2MB. Free memory was 38.0MB in the beginning and 49.2MB in the end (delta: -11.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-12-15 08:46:04,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.36ms. Allocated memory is still 69.2MB. Free memory was 48.5MB in the beginning and 51.2MB in the end (delta: -2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.24ms. Allocated memory is still 69.2MB. Free memory was 51.0MB in the beginning and 49.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.86ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 48.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.76ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 38.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 367.21ms. Allocated memory is still 69.2MB. Free memory was 38.0MB in the beginning and 49.2MB in the end (delta: -11.2MB). Peak memory consumption was 10.0MB. 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 08:46:04,319 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable