./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_42-traces-ex-mini_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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/13-privatized_42-traces-ex-mini_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_42-traces-ex-mini_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 14:40:30,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 14:40:30,256 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 14:40:30,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 14:40:30,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 14:40:30,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 14:40:30,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 14:40:30,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 14:40:30,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 14:40:30,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 14:40:30,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 14:40:30,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 14:40:30,293 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 14:40:30,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 14:40:30,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 14:40:30,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 14:40:30,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 14:40:30,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 14:40:30,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 14:40:30,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 14:40:30,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 14:40:30,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 14:40:30,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 14:40:30,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 14:40:30,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 14:40:30,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 14:40:30,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 14:40:30,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 14:40:30,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 14:40:30,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 14:40:30,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:40:30,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 14:40:30,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 14:40:30,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 14:40:30,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 14:40:30,300 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 14:40:30,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 14:40:30,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 14:40:30,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 14:40:30,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 14:40:30,301 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 14:40:30,301 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 14:40:30,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 14:40:30,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 14:40:30,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 14:40:30,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 14:40:30,499 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 14:40:30,499 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 14:40:30,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_42-traces-ex-mini_true.yml/witness.yml [2024-07-22 14:40:30,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 14:40:30,579 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 14:40:30,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-07-22 14:40:31,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 14:40:31,890 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 14:40:31,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-07-22 14:40:31,901 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7133b87c7/04fe3f583f1743539d4e1c291f25686e/FLAG0bf89b49c [2024-07-22 14:40:31,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7133b87c7/04fe3f583f1743539d4e1c291f25686e [2024-07-22 14:40:31,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 14:40:31,911 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 14:40:31,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 14:40:31,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 14:40:31,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 14:40:31,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:40:30" (1/2) ... [2024-07-22 14:40:31,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bc68cd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:40:31, skipping insertion in model container [2024-07-22 14:40:31,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:40:30" (1/2) ... [2024-07-22 14:40:31,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d7667f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 02:40:31, skipping insertion in model container [2024-07-22 14:40:31,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:40:31" (2/2) ... [2024-07-22 14:40:31,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bc68cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:31, skipping insertion in model container [2024-07-22 14:40:31,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:40:31" (2/2) ... [2024-07-22 14:40:31,924 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 14:40:31,949 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 14:40:31,950 INFO L97 edCorrectnessWitness]: Location invariant before [L697-L697] ! multithreaded || (g == 17 || g == 42) [2024-07-22 14:40:31,951 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-07-22 14:40:31,951 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-07-22 14:40:31,951 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 14:40:31,951 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-07-22 14:40:31,951 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-07-22 14:40:31,951 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-07-22 14:40:31,952 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] C_locked = 1; [2024-07-22 14:40:31,952 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 1; [2024-07-22 14:40:31,952 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] C_locked = 0; [2024-07-22 14:40:31,952 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] C_locked = 1; [2024-07-22 14:40:31,952 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-07-22 14:40:31,952 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] multithreaded = 1; [2024-07-22 14:40:31,952 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] A_locked = 0; [2024-07-22 14:40:31,953 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-07-22 14:40:31,953 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] C_locked = 0; [2024-07-22 14:40:31,979 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 14:40:32,206 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:40:32,221 INFO L202 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 [2024-07-22 14:40:32,302 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 14:40:32,335 INFO L206 MainTranslator]: Completed translation [2024-07-22 14:40:32,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32 WrapperNode [2024-07-22 14:40:32,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 14:40:32,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 14:40:32,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 14:40:32,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 14:40:32,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,388 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-07-22 14:40:32,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 14:40:32,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 14:40:32,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 14:40:32,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 14:40:32,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 14:40:32,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 14:40:32,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 14:40:32,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 14:40:32,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (1/1) ... [2024-07-22 14:40:32,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 14:40:32,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:40:32,585 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) [2024-07-22 14:40:32,607 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 [2024-07-22 14:40:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 14:40:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 14:40:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-22 14:40:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-22 14:40:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 14:40:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 14:40:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 14:40:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 14:40:32,625 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 14:40:32,718 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 14:40:32,720 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 14:40:32,881 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 14:40:32,881 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 14:40:32,998 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 14:40:32,999 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 14:40:32,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:40:32 BoogieIcfgContainer [2024-07-22 14:40:32,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 14:40:33,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 14:40:33,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 14:40:33,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 14:40:33,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 02:40:30" (1/4) ... [2024-07-22 14:40:33,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6958bd49 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 02:40:33, skipping insertion in model container [2024-07-22 14:40:33,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:40:31" (2/4) ... [2024-07-22 14:40:33,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6958bd49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:40:33, skipping insertion in model container [2024-07-22 14:40:33,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:40:32" (3/4) ... [2024-07-22 14:40:33,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6958bd49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:40:33, skipping insertion in model container [2024-07-22 14:40:33,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:40:32" (4/4) ... [2024-07-22 14:40:33,008 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2024-07-22 14:40:33,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 14:40:33,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-22 14:40:33,023 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 14:40:33,049 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-22 14:40:33,083 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:40:33,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 14:40:33,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 14:40:33,085 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) [2024-07-22 14:40:33,100 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 [2024-07-22 14:40:33,115 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 14:40:33,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 14:40:33,129 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@765a5a58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 14:40:33,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-07-22 14:40:33,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 14:40:33,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:33,245 INFO L85 PathProgramCache]: Analyzing trace with hash -786331289, now seen corresponding path program 1 times [2024-07-22 14:40:33,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:33,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692891155] [2024-07-22 14:40:33,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:33,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:33,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692891155] [2024-07-22 14:40:33,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692891155] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:33,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:33,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 14:40:33,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841946180] [2024-07-22 14:40:33,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:33,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 14:40:33,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:33,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 14:40:33,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 14:40:33,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:33,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:33,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-07-22 14:40:33,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:33,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:40:33,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 14:40:33,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-22 14:40:33,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 14:40:33,534 INFO L85 PathProgramCache]: Analyzing trace with hash 711163289, now seen corresponding path program 1 times [2024-07-22 14:40:33,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 14:40:33,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419283084] [2024-07-22 14:40:33,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 14:40:33,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 14:40:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 14:40:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 14:40:33,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 14:40:33,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419283084] [2024-07-22 14:40:33,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419283084] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 14:40:33,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 14:40:33,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 14:40:33,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127107944] [2024-07-22 14:40:33,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 14:40:33,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 14:40:33,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 14:40:33,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 14:40:33,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 14:40:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:33,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 14:40:33,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-07-22 14:40:33,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:40:33,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 14:40:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:40:33,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 14:40:33,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-07-22 14:40:33,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-07-22 14:40:33,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 14:40:33,625 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-22 14:40:33,629 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 14:40:33,629 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 14:40:33,631 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-22 14:40:33,632 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-22 14:40:33,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:40:33 BasicIcfg [2024-07-22 14:40:33,633 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 14:40:33,633 INFO L158 Benchmark]: Toolchain (without parser) took 1722.43ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 92.6MB in the beginning and 111.6MB in the end (delta: -19.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-07-22 14:40:33,633 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:40:33,634 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 151.0MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 14:40:33,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.96ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 66.4MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-07-22 14:40:33,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.19ms. Allocated memory is still 151.0MB. Free memory was 66.4MB in the beginning and 64.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 14:40:33,638 INFO L158 Benchmark]: Boogie Preprocessor took 67.70ms. Allocated memory is still 151.0MB. Free memory was 64.5MB in the beginning and 121.1MB in the end (delta: -56.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-07-22 14:40:33,638 INFO L158 Benchmark]: RCFGBuilder took 541.56ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 121.0MB in the beginning and 156.7MB in the end (delta: -35.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-07-22 14:40:33,638 INFO L158 Benchmark]: TraceAbstraction took 631.19ms. Allocated memory is still 213.9MB. Free memory was 155.7MB in the beginning and 111.6MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-07-22 14:40:33,639 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 0.17ms. Allocated memory is still 151.0MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.82ms. Allocated memory is still 151.0MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.96ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 66.4MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.19ms. Allocated memory is still 151.0MB. Free memory was 66.4MB in the beginning and 64.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.70ms. Allocated memory is still 151.0MB. Free memory was 64.5MB in the beginning and 121.1MB in the end (delta: -56.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.56ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 121.0MB in the beginning and 156.7MB in the end (delta: -35.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 631.19ms. Allocated memory is still 213.9MB. Free memory was 155.7MB in the beginning and 111.6MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 104, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 104, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 133, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 104, unknown conditional: 0, unknown unconditional: 104] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 23, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 104, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 132, independent: 123, independent conditional: 27, independent unconditional: 96, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 104, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 104, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 133, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 104, unknown conditional: 0, unknown unconditional: 104] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 697]: 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, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 6, 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, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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! [2024-07-22 14:40:33,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 14:40:33,871 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