./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 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_12-arraycollapse_rc.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 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:04:03,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:04:03,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:04:03,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:04:03,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:04:03,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:04:03,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:04:03,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:04:03,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:04:03,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:04:03,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:04:03,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:04:03,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:04:03,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:04:03,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:04:03,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:04:03,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:04:03,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:04:03,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:04:03,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:04:03,230 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:04:03,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:04:03,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:04:03,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:04:03,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:04:03,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:04:03,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:04:03,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:04:03,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:04:03,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:04:03,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:04:03,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:04:03,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:04:03,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:04:03,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:04:03,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:04:03,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:04:03,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:04:03,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:04:03,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:04:03,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:04:03,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:04:03,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-14 14:04:03,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:04:03,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:04:03,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:04:03,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:04:03,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 14:04:03,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 14:04:03,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:04:03,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:04:03,295 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:04:03,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:04:03,296 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 14:04:03,296 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:04:03,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:04:03,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 14:04:03,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:04:03,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 14:04:03,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 14:04:03,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 14:04:03,298 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 14:04:03,298 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 14:04:03,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:04:03,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:04:03,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 14:04:03,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:04:03,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:04:03,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 14:04:03,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:04:03,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:04:03,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 14:04:03,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 14:04:03,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:04:03,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 14:04:03,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 14:04:03,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 [2022-07-14 14:04:03,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:04:03,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:04:03,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:04:03,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:04:03,559 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:04:03,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-07-14 14:04:03,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd625ac4/6c9df744b0664e80a37556a8bde559b1/FLAGfef279f3a [2022-07-14 14:04:04,113 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:04:04,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-07-14 14:04:04,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd625ac4/6c9df744b0664e80a37556a8bde559b1/FLAGfef279f3a [2022-07-14 14:04:04,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd625ac4/6c9df744b0664e80a37556a8bde559b1 [2022-07-14 14:04:04,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:04:04,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:04:04,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:04:04,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:04:04,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:04:04,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:04:04" (1/1) ... [2022-07-14 14:04:04,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6455e0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:04, skipping insertion in model container [2022-07-14 14:04:04,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:04:04" (1/1) ... [2022-07-14 14:04:04,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:04:04,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:04:04,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:04:04,922 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:04:04,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:04:05,042 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:04:05,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05 WrapperNode [2022-07-14 14:04:05,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:04:05,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:04:05,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:04:05,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:04:05,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,100 INFO L137 Inliner]: procedures = 371, calls = 46, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 192 [2022-07-14 14:04:05,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:04:05,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:04:05,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:04:05,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:04:05,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:04:05,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:04:05,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:04:05,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:04:05,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (1/1) ... [2022-07-14 14:04:05,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 14:04:05,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:04:05,176 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) [2022-07-14 14:04:05,189 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 [2022-07-14 14:04:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 14:04:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 14:04:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 14:04:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 14:04:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 14:04:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-14 14:04:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 14:04:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 14:04:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 14:04:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-14 14:04:05,216 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-14 14:04:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 14:04:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:04:05,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:04:05,218 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-14 14:04:05,370 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:04:05,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:04:05,760 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:04:05,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:04:05,770 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 14:04:05,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:04:05 BoogieIcfgContainer [2022-07-14 14:04:05,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:04:05,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 14:04:05,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 14:04:05,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 14:04:05,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:04:04" (1/3) ... [2022-07-14 14:04:05,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da4517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:04:05, skipping insertion in model container [2022-07-14 14:04:05,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:04:05" (2/3) ... [2022-07-14 14:04:05,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da4517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:04:05, skipping insertion in model container [2022-07-14 14:04:05,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:04:05" (3/3) ... [2022-07-14 14:04:05,782 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2022-07-14 14:04:05,788 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-14 14:04:05,795 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 14:04:05,796 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 14:04:05,796 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-14 14:04:05,848 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-14 14:04:05,893 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-14 14:04:05,908 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 248 transitions, 501 flow [2022-07-14 14:04:05,912 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 248 transitions, 501 flow [2022-07-14 14:04:05,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 248 transitions, 501 flow [2022-07-14 14:04:05,992 INFO L129 PetriNetUnfolder]: 5/247 cut-off events. [2022-07-14 14:04:05,992 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-14 14:04:05,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 247 events. 5/247 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. 0/240 useless extension candidates. Maximal degree in co-relation 183. Up to 2 conditions per place. [2022-07-14 14:04:06,001 INFO L116 LiptonReduction]: Number of co-enabled transitions 1672 [2022-07-14 14:04:57,812 WARN L233 SmtUtils]: Spent 23.95s on a formula simplification that was a NOOP. DAG size: 279 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:05:17,731 WARN L233 SmtUtils]: Spent 19.91s on a formula simplification that was a NOOP. DAG size: 256 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:05:42,760 WARN L233 SmtUtils]: Spent 25.02s on a formula simplification that was a NOOP. DAG size: 279 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:06:06,236 WARN L233 SmtUtils]: Spent 23.47s on a formula simplification that was a NOOP. DAG size: 256 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:08:23,627 WARN L233 SmtUtils]: Spent 2.26m on a formula simplification that was a NOOP. DAG size: 378 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)