./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.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_19-publish-precision_unknown_2_pos.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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --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 00:05:25,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 00:05:25,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 00:05:25,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 00:05:25,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 00:05:25,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 00:05:25,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 00:05:25,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 00:05:25,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 00:05:25,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 00:05:25,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 00:05:25,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 00:05:25,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 00:05:25,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 00:05:25,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 00:05:25,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 00:05:25,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 00:05:25,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 00:05:25,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 00:05:25,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 00:05:25,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 00:05:25,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 00:05:25,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 00:05:25,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 00:05:25,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 00:05:25,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 00:05:25,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 00:05:25,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 00:05:25,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 00:05:25,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 00:05:25,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 00:05:25,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 00:05:25,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 00:05:25,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 00:05:25,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 00:05:25,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 00:05:25,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 00:05:25,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 00:05:25,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 00:05:25,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 00:05:25,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 00:05:25,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-31 00:05:25,660 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 00:05:25,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 00:05:25,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 00:05:25,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 00:05:25,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 00:05:25,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 00:05:25,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 00:05:25,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 00:05:25,663 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 00:05:25,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 00:05:25,664 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 00:05:25,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 00:05:25,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 00:05:25,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 00:05:25,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 00:05:25,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 00:05:25,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 00:05:25,665 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 00:05:25,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 00:05:25,666 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 00:05:25,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 00:05:25,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 00:05:25,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 00:05:25,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 00:05:25,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 00:05:25,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 00:05:25,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 00:05:25,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 00:05:25,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 00:05:25,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 00:05:25,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 00:05:25,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 00:05:25,669 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 00:05:25,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 00:05:25,669 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 00:05:25,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-31 00:05:26,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 00:05:26,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 00:05:26,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 00:05:26,062 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 00:05:26,062 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 00:05:26,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-31 00:05:27,556 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 00:05:27,937 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 00:05:27,938 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-31 00:05:27,956 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a0d5792/46f869aa219c4238a9fc69d0d05cc821/FLAGde0803813 [2023-08-31 00:05:27,979 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a0d5792/46f869aa219c4238a9fc69d0d05cc821 [2023-08-31 00:05:27,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 00:05:27,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 00:05:27,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 00:05:27,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 00:05:27,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 00:05:27,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:05:27" (1/1) ... [2023-08-31 00:05:27,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a32dc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:27, skipping insertion in model container [2023-08-31 00:05:27,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:05:27" (1/1) ... [2023-08-31 00:05:28,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 00:05:28,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 00:05:28,221 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_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-08-31 00:05:28,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 00:05:28,397 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 00:05:28,410 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_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-08-31 00:05:28,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 00:05:28,519 INFO L208 MainTranslator]: Completed translation [2023-08-31 00:05:28,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28 WrapperNode [2023-08-31 00:05:28,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 00:05:28,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 00:05:28,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 00:05:28,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 00:05:28,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,599 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-08-31 00:05:28,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 00:05:28,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 00:05:28,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 00:05:28,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 00:05:28,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 00:05:28,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 00:05:28,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 00:05:28,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 00:05:28,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (1/1) ... [2023-08-31 00:05:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 00:05:28,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 00:05:28,731 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 00:05:28,740 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 00:05:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 00:05:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 00:05:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 00:05:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 00:05:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 00:05:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 00:05:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 00:05:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 00:05:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 00:05:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 00:05:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 00:05:28,800 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 00:05:28,936 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 00:05:28,939 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 00:05:29,104 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 00:05:29,110 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 00:05:29,111 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 00:05:29,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:05:29 BoogieIcfgContainer [2023-08-31 00:05:29,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 00:05:29,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 00:05:29,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 00:05:29,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 00:05:29,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 12:05:27" (1/3) ... [2023-08-31 00:05:29,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9d5eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 12:05:29, skipping insertion in model container [2023-08-31 00:05:29,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:05:28" (2/3) ... [2023-08-31 00:05:29,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9d5eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 12:05:29, skipping insertion in model container [2023-08-31 00:05:29,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:05:29" (3/3) ... [2023-08-31 00:05:29,136 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-31 00:05:29,144 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 00:05:29,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 00:05:29,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-31 00:05:29,167 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 00:05:29,255 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-31 00:05:29,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 138 flow [2023-08-31 00:05:29,366 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2023-08-31 00:05:29,367 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 00:05:29,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 1/64 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2023-08-31 00:05:29,371 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 138 flow [2023-08-31 00:05:29,374 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2023-08-31 00:05:29,395 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 00:05:29,407 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2023-08-31 00:05:29,413 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2023-08-31 00:05:29,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2023-08-31 00:05:29,446 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2023-08-31 00:05:29,447 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 00:05:29,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 00:05:29,448 INFO L119 LiptonReduction]: Number of co-enabled transitions 252 [2023-08-31 00:05:32,979 INFO L134 LiptonReduction]: Checked pairs total: 530 [2023-08-31 00:05:32,979 INFO L136 LiptonReduction]: Total number of compositions: 40 [2023-08-31 00:05:32,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 00:05:32,998 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;@169bc4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 00:05:32,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-31 00:05:33,010 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-08-31 00:05:33,011 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 00:05:33,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 00:05:33,012 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 00:05:33,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-31 00:05:33,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 00:05:33,017 INFO L85 PathProgramCache]: Analyzing trace with hash 6763455, now seen corresponding path program 1 times [2023-08-31 00:05:33,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 00:05:33,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532947726] [2023-08-31 00:05:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 00:05:33,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 00:05:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 00:05:33,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-31 00:05:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 00:05:33,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-31 00:05:33,239 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-31 00:05:33,241 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-08-31 00:05:33,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-31 00:05:33,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 00:05:33,245 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-31 00:05:33,258 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 00:05:33,259 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 00:05:33,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 12:05:33 BasicIcfg [2023-08-31 00:05:33,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 00:05:33,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 00:05:33,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 00:05:33,280 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 00:05:33,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:05:29" (3/4) ... [2023-08-31 00:05:33,282 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-08-31 00:05:33,333 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 00:05:33,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 00:05:33,334 INFO L158 Benchmark]: Toolchain (without parser) took 5350.43ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.6MB in the beginning and 31.5MB in the end (delta: 20.0MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-08-31 00:05:33,334 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 00:05:33,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.05ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 32.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-31 00:05:33,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.87ms. Allocated memory is still 75.5MB. Free memory was 32.5MB in the beginning and 53.9MB in the end (delta: -21.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-08-31 00:05:33,336 INFO L158 Benchmark]: Boogie Preprocessor took 76.34ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 52.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 00:05:33,336 INFO L158 Benchmark]: RCFGBuilder took 443.86ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 39.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 00:05:33,336 INFO L158 Benchmark]: TraceAbstraction took 4147.57ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 33.6MB in the end (delta: 5.9MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-08-31 00:05:33,337 INFO L158 Benchmark]: Witness Printer took 53.91ms. Allocated memory is still 92.3MB. Free memory was 33.6MB in the beginning and 31.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 00:05:33,342 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 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.05ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 32.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.87ms. Allocated memory is still 75.5MB. Free memory was 32.5MB in the beginning and 53.9MB in the end (delta: -21.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.34ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 52.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.86ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 39.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4147.57ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 33.6MB in the end (delta: 5.9MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Witness Printer took 53.91ms. Allocated memory is still 92.3MB. Free memory was 33.6MB in the beginning and 31.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 56 PlacesBefore, 16 PlacesAfterwards, 52 TransitionsBefore, 12 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 40 TotalNumberOfCompositions, 530 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 303, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 143, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 303, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 143, unknown conditional: 0, unknown unconditional: 143] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 81 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: 3.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-31 00:05:33,365 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE