./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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/13-privatized_19-publish-precision_unknown_1_neg.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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 21:31:56,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 21:31:56,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 21:31:56,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 21:31:56,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 21:31:56,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 21:31:56,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 21:31:56,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 21:31:56,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 21:31:56,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 21:31:56,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 21:31:56,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 21:31:56,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 21:31:56,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 21:31:56,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 21:31:56,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 21:31:56,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 21:31:56,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 21:31:56,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 21:31:56,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 21:31:56,261 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 21:31:56,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 21:31:56,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 21:31:56,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 21:31:56,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 21:31:56,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 21:31:56,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 21:31:56,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 21:31:56,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 21:31:56,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 21:31:56,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 21:31:56,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 21:31:56,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 21:31:56,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 21:31:56,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 21:31:56,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 21:31:56,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 21:31:56,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 21:31:56,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 21:31:56,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 21:31:56,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 21:31:56,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 21:31:56,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 21:31:56,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 21:31:56,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 21:31:56,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 21:31:56,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 21:31:56,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 21:31:56,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 21:31:56,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 21:31:56,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 21:31:56,305 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 21:31:56,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 21:31:56,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 21:31:56,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 21:31:56,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 21:31:56,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 21:31:56,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 21:31:56,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 21:31:56,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 21:31:56,307 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 21:31:56,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 21:31:56,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 21:31:56,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 21:31:56,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 21:31:56,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 21:31:56,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 21:31:56,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:31:56,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 21:31:56,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 21:31:56,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 21:31:56,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 21:31:56,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 21:31:56,310 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 21:31:56,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 21:31:56,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 21:31:56,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2022-07-22 21:31:56,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 21:31:56,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 21:31:56,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 21:31:56,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 21:31:56,517 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 21:31:56,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-07-22 21:31:56,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c841e51d3/d2b22eb6b4b341f09249b73066f26221/FLAGc0f4bc4be [2022-07-22 21:31:56,941 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 21:31:56,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2022-07-22 21:31:56,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c841e51d3/d2b22eb6b4b341f09249b73066f26221/FLAGc0f4bc4be [2022-07-22 21:31:57,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c841e51d3/d2b22eb6b4b341f09249b73066f26221 [2022-07-22 21:31:57,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 21:31:57,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 21:31:57,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 21:31:57,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 21:31:57,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 21:31:57,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb66c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57, skipping insertion in model container [2022-07-22 21:31:57,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 21:31:57,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 21:31:57,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-07-22 21:31:57,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 21:31:57,537 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 21:31:57,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[1103,1116] [2022-07-22 21:31:57,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 21:31:57,621 INFO L208 MainTranslator]: Completed translation [2022-07-22 21:31:57,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57 WrapperNode [2022-07-22 21:31:57,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 21:31:57,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 21:31:57,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 21:31:57,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 21:31:57,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,658 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-07-22 21:31:57,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 21:31:57,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 21:31:57,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 21:31:57,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 21:31:57,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 21:31:57,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 21:31:57,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 21:31:57,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 21:31:57,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (1/1) ... [2022-07-22 21:31:57,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:31:57,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 21:31:57,713 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) [2022-07-22 21:31:57,714 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 [2022-07-22 21:31:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 21:31:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 21:31:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-22 21:31:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 21:31:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 21:31:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-22 21:31:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-22 21:31:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 21:31:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 21:31:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 21:31:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 21:31:57,739 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 21:31:57,805 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 21:31:57,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 21:31:57,903 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 21:31:57,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 21:31:57,908 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 21:31:57,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:31:57 BoogieIcfgContainer [2022-07-22 21:31:57,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 21:31:57,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 21:31:57,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 21:31:57,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 21:31:57,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 09:31:57" (1/3) ... [2022-07-22 21:31:57,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138449fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:31:57, skipping insertion in model container [2022-07-22 21:31:57,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:31:57" (2/3) ... [2022-07-22 21:31:57,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138449fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:31:57, skipping insertion in model container [2022-07-22 21:31:57,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:31:57" (3/3) ... [2022-07-22 21:31:57,915 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2022-07-22 21:31:57,919 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-22 21:31:57,925 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 21:31:57,925 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 21:31:57,925 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-22 21:31:57,955 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-22 21:31:57,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-07-22 21:31:58,010 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2022-07-22 21:31:58,010 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-22 21:31:58,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-07-22 21:31:58,013 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-07-22 21:31:58,016 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-07-22 21:31:58,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 21:31:58,029 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@493d04f2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@581f5c7b [2022-07-22 21:31:58,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-22 21:31:58,059 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2022-07-22 21:31:58,062 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-22 21:31:58,063 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-22 21:31:58,063 INFO L200 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 21:31:58,064 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-07-22 21:31:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 21:31:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-07-22 21:31:58,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 21:31:58,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177198751] [2022-07-22 21:31:58,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 21:31:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 21:31:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 21:31:58,194 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 21:31:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 21:31:58,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 21:31:58,230 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 21:31:58,231 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-22 21:31:58,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-07-22 21:31:58,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 21:31:58,233 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-22 21:31:58,238 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-22 21:31:58,238 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 21:31:58,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 09:31:58 BasicIcfg [2022-07-22 21:31:58,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 21:31:58,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 21:31:58,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 21:31:58,257 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 21:31:58,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:31:57" (3/4) ... [2022-07-22 21:31:58,259 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-22 21:31:58,295 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 21:31:58,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 21:31:58,296 INFO L158 Benchmark]: Toolchain (without parser) took 963.82ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 53.3MB in the beginning and 77.5MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:31:58,297 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 70.6MB in the beginning and 70.5MB in the end (delta: 111.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:31:58,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.15ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 53.1MB in the beginning and 83.6MB in the end (delta: -30.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-07-22 21:31:58,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.71ms. Allocated memory is still 115.3MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 21:31:58,301 INFO L158 Benchmark]: Boogie Preprocessor took 29.86ms. Allocated memory is still 115.3MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:31:58,301 INFO L158 Benchmark]: RCFGBuilder took 220.39ms. Allocated memory is still 115.3MB. Free memory was 80.8MB in the beginning and 68.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 21:31:58,302 INFO L158 Benchmark]: TraceAbstraction took 346.03ms. Allocated memory is still 115.3MB. Free memory was 68.2MB in the beginning and 80.4MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:31:58,302 INFO L158 Benchmark]: Witness Printer took 37.85ms. Allocated memory is still 115.3MB. Free memory was 80.4MB in the beginning and 77.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 21:31:58,306 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 92.3MB. Free memory was 70.6MB in the beginning and 70.5MB in the end (delta: 111.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.15ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 53.1MB in the beginning and 83.6MB in the end (delta: -30.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.71ms. Allocated memory is still 115.3MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.86ms. Allocated memory is still 115.3MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 220.39ms. Allocated memory is still 115.3MB. Free memory was 80.8MB in the beginning and 68.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 346.03ms. Allocated memory is still 115.3MB. Free memory was 68.2MB in the beginning and 80.4MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.85ms. Allocated memory is still 115.3MB. Free memory was 80.4MB in the beginning and 77.5MB 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: - 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; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [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, 87 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 42 NumberOfCodeBlocks, 42 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! [2022-07-22 21:31:58,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE