./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/protection-ghost/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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_17-traces-rpb-litmus_unknown_1_pos.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/36-apron_17-traces-rpb-litmus_unknown_1_pos.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.dk.goblint-eval-da67795-m [2024-08-26 21:22:17,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 21:22:17,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 21:22:17,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 21:22:17,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 21:22:17,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 21:22:17,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 21:22:17,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 21:22:17,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 21:22:17,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 21:22:17,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 21:22:17,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 21:22:17,148 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 21:22:17,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 21:22:17,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 21:22:17,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 21:22:17,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 21:22:17,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 21:22:17,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 21:22:17,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 21:22:17,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 21:22:17,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 21:22:17,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 21:22:17,154 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 21:22:17,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 21:22:17,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 21:22:17,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 21:22:17,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 21:22:17,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 21:22:17,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 21:22:17,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 21:22:17,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 21:22:17,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 21:22:17,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 21:22:17,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 21:22:17,157 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 21:22:17,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 21:22:17,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 21:22:17,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 21:22:17,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 21:22:17,158 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 21:22:17,159 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 21:22:17,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 21:22:17,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 21:22:17,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 21:22:17,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 21:22:17,394 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 21:22:17,394 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 21:22:17,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml [2024-08-26 21:22:17,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 21:22:17,469 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 21:22:17,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-08-26 21:22:18,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 21:22:19,050 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 21:22:19,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-08-26 21:22:19,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b66b9a7a5/da4e372259664d339f1edc189321571d/FLAG9fbd5642b [2024-08-26 21:22:19,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b66b9a7a5/da4e372259664d339f1edc189321571d [2024-08-26 21:22:19,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 21:22:19,431 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 21:22:19,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 21:22:19,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 21:22:19,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 21:22:19,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:22:17" (1/2) ... [2024-08-26 21:22:19,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7641c96e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 09:22:19, skipping insertion in model container [2024-08-26 21:22:19,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:22:17" (1/2) ... [2024-08-26 21:22:19,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68e85430 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 09:22:19, skipping insertion in model container [2024-08-26 21:22:19,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:22:19" (2/2) ... [2024-08-26 21:22:19,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7641c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19, skipping insertion in model container [2024-08-26 21:22:19,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:22:19" (2/2) ... [2024-08-26 21:22:19,442 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 21:22:19,468 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: Location invariant before [L698-L698] ! multithreaded || (g == 17 || g == 42) [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: ghost_update [L689-L689] B_locked = 0; [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: ghost_update [L698-L698] A_locked = 1; [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: ghost_update [L703-L703] B_locked = 1; [2024-08-26 21:22:19,469 INFO L1541 ArrayList]: ghost_update [L707-L707] B_locked = 0; [2024-08-26 21:22:19,470 INFO L1541 ArrayList]: ghost_update [L690-L690] A_locked = 0; [2024-08-26 21:22:19,470 INFO L1541 ArrayList]: ghost_update [L687-L687] B_locked = 1; [2024-08-26 21:22:19,470 INFO L1541 ArrayList]: ghost_update [L699-L699] B_locked = 1; [2024-08-26 21:22:19,470 INFO L1541 ArrayList]: ghost_update [L697-L697] multithreaded = 1; [2024-08-26 21:22:19,470 INFO L1541 ArrayList]: ghost_update [L708-L708] A_locked = 0; [2024-08-26 21:22:19,470 INFO L1541 ArrayList]: ghost_update [L686-L686] A_locked = 1; [2024-08-26 21:22:19,470 INFO L1541 ArrayList]: ghost_update [L702-L702] B_locked = 0; [2024-08-26 21:22:19,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 21:22:19,789 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 21:22:19,800 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 [2024-08-26 21:22:19,871 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 21:22:19,901 INFO L206 MainTranslator]: Completed translation [2024-08-26 21:22:19,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19 WrapperNode [2024-08-26 21:22:19,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 21:22:19,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 21:22:19,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 21:22:19,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 21:22:19,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,934 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-08-26 21:22:19,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 21:22:19,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 21:22:19,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 21:22:19,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 21:22:19,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 21:22:19,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 21:22:19,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 21:22:19,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 21:22:19,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (1/1) ... [2024-08-26 21:22:19,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 21:22:19,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 21:22:19,983 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) [2024-08-26 21:22:19,988 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 [2024-08-26 21:22:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 21:22:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 21:22:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-26 21:22:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-26 21:22:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 21:22:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 21:22:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 21:22:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 21:22:20,023 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 21:22:20,169 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 21:22:20,171 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 21:22:20,361 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 21:22:20,362 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 21:22:20,498 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 21:22:20,498 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 21:22:20,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:22:20 BoogieIcfgContainer [2024-08-26 21:22:20,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 21:22:20,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 21:22:20,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 21:22:20,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 21:22:20,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:22:17" (1/4) ... [2024-08-26 21:22:20,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a6b09 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 09:22:20, skipping insertion in model container [2024-08-26 21:22:20,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 09:22:19" (2/4) ... [2024-08-26 21:22:20,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a6b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:22:20, skipping insertion in model container [2024-08-26 21:22:20,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:22:19" (3/4) ... [2024-08-26 21:22:20,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a6b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:22:20, skipping insertion in model container [2024-08-26 21:22:20,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:22:20" (4/4) ... [2024-08-26 21:22:20,511 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-08-26 21:22:20,525 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 21:22:20,525 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-26 21:22:20,525 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 21:22:20,544 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-26 21:22:20,572 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:22:20,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 21:22:20,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 21:22:20,575 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) [2024-08-26 21:22:20,576 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 [2024-08-26 21:22:20,599 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 21:22:20,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 21:22:20,614 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;@124e4c18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:22:20,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-26 21:22:20,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-26 21:22:20,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:22:20,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1157852844, now seen corresponding path program 1 times [2024-08-26 21:22:20,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:22:20,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40544002] [2024-08-26 21:22:20,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:22:20,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:22:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:22:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:22:20,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:22:20,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40544002] [2024-08-26 21:22:20,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40544002] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:22:20,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:22:20,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 21:22:20,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458769642] [2024-08-26 21:22:20,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:22:20,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:22:20,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:22:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:22:20,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:22:20,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:22:20,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:22:20,948 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) [2024-08-26 21:22:20,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:22:20,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:22:20,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-26 21:22:20,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-26 21:22:20,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 21:22:20,999 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-26 21:22:21,002 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 21:22:21,003 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 21:22:21,009 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-26 21:22:21,009 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-26 21:22:21,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 09:22:21 BasicIcfg [2024-08-26 21:22:21,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 21:22:21,011 INFO L158 Benchmark]: Toolchain (without parser) took 1580.44ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 99.6MB in the beginning and 138.7MB in the end (delta: -39.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-08-26 21:22:21,011 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:22:21,012 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:22:21,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.42ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 74.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-26 21:22:21,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.07ms. Allocated memory is still 159.4MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:22:21,012 INFO L158 Benchmark]: Boogie Preprocessor took 18.17ms. Allocated memory is still 159.4MB. Free memory was 72.3MB in the beginning and 71.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:22:21,013 INFO L158 Benchmark]: RCFGBuilder took 544.34ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 71.1MB in the beginning and 173.4MB in the end (delta: -102.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-08-26 21:22:21,016 INFO L158 Benchmark]: TraceAbstraction took 510.81ms. Allocated memory is still 228.6MB. Free memory was 173.4MB in the beginning and 138.7MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-08-26 21:22:21,018 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 0.16ms. Allocated memory is still 159.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.42ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 74.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.07ms. Allocated memory is still 159.4MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.17ms. Allocated memory is still 159.4MB. Free memory was 72.3MB in the beginning and 71.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 544.34ms. Allocated memory was 159.4MB in the beginning and 228.6MB in the end (delta: 69.2MB). Free memory was 71.1MB in the beginning and 173.4MB in the end (delta: -102.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 510.81ms. Allocated memory is still 228.6MB. Free memory was 173.4MB in the beginning and 138.7MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 147, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, 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: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 147, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - PositiveResult [Line: 698]: 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, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 21:22:21,050 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 [2024-08-26 21:22:21,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE