./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 --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/13-privatized_42-traces-ex-mini_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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.2024-08-08_07-59-58.files/protection-ghost/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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 13:02:06,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 13:02:06,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 13:02:06,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 13:02:06,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 13:02:06,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 13:02:06,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 13:02:06,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 13:02:06,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 13:02:06,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 13:02:06,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 13:02:06,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 13:02:06,391 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 13:02:06,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 13:02:06,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 13:02:06,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 13:02:06,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 13:02:06,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 13:02:06,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 13:02:06,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 13:02:06,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 13:02:06,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 13:02:06,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 13:02:06,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 13:02:06,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 13:02:06,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 13:02:06,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 13:02:06,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 13:02:06,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 13:02:06,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 13:02:06,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:02:06,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 13:02:06,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 13:02:06,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 13:02:06,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 13:02:06,399 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 13:02:06,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 13:02:06,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 13:02:06,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 13:02:06,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 13:02:06,400 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 13:02:06,402 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 13:02:06,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-23 13:02:06,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 13:02:06,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 13:02:06,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 13:02:06,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 13:02:06,620 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 13:02:06,620 INFO L431 ainManager$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 [2024-08-23 13:02:07,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 13:02:07,973 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 13:02:07,973 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-08-23 13:02:07,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b24e5412d/3a72896ee2a64376a96723b12a26e5f1/FLAG0b08042ae [2024-08-23 13:02:07,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b24e5412d/3a72896ee2a64376a96723b12a26e5f1 [2024-08-23 13:02:07,994 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 13:02:07,995 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 13:02:07,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/13-privatized_42-traces-ex-mini_true.yml/witness.yml [2024-08-23 13:02:08,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 13:02:08,079 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 13:02:08,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 13:02:08,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 13:02:08,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 13:02:08,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:02:07" (1/2) ... [2024-08-23 13:02:08,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df67313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:02:08, skipping insertion in model container [2024-08-23 13:02:08,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:02:07" (1/2) ... [2024-08-23 13:02:08,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c5098a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:02:08, skipping insertion in model container [2024-08-23 13:02:08,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:02:08" (2/2) ... [2024-08-23 13:02:08,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df67313 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08, skipping insertion in model container [2024-08-23 13:02:08,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:02:08" (2/2) ... [2024-08-23 13:02:08,090 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 13:02:08,121 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 13:02:08,122 INFO L97 edCorrectnessWitness]: Location invariant before [L697-L697] ! multithreaded || (g == 17 || g == 42) [2024-08-23 13:02:08,122 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 13:02:08,122 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-08-23 13:02:08,123 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-08-23 13:02:08,123 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-08-23 13:02:08,123 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-08-23 13:02:08,123 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] multithreaded = 1; [2024-08-23 13:02:08,124 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] C_locked = 1; [2024-08-23 13:02:08,124 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] A_locked = 0; [2024-08-23 13:02:08,124 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] C_locked = 0; [2024-08-23 13:02:08,124 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-08-23 13:02:08,124 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] C_locked = 0; [2024-08-23 13:02:08,124 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-08-23 13:02:08,124 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-08-23 13:02:08,125 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] C_locked = 1; [2024-08-23 13:02:08,125 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 1; [2024-08-23 13:02:08,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 13:02:08,298 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i[1091,1104] [2024-08-23 13:02:08,403 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:02:08,413 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 13:02:08,445 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i[1091,1104] 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 [2024-08-23 13:02:08,480 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:02:08,505 INFO L206 MainTranslator]: Completed translation [2024-08-23 13:02:08,506 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08 WrapperNode [2024-08-23 13:02:08,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 13:02:08,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 13:02:08,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 13:02:08,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 13:02:08,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,566 INFO L138 Inliner]: procedures = 162, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-08-23 13:02:08,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 13:02:08,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 13:02:08,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 13:02:08,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 13:02:08,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 13:02:08,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 13:02:08,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 13:02:08,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 13:02:08,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (1/1) ... [2024-08-23 13:02:08,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:02:08,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:02:08,632 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) [2024-08-23 13:02:08,634 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 [2024-08-23 13:02:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-23 13:02:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 13:02:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-23 13:02:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-23 13:02:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 13:02:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-23 13:02:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 13:02:08,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 13:02:08,663 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 13:02:08,781 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 13:02:08,783 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 13:02:08,944 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 13:02:08,944 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 13:02:09,055 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 13:02:09,055 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-23 13:02:09,055 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:02:09 BoogieIcfgContainer [2024-08-23 13:02:09,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 13:02:09,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 13:02:09,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 13:02:09,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 13:02:09,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 01:02:07" (1/4) ... [2024-08-23 13:02:09,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49872dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:02:09, skipping insertion in model container [2024-08-23 13:02:09,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:02:08" (2/4) ... [2024-08-23 13:02:09,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49872dfe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 01:02:09, skipping insertion in model container [2024-08-23 13:02:09,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:02:08" (3/4) ... [2024-08-23 13:02:09,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49872dfe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 01:02:09, skipping insertion in model container [2024-08-23 13:02:09,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:02:09" (4/4) ... [2024-08-23 13:02:09,064 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2024-08-23 13:02:09,082 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 13:02:09,082 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-23 13:02:09,082 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 13:02:09,107 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 13:02:09,137 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:02:09,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 13:02:09,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:02:09,140 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) [2024-08-23 13:02:09,141 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 [2024-08-23 13:02:09,168 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 13:02:09,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 13:02:09,188 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;@32213e19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:02:09,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-23 13:02:09,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:02:09,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:02:09,286 INFO L85 PathProgramCache]: Analyzing trace with hash 142807114, now seen corresponding path program 1 times [2024-08-23 13:02:09,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:02:09,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662955705] [2024-08-23 13:02:09,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:02:09,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:02:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:02:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:02:09,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:02:09,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662955705] [2024-08-23 13:02:09,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662955705] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:02:09,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:02:09,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 13:02:09,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363439026] [2024-08-23 13:02:09,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:02:09,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 13:02:09,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:02:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 13:02:09,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 13:02:09,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:09,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:02:09,576 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) [2024-08-23 13:02:09,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:09,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:09,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 13:02:09,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:02:09,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:02:09,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1673173237, now seen corresponding path program 1 times [2024-08-23 13:02:09,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:02:09,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796745589] [2024-08-23 13:02:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:02:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:02:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:02:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:02:09,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:02:09,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796745589] [2024-08-23 13:02:09,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796745589] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:02:09,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:02:09,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 13:02:09,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277441521] [2024-08-23 13:02:09,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:02:09,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:02:09,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:02:09,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:02:09,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:02:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:09,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:02:09,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-08-23 13:02:09,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:09,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:02:09,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 13:02:09,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:02:09,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:02:09,856 INFO L85 PathProgramCache]: Analyzing trace with hash -763520142, now seen corresponding path program 1 times [2024-08-23 13:02:09,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:02:09,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158699402] [2024-08-23 13:02:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:02:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:02:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:02:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:02:09,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:02:09,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158699402] [2024-08-23 13:02:09,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158699402] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:02:09,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:02:09,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 13:02:09,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888123122] [2024-08-23 13:02:09,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:02:09,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 13:02:09,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:02:09,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 13:02:09,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 13:02:09,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:09,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:02:09,892 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) [2024-08-23 13:02:09,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:09,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:02:09,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:02:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:09,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 13:02:09,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-23 13:02:09,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:02:09,956 INFO L85 PathProgramCache]: Analyzing trace with hash 808184173, now seen corresponding path program 2 times [2024-08-23 13:02:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:02:09,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781479590] [2024-08-23 13:02:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:02:09,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:02:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:02:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:02:10,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:02:10,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781479590] [2024-08-23 13:02:10,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781479590] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:02:10,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:02:10,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 13:02:10,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853591596] [2024-08-23 13:02:10,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:02:10,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 13:02:10,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:02:10,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 13:02:10,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-23 13:02:10,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:10,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:02:10,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-08-23 13:02:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:02:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:02:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:02:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:02:10,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:02:10,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-08-23 13:02:10,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-08-23 13:02:10,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-23 13:02:10,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-23 13:02:10,263 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-08-23 13:02:10,267 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 13:02:10,267 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 13:02:10,269 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-23 13:02:10,269 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-23 13:02:10,270 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 01:02:10 BasicIcfg [2024-08-23 13:02:10,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 13:02:10,270 INFO L158 Benchmark]: Toolchain (without parser) took 2190.66ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 81.8MB in the beginning and 106.1MB in the end (delta: -24.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-08-23 13:02:10,270 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 13:02:10,270 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 13:02:10,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.39ms. Allocated memory is still 159.4MB. Free memory was 81.8MB in the beginning and 55.6MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-23 13:02:10,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.16ms. Allocated memory is still 159.4MB. Free memory was 55.6MB in the beginning and 127.1MB in the end (delta: -71.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-23 13:02:10,271 INFO L158 Benchmark]: Boogie Preprocessor took 37.23ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 127.1MB in the beginning and 203.4MB in the end (delta: -76.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-08-23 13:02:10,272 INFO L158 Benchmark]: RCFGBuilder took 448.82ms. Allocated memory is still 234.9MB. Free memory was 203.4MB in the beginning and 173.0MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-08-23 13:02:10,272 INFO L158 Benchmark]: TraceAbstraction took 1212.06ms. Allocated memory is still 234.9MB. Free memory was 172.0MB in the beginning and 106.1MB in the end (delta: 65.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-08-23 13:02:10,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.39ms. Allocated memory is still 159.4MB. Free memory was 81.8MB in the beginning and 55.6MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.16ms. Allocated memory is still 159.4MB. Free memory was 55.6MB in the beginning and 127.1MB in the end (delta: -71.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.23ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 127.1MB in the beginning and 203.4MB in the end (delta: -76.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 448.82ms. Allocated memory is still 234.9MB. Free memory was 203.4MB in the beginning and 173.0MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1212.06ms. Allocated memory is still 234.9MB. Free memory was 172.0MB in the beginning and 106.1MB in the end (delta: 65.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 411, independent: 359, independent conditional: 142, independent unconditional: 217, dependent: 52, dependent conditional: 30, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391, independent: 359, independent conditional: 142, independent unconditional: 217, dependent: 32, dependent conditional: 10, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 391, independent: 359, independent conditional: 142, independent unconditional: 217, dependent: 32, dependent conditional: 10, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 411, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 52, dependent conditional: 18, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 411, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 52, dependent conditional: 3, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 411, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 52, dependent conditional: 3, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, independent: 221, independent conditional: 2, independent unconditional: 219, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, independent: 77, independent conditional: 6, independent unconditional: 71, dependent: 56, dependent conditional: 8, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 411, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 246, unknown conditional: 5, unknown unconditional: 241] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 221, Positive conditional cache size: 2, Positive unconditional cache size: 219, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 2, Independence queries for same thread: 20 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 90, Number of trivial persistent sets: 90, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 239, independent: 217, independent conditional: 0, independent unconditional: 217, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 411, independent: 359, independent conditional: 142, independent unconditional: 217, dependent: 52, dependent conditional: 30, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 391, independent: 359, independent conditional: 142, independent unconditional: 217, dependent: 32, dependent conditional: 10, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 391, independent: 359, independent conditional: 142, independent unconditional: 217, dependent: 32, dependent conditional: 10, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 411, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 52, dependent conditional: 18, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 411, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 52, dependent conditional: 3, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 411, independent: 359, independent conditional: 2, independent unconditional: 357, dependent: 52, dependent conditional: 3, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, independent: 221, independent conditional: 2, independent unconditional: 219, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 246, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, independent: 77, independent conditional: 6, independent unconditional: 71, dependent: 56, dependent conditional: 8, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 411, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 246, unknown conditional: 5, unknown unconditional: 241] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 221, Positive conditional cache size: 2, Positive unconditional cache size: 219, Negative cache size: 25, Negative conditional cache size: 3, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 2, Independence queries for same thread: 20 - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 44 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, 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: 14, 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, 0.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-23 13:02:10,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-23 13:02:10,498 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