./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:17:37,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:17:37,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:17:37,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:17:37,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:17:37,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:17:37,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:17:37,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:17:37,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:17:37,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:17:37,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:17:37,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:17:37,216 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:17:37,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:17:37,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:17:37,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:17:37,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:17:37,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:17:37,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:17:37,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:17:37,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:17:37,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:17:37,224 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:17:37,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:17:37,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:17:37,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:17:37,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:17:37,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:17:37,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:17:37,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:17:37,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:37,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:17:37,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:17:37,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:17:37,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:17:37,227 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:17:37,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:17:37,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:17:37,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:17:37,230 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:17:37,230 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:17:37,231 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:17:37,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:17:37,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:17:37,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:17:37,503 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:17:37,504 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:17:37,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml [2024-09-07 21:17:37,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:17:37,596 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:17:37,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-09-07 21:17:39,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:17:39,297 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:17:39,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-09-07 21:17:39,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3efee13ef/2d1c803839494e238a3685670c6e60de/FLAG8ca771f46 [2024-09-07 21:17:39,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3efee13ef/2d1c803839494e238a3685670c6e60de [2024-09-07 21:17:39,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:17:39,601 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:17:39,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:39,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:17:39,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:17:39,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:37" (1/2) ... [2024-09-07 21:17:39,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ed5a1b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:39, skipping insertion in model container [2024-09-07 21:17:39,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:37" (1/2) ... [2024-09-07 21:17:39,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d239700 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:39, skipping insertion in model container [2024-09-07 21:17:39,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:39" (2/2) ... [2024-09-07 21:17:39,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ed5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:39, skipping insertion in model container [2024-09-07 21:17:39,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:39" (2/2) ... [2024-09-07 21:17:39,654 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:17:39,655 INFO L1541 ArrayList]: Location invariant before [L735-L735] ((((! multithreaded || (B_locked || (-999 <= g && -999 <= h))) && (! multithreaded || -999 <= g)) && (! multithreaded || -1016 <= h)) && (! multithreaded || (A_locked || (-1016 <= h && -999 <= g)))) && (! multithreaded || -968 <= i) [2024-09-07 21:17:39,655 INFO L1541 ArrayList]: ghost_variable C_locked = 0 [2024-09-07 21:17:39,655 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-07 21:17:39,655 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:17:39,655 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-09-07 21:17:39,655 INFO L1541 ArrayList]: ghost_update [L714-L714] C_locked = 1; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L715-L715] A_locked = 1; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L736-L736] A_locked = 1; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L740-L740] A_locked = 0; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L719-L719] B_locked = 1; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L744-L744] B_locked = 0; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L745-L745] C_locked = 1; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L721-L721] B_locked = 0; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L726-L726] C_locked = 0; [2024-09-07 21:17:39,656 INFO L1541 ArrayList]: ghost_update [L735-L735] B_locked = 1; [2024-09-07 21:17:39,657 INFO L1541 ArrayList]: ghost_update [L725-L725] A_locked = 0; [2024-09-07 21:17:39,657 INFO L1541 ArrayList]: ghost_update [L747-L747] C_locked = 0; [2024-09-07 21:17:39,657 INFO L1541 ArrayList]: ghost_update [L743-L743] A_locked = 0; [2024-09-07 21:17:39,657 INFO L1541 ArrayList]: ghost_update [L734-L734] multithreaded = 1; [2024-09-07 21:17:39,657 INFO L1541 ArrayList]: ghost_update [L741-L741] A_locked = 1; [2024-09-07 21:17:39,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:17:40,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:40,040 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:17:40,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:40,192 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:17:40,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40 WrapperNode [2024-09-07 21:17:40,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:40,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:40,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:17:40,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:17:40,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,237 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 190 [2024-09-07 21:17:40,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:40,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:17:40,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:17:40,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:17:40,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:17:40,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:17:40,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:17:40,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:17:40,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (1/1) ... [2024-09-07 21:17:40,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:40,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 21:17:40,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 21:17:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-07 21:17:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:17:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-07 21:17:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-07 21:17:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:17:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-07 21:17:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:17:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:17:40,351 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:17:40,466 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:17:40,467 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:17:40,775 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:17:40,775 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:17:41,010 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:17:41,010 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-07 21:17:41,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:41 BoogieIcfgContainer [2024-09-07 21:17:41,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:17:41,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:17:41,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:17:41,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:17:41,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:37" (1/4) ... [2024-09-07 21:17:41,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e934b80 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:17:41, skipping insertion in model container [2024-09-07 21:17:41,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:17:39" (2/4) ... [2024-09-07 21:17:41,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e934b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:41, skipping insertion in model container [2024-09-07 21:17:41,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:40" (3/4) ... [2024-09-07 21:17:41,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e934b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:41, skipping insertion in model container [2024-09-07 21:17:41,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:41" (4/4) ... [2024-09-07 21:17:41,021 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-09-07 21:17:41,037 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:17:41,038 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-07 21:17:41,038 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:17:41,077 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-07 21:17:41,120 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:41,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:17:41,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:41,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 21:17:41,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 21:17:41,152 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:17:41,161 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:17:41,166 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@52c8caa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:41,166 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-07 21:17:41,311 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-07 21:17:41,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:41,316 INFO L85 PathProgramCache]: Analyzing trace with hash 154446331, now seen corresponding path program 1 times [2024-09-07 21:17:41,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:41,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191094810] [2024-09-07 21:17:41,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:41,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:17:42,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:42,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191094810] [2024-09-07 21:17:42,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191094810] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:42,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:42,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-07 21:17:42,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685733103] [2024-09-07 21:17:42,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:42,026 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:17:42,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:42,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:17:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-07 21:17:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:42,050 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:42,051 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-09-07 21:17:42,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:42,163 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:17:42,163 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-07 21:17:42,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:42,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1523860252, now seen corresponding path program 1 times [2024-09-07 21:17:42,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:42,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586815752] [2024-09-07 21:17:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:42,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:17:42,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:42,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586815752] [2024-09-07 21:17:42,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586815752] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:42,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:42,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-07 21:17:42,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619463080] [2024-09-07 21:17:42,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:42,341 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:17:42,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:42,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:17:42,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:17:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:42,343 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:42,344 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-09-07 21:17:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:42,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:17:42,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:42,421 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-07 21:17:42,422 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-09-07 21:17:42,422 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-07 21:17:42,431 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-07 21:17:42,435 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:17:42,435 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:17:42,437 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-07 21:17:42,437 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-07 21:17:42,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:17:42 BasicIcfg [2024-09-07 21:17:42,438 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:17:42,439 INFO L158 Benchmark]: Toolchain (without parser) took 2838.48ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 88.6MB in the beginning and 68.5MB in the end (delta: 20.1MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2024-09-07 21:17:42,439 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:42,440 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 146.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:17:42,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.18ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 88.6MB in the beginning and 153.1MB in the end (delta: -64.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-07 21:17:42,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.48ms. Allocated memory is still 188.7MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:17:42,442 INFO L158 Benchmark]: Boogie Preprocessor took 35.87ms. Allocated memory is still 188.7MB. Free memory was 150.0MB in the beginning and 147.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:17:42,443 INFO L158 Benchmark]: RCFGBuilder took 736.86ms. Allocated memory is still 188.7MB. Free memory was 147.9MB in the beginning and 86.0MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-07 21:17:42,443 INFO L158 Benchmark]: TraceAbstraction took 1424.59ms. Allocated memory is still 188.7MB. Free memory was 86.0MB in the beginning and 68.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-07 21:17:42,448 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.89ms. Allocated memory is still 146.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.18ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 88.6MB in the beginning and 153.1MB in the end (delta: -64.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.48ms. Allocated memory is still 188.7MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.87ms. Allocated memory is still 188.7MB. Free memory was 150.0MB in the beginning and 147.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 736.86ms. Allocated memory is still 188.7MB. Free memory was 147.9MB in the beginning and 86.0MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1424.59ms. Allocated memory is still 188.7MB. Free memory was 86.0MB in the beginning and 68.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 297, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 294, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 294, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 295, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 295, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 295, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 245, independent: 233, independent conditional: 0, independent unconditional: 233, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 245, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 58, dependent conditional: 10, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 295, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 245, unknown conditional: 1, unknown unconditional: 244] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 233, Positive conditional cache size: 0, Positive unconditional cache size: 233, Negative cache size: 12, Negative conditional cache size: 1, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50, Maximal queried relation: 1, Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 36, Number of trivial persistent sets: 36, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244, independent: 233, independent conditional: 0, independent unconditional: 233, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 297, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 294, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 294, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 295, independent: 282, independent conditional: 49, independent unconditional: 233, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 295, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 295, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 245, independent: 233, independent conditional: 0, independent unconditional: 233, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 245, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 58, dependent conditional: 10, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 295, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 245, unknown conditional: 1, unknown unconditional: 244] , Statistics on independence cache: Total cache size (in pairs): 245, Positive cache size: 233, Positive conditional cache size: 0, Positive unconditional cache size: 233, Negative cache size: 12, Negative conditional cache size: 1, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50, Maximal queried relation: 1, Independence queries for same thread: 3 - PositiveResult [Line: 735]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 58 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2024-09-07 21:17:42,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:17:42,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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