./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6c24879c 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/goblint-regression/09-regions_13-arraycollapse_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 02:23:16,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 02:23:16,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 02:23:16,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 02:23:16,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 02:23:16,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 02:23:16,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 02:23:16,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 02:23:16,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 02:23:16,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 02:23:16,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 02:23:16,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 02:23:16,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 02:23:16,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 02:23:16,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 02:23:16,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 02:23:16,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 02:23:16,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 02:23:16,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 02:23:16,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 02:23:16,386 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 02:23:16,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 02:23:16,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 02:23:16,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 02:23:16,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 02:23:16,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 02:23:16,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 02:23:16,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 02:23:16,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 02:23:16,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 02:23:16,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 02:23:16,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 02:23:16,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 02:23:16,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 02:23:16,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 02:23:16,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 02:23:16,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 02:23:16,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 02:23:16,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 02:23:16,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 02:23:16,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 02:23:16,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 02:23:16,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-13 02:23:16,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 02:23:16,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 02:23:16,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 02:23:16,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 02:23:16,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 02:23:16,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 02:23:16,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 02:23:16,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 02:23:16,442 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 02:23:16,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 02:23:16,443 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 02:23:16,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 02:23:16,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 02:23:16,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 02:23:16,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 02:23:16,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 02:23:16,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 02:23:16,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 02:23:16,445 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-13 02:23:16,445 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 02:23:16,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 02:23:16,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 02:23:16,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 02:23:16,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 02:23:16,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 02:23:16,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 02:23:16,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:23:16,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 02:23:16,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 02:23:16,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 02:23:16,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 02:23:16,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 02:23:16,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 02:23:16,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-07-13 02:23:16,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 02:23:16,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 02:23:16,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 02:23:16,709 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 02:23:16,710 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 02:23:16,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-07-13 02:23:16,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b882b3616/e730fd65457e485699c3baabea4da8f7/FLAG8db51c822 [2022-07-13 02:23:17,243 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 02:23:17,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-07-13 02:23:17,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b882b3616/e730fd65457e485699c3baabea4da8f7/FLAG8db51c822 [2022-07-13 02:23:17,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b882b3616/e730fd65457e485699c3baabea4da8f7 [2022-07-13 02:23:17,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 02:23:17,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 02:23:17,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 02:23:17,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 02:23:17,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 02:23:17,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:23:17" (1/1) ... [2022-07-13 02:23:17,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cc4ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:17, skipping insertion in model container [2022-07-13 02:23:17,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:23:17" (1/1) ... [2022-07-13 02:23:17,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 02:23:17,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 02:23:18,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:23:18,135 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 02:23:18,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 02:23:18,261 INFO L208 MainTranslator]: Completed translation [2022-07-13 02:23:18,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18 WrapperNode [2022-07-13 02:23:18,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 02:23:18,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 02:23:18,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 02:23:18,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 02:23:18,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,345 INFO L137 Inliner]: procedures = 371, calls = 47, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 203 [2022-07-13 02:23:18,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 02:23:18,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 02:23:18,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 02:23:18,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 02:23:18,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 02:23:18,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 02:23:18,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 02:23:18,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 02:23:18,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (1/1) ... [2022-07-13 02:23:18,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 02:23:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 02:23:18,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 02:23:18,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 02:23:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 02:23:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 02:23:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-13 02:23:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-13 02:23:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 02:23:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 02:23:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 02:23:18,484 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-13 02:23:18,674 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 02:23:18,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 02:23:19,130 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 02:23:19,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 02:23:19,139 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 02:23:19,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:23:19 BoogieIcfgContainer [2022-07-13 02:23:19,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 02:23:19,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 02:23:19,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 02:23:19,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 02:23:19,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:23:17" (1/3) ... [2022-07-13 02:23:19,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66bddad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:23:19, skipping insertion in model container [2022-07-13 02:23:19,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:23:18" (2/3) ... [2022-07-13 02:23:19,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66bddad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:23:19, skipping insertion in model container [2022-07-13 02:23:19,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:23:19" (3/3) ... [2022-07-13 02:23:19,148 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2022-07-13 02:23:19,152 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-13 02:23:19,159 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 02:23:19,159 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-13 02:23:19,159 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-13 02:23:19,231 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-13 02:23:19,261 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-13 02:23:19,274 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 263 transitions, 531 flow [2022-07-13 02:23:19,281 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 263 transitions, 531 flow [2022-07-13 02:23:19,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 262 places, 263 transitions, 531 flow [2022-07-13 02:23:19,381 INFO L129 PetriNetUnfolder]: 5/262 cut-off events. [2022-07-13 02:23:19,382 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-13 02:23:19,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 262 events. 5/262 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2022-07-13 02:23:19,390 INFO L116 LiptonReduction]: Number of co-enabled transitions 1672 [2022-07-13 02:24:37,337 WARN L233 SmtUtils]: Spent 44.12s on a formula simplification that was a NOOP. DAG size: 295 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-13 02:25:03,231 WARN L233 SmtUtils]: Spent 25.88s on a formula simplification that was a NOOP. DAG size: 247 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-13 02:25:44,113 WARN L233 SmtUtils]: Spent 40.88s on a formula simplification that was a NOOP. DAG size: 295 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-13 02:26:00,347 WARN L233 SmtUtils]: Spent 16.23s on a formula simplification that was a NOOP. DAG size: 247 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-13 02:26:16,960 WARN L233 SmtUtils]: Spent 16.61s on a formula simplification that was a NOOP. DAG size: 281 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-13 02:26:25,993 WARN L233 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-13 02:26:43,321 WARN L233 SmtUtils]: Spent 17.33s on a formula simplification that was a NOOP. DAG size: 281 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-13 02:26:51,614 WARN L233 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)