./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i -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 d31eb36a2b8c22db9669e8700b4f14c6e1ae960f387b904c728720511cccc977 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 00:06:43,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 00:06:43,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 00:06:43,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 00:06:43,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 00:06:43,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 00:06:43,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 00:06:43,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 00:06:43,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 00:06:43,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 00:06:43,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 00:06:43,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 00:06:43,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 00:06:43,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 00:06:43,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 00:06:43,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 00:06:43,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 00:06:43,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 00:06:43,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 00:06:43,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 00:06:43,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 00:06:43,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 00:06:43,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 00:06:43,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 00:06:43,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 00:06:43,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 00:06:43,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 00:06:43,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 00:06:43,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 00:06:43,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 00:06:43,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 00:06:43,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 00:06:43,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 00:06:43,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 00:06:43,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 00:06:43,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 00:06:43,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 00:06:43,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 00:06:43,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 00:06:43,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 00:06:43,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 00:06:43,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-31 00:06:43,214 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 00:06:43,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 00:06:43,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 00:06:43,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 00:06:43,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 00:06:43,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 00:06:43,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 00:06:43,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 00:06:43,218 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 00:06:43,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 00:06:43,219 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 00:06:43,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 00:06:43,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 00:06:43,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 00:06:43,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 00:06:43,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 00:06:43,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 00:06:43,220 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 00:06:43,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 00:06:43,221 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 00:06:43,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 00:06:43,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 00:06:43,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 00:06:43,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 00:06:43,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 00:06:43,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 00:06:43,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 00:06:43,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 00:06:43,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 00:06:43,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 00:06:43,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 00:06:43,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 00:06:43,223 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 00:06:43,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 00:06:43,224 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 00:06:43,224 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d31eb36a2b8c22db9669e8700b4f14c6e1ae960f387b904c728720511cccc977 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-31 00:06:43,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 00:06:43,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 00:06:43,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 00:06:43,535 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 00:06:43,535 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 00:06:43,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i [2023-08-31 00:06:44,778 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 00:06:45,040 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 00:06:45,041 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i [2023-08-31 00:06:45,052 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1de3c052/1c60fbb43eea4a7cb24244260042d8fd/FLAG058a49561 [2023-08-31 00:06:45,068 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1de3c052/1c60fbb43eea4a7cb24244260042d8fd [2023-08-31 00:06:45,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 00:06:45,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 00:06:45,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 00:06:45,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 00:06:45,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 00:06:45,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286d6574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45, skipping insertion in model container [2023-08-31 00:06:45,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 00:06:45,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 00:06:45,251 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i[1088,1101] [2023-08-31 00:06:45,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 00:06:45,397 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 00:06:45,410 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_66-mine-W-init_true.i[1088,1101] [2023-08-31 00:06:45,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 00:06:45,473 INFO L208 MainTranslator]: Completed translation [2023-08-31 00:06:45,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45 WrapperNode [2023-08-31 00:06:45,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 00:06:45,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 00:06:45,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 00:06:45,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 00:06:45,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,524 INFO L138 Inliner]: procedures = 161, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-08-31 00:06:45,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 00:06:45,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 00:06:45,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 00:06:45,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 00:06:45,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 00:06:45,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 00:06:45,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 00:06:45,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 00:06:45,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (1/1) ... [2023-08-31 00:06:45,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 00:06:45,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 00:06:45,638 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) [2023-08-31 00:06:45,644 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 [2023-08-31 00:06:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 00:06:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 00:06:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 00:06:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 00:06:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 00:06:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 00:06:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 00:06:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 00:06:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 00:06:45,673 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 00:06:45,798 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 00:06:45,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 00:06:45,883 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 00:06:45,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 00:06:45,889 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 00:06:45,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:06:45 BoogieIcfgContainer [2023-08-31 00:06:45,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 00:06:45,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 00:06:45,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 00:06:45,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 00:06:45,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 12:06:45" (1/3) ... [2023-08-31 00:06:45,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b74d3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 12:06:45, skipping insertion in model container [2023-08-31 00:06:45,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:06:45" (2/3) ... [2023-08-31 00:06:45,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b74d3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 12:06:45, skipping insertion in model container [2023-08-31 00:06:45,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:06:45" (3/3) ... [2023-08-31 00:06:45,898 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_66-mine-W-init_true.i [2023-08-31 00:06:45,904 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 00:06:45,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 00:06:45,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-31 00:06:45,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 00:06:45,969 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 00:06:46,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 35 transitions, 75 flow [2023-08-31 00:06:46,050 INFO L130 PetriNetUnfolder]: 1/34 cut-off events. [2023-08-31 00:06:46,051 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 00:06:46,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 34 events. 1/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2023-08-31 00:06:46,055 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 35 transitions, 75 flow [2023-08-31 00:06:46,059 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 26 transitions, 55 flow [2023-08-31 00:06:46,062 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 00:06:46,083 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 26 transitions, 55 flow [2023-08-31 00:06:46,086 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 26 transitions, 55 flow [2023-08-31 00:06:46,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 55 flow [2023-08-31 00:06:46,106 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2023-08-31 00:06:46,111 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 00:06:46,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 00:06:46,112 INFO L119 LiptonReduction]: Number of co-enabled transitions 48 [2023-08-31 00:06:47,070 INFO L134 LiptonReduction]: Checked pairs total: 28 [2023-08-31 00:06:47,070 INFO L136 LiptonReduction]: Total number of compositions: 22 [2023-08-31 00:06:47,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 00:06:47,103 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40c5026, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 00:06:47,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-31 00:06:47,106 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2023-08-31 00:06:47,107 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 00:06:47,107 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 00:06:47,108 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-31 00:06:47,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-31 00:06:47,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 00:06:47,115 INFO L85 PathProgramCache]: Analyzing trace with hash 129400, now seen corresponding path program 1 times [2023-08-31 00:06:47,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 00:06:47,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694726070] [2023-08-31 00:06:47,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 00:06:47,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 00:06:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 00:06:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 00:06:47,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 00:06:47,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694726070] [2023-08-31 00:06:47,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694726070] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 00:06:47,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 00:06:47,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-31 00:06:47,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922572366] [2023-08-31 00:06:47,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 00:06:47,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 00:06:47,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 00:06:47,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 00:06:47,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 00:06:47,307 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2023-08-31 00:06:47,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 8 places, 4 transitions, 11 flow. Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 00:06:47,310 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 00:06:47,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2023-08-31 00:06:47,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 00:06:47,322 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2023-08-31 00:06:47,322 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 00:06:47,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11 conditions, 3 events. 0/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/5 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2023-08-31 00:06:47,323 INFO L137 encePairwiseOnDemand]: 56/57 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2023-08-31 00:06:47,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 8 places, 3 transitions, 15 flow [2023-08-31 00:06:47,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 00:06:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 00:06:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2023-08-31 00:06:47,334 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5964912280701754 [2023-08-31 00:06:47,335 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 68 transitions. [2023-08-31 00:06:47,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 68 transitions. [2023-08-31 00:06:47,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 00:06:47,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 68 transitions. [2023-08-31 00:06:47,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 00:06:47,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 00:06:47,342 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 00:06:47,344 INFO L175 Difference]: Start difference. First operand has 8 places, 4 transitions, 11 flow. Second operand 2 states and 68 transitions. [2023-08-31 00:06:47,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 8 places, 3 transitions, 15 flow [2023-08-31 00:06:47,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 7 places, 3 transitions, 14 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 00:06:47,347 INFO L231 Difference]: Finished difference. Result has 7 places, 0 transitions, 0 flow [2023-08-31 00:06:47,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=8, PETRI_DIFFERENCE_MINUEND_PLACES=6, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=7, PETRI_TRANSITIONS=0} [2023-08-31 00:06:47,351 INFO L281 CegarLoopForPetriNet]: 8 programPoint places, -1 predicate places. [2023-08-31 00:06:47,352 INFO L495 AbstractCegarLoop]: Abstraction has has 7 places, 0 transitions, 0 flow [2023-08-31 00:06:47,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 00:06:47,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-08-31 00:06:47,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-31 00:06:47,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 00:06:47,356 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-31 00:06:47,359 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 00:06:47,359 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 00:06:47,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 12:06:47 BasicIcfg [2023-08-31 00:06:47,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 00:06:47,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 00:06:47,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 00:06:47,364 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 00:06:47,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:06:45" (3/4) ... [2023-08-31 00:06:47,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 00:06:47,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-31 00:06:47,378 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-08-31 00:06:47,379 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 00:06:47,379 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 00:06:47,380 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 00:06:47,406 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 00:06:47,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 00:06:47,407 INFO L158 Benchmark]: Toolchain (without parser) took 2335.32ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 50.6MB in the beginning and 48.4MB in the end (delta: 2.2MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-08-31 00:06:47,407 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 00:06:47,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.73ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 32.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-31 00:06:47,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.82ms. Allocated memory is still 73.4MB. Free memory was 32.2MB in the beginning and 30.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 00:06:47,408 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 73.4MB. Free memory was 30.3MB in the beginning and 29.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 00:06:47,409 INFO L158 Benchmark]: RCFGBuilder took 324.60ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 29.1MB in the beginning and 79.9MB in the end (delta: -50.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-08-31 00:06:47,409 INFO L158 Benchmark]: TraceAbstraction took 1470.26ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 51.3MB in the end (delta: 27.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-08-31 00:06:47,409 INFO L158 Benchmark]: Witness Printer took 42.91ms. Allocated memory is still 109.1MB. Free memory was 51.3MB in the beginning and 48.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 00:06:47,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.73ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 32.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.82ms. Allocated memory is still 73.4MB. Free memory was 32.2MB in the beginning and 30.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 73.4MB. Free memory was 30.3MB in the beginning and 29.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.60ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 29.1MB in the beginning and 79.9MB in the end (delta: -50.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1470.26ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 51.3MB in the end (delta: 27.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 42.91ms. Allocated memory is still 109.1MB. Free memory was 51.3MB in the beginning and 48.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.0s, 30 PlacesBefore, 8 PlacesAfterwards, 26 TransitionsBefore, 4 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 22 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 23, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 00:06:47,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE