./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-cde23df-m [2024-06-14 13:41:18,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 13:41:18,421 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 13:41:18,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 13:41:18,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 13:41:18,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 13:41:18,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 13:41:18,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 13:41:18,463 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 13:41:18,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 13:41:18,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 13:41:18,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 13:41:18,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 13:41:18,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 13:41:18,469 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 13:41:18,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 13:41:18,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 13:41:18,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 13:41:18,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 13:41:18,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 13:41:18,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 13:41:18,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 13:41:18,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 13:41:18,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 13:41:18,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 13:41:18,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 13:41:18,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 13:41:18,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 13:41:18,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 13:41:18,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 13:41:18,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 13:41:18,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 13:41:18,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:41:18,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 13:41:18,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 13:41:18,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 13:41:18,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 13:41:18,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 13:41:18,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 13:41:18,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 13:41:18,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 13:41:18,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 13:41:18,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 13:41:18,478 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 13:41:18,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 13:41:18,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 13:41:18,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 13:41:18,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 13:41:18,781 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 13:41:18,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-06-14 13:41:19,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 13:41:20,259 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 13:41:20,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-06-14 13:41:20,285 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8daf665e/80802847ff4042ff9707ca3261bff654/FLAG964334094 [2024-06-14 13:41:20,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8daf665e/80802847ff4042ff9707ca3261bff654 [2024-06-14 13:41:20,301 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 13:41:20,302 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 13:41:20,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_true.yml/witness.yml [2024-06-14 13:41:20,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 13:41:20,415 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 13:41:20,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 13:41:20,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 13:41:20,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 13:41:20,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:41:20" (1/2) ... [2024-06-14 13:41:20,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376ca110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:20, skipping insertion in model container [2024-06-14 13:41:20,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 01:41:20" (1/2) ... [2024-06-14 13:41:20,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1576582c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 01:41:20, skipping insertion in model container [2024-06-14 13:41:20,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:20" (2/2) ... [2024-06-14 13:41:20,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376ca110 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:20, skipping insertion in model container [2024-06-14 13:41:20,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:20" (2/2) ... [2024-06-14 13:41:20,427 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 13:41:20,471 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 13:41:20,473 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] ! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1)) [2024-06-14 13:41:20,473 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] ! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1)) [2024-06-14 13:41:20,473 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 13:41:20,473 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-06-14 13:41:20,473 INFO L106 edCorrectnessWitness]: ghost_update [L1365-L1365] mut_locked = 1; [2024-06-14 13:41:20,474 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-06-14 13:41:20,474 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-06-14 13:41:20,474 INFO L106 edCorrectnessWitness]: ghost_update [L1361-L1361] mut_locked = 0; [2024-06-14 13:41:20,475 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-06-14 13:41:20,475 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-06-14 13:41:20,475 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-06-14 13:41:20,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 13:41:20,980 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:41:20,995 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 [2024-06-14 13:41:21,086 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 13:41:21,174 INFO L206 MainTranslator]: Completed translation [2024-06-14 13:41:21,174 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21 WrapperNode [2024-06-14 13:41:21,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 13:41:21,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 13:41:21,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 13:41:21,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 13:41:21,182 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 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,200 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 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,228 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-06-14 13:41:21,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 13:41:21,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 13:41:21,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 13:41:21,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 13:41:21,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,261 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-06-14 13:41:21,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 13:41:21,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 13:41:21,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 13:41:21,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 13:41:21,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (1/1) ... [2024-06-14 13:41:21,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 13:41:21,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 13:41:21,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-14 13:41:21,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-14 13:41:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-06-14 13:41:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-06-14 13:41:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-06-14 13:41:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-06-14 13:41:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 13:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 13:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 13:41:21,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 13:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 13:41:21,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 13:41:21,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 13:41:21,387 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 13:41:21,624 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 13:41:21,626 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 13:41:21,812 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 13:41:21,813 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 13:41:21,898 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 13:41:21,898 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 13:41:21,899 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:41:21 BoogieIcfgContainer [2024-06-14 13:41:21,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 13:41:21,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 13:41:21,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 13:41:21,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 13:41:21,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 01:41:20" (1/4) ... [2024-06-14 13:41:21,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349503f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 01:41:21, skipping insertion in model container [2024-06-14 13:41:21,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 01:41:20" (2/4) ... [2024-06-14 13:41:21,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349503f6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 01:41:21, skipping insertion in model container [2024-06-14 13:41:21,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 01:41:21" (3/4) ... [2024-06-14 13:41:21,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349503f6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 01:41:21, skipping insertion in model container [2024-06-14 13:41:21,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 01:41:21" (4/4) ... [2024-06-14 13:41:21,907 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-06-14 13:41:21,923 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 13:41:21,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-14 13:41:21,923 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 13:41:21,968 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-14 13:41:22,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 72 flow [2024-06-14 13:41:22,035 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-14 13:41:22,035 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-14 13:41:22,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 0/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-14 13:41:22,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 72 flow [2024-06-14 13:41:22,041 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 52 flow [2024-06-14 13:41:22,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 13:41:22,066 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=PETRI_NET, 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;@2e90359e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 13:41:22,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-14 13:41:22,072 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 13:41:22,072 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 13:41:22,073 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 13:41:22,073 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:41:22,074 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 13:41:22,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-14 13:41:22,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:41:22,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1093532161, now seen corresponding path program 1 times [2024-06-14 13:41:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:41:22,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004139205] [2024-06-14 13:41:22,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:41:22,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:41:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:41:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 13:41:22,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:41:22,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004139205] [2024-06-14 13:41:22,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004139205] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:41:22,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:41:22,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 13:41:22,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850823155] [2024-06-14 13:41:22,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:41:22,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:41:22,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:41:22,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:41:22,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:41:22,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-14 13:41:22,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 23 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 13:41:22,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:41:22,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-14 13:41:22,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:41:22,671 INFO L124 PetriNetUnfolderBase]: 170/343 cut-off events. [2024-06-14 13:41:22,672 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-14 13:41:22,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 343 events. 170/343 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1464 event pairs, 101 based on Foata normal form. 43/380 useless extension candidates. Maximal degree in co-relation 691. Up to 220 conditions per place. [2024-06-14 13:41:22,678 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 27 selfloop transitions, 4 changer transitions 0/33 dead transitions. [2024-06-14 13:41:22,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 33 transitions, 137 flow [2024-06-14 13:41:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:41:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:41:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-06-14 13:41:22,689 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5632183908045977 [2024-06-14 13:41:22,691 INFO L175 Difference]: Start difference. First operand has 30 places, 23 transitions, 52 flow. Second operand 3 states and 49 transitions. [2024-06-14 13:41:22,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 33 transitions, 137 flow [2024-06-14 13:41:22,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 33 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 13:41:22,695 INFO L231 Difference]: Finished difference. Result has 32 places, 24 transitions, 74 flow [2024-06-14 13:41:22,697 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2024-06-14 13:41:22,703 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2024-06-14 13:41:22,703 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 74 flow [2024-06-14 13:41:22,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 13:41:22,703 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 13:41:22,704 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 13:41:22,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 13:41:22,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-14 13:41:22,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 13:41:22,705 INFO L85 PathProgramCache]: Analyzing trace with hash -68072901, now seen corresponding path program 1 times [2024-06-14 13:41:22,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 13:41:22,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992375770] [2024-06-14 13:41:22,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 13:41:22,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 13:41:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 13:41:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 13:41:22,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 13:41:22,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992375770] [2024-06-14 13:41:22,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992375770] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 13:41:22,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 13:41:22,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 13:41:22,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014944748] [2024-06-14 13:41:22,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 13:41:22,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 13:41:22,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 13:41:22,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 13:41:22,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 13:41:22,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-14 13:41:22,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-06-14 13:41:22,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 13:41:22,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-14 13:41:22,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 13:41:22,950 INFO L124 PetriNetUnfolderBase]: 131/259 cut-off events. [2024-06-14 13:41:22,950 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-06-14 13:41:22,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 259 events. 131/259 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 983 event pairs, 77 based on Foata normal form. 18/274 useless extension candidates. Maximal degree in co-relation 597. Up to 176 conditions per place. [2024-06-14 13:41:22,955 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2024-06-14 13:41:22,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 31 transitions, 144 flow [2024-06-14 13:41:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 13:41:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 13:41:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-14 13:41:22,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5287356321839081 [2024-06-14 13:41:22,957 INFO L175 Difference]: Start difference. First operand has 32 places, 24 transitions, 74 flow. Second operand 3 states and 46 transitions. [2024-06-14 13:41:22,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 31 transitions, 144 flow [2024-06-14 13:41:22,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 13:41:22,962 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2024-06-14 13:41:22,962 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2024-06-14 13:41:22,965 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 0 predicate places. [2024-06-14 13:41:22,965 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2024-06-14 13:41:22,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-06-14 13:41:22,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-14 13:41:22,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-14 13:41:22,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-14 13:41:22,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-14 13:41:22,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 13:41:22,974 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 13:41:22,977 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 13:41:22,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 13:41:22,985 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-14 13:41:22,986 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-14 13:41:22,986 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 01:41:22 BasicIcfg [2024-06-14 13:41:22,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 13:41:22,988 INFO L158 Benchmark]: Toolchain (without parser) took 2571.76ms. Allocated memory was 178.3MB in the beginning and 241.2MB in the end (delta: 62.9MB). Free memory was 116.6MB in the beginning and 180.0MB in the end (delta: -63.3MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-06-14 13:41:22,988 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:22,988 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 13:41:22,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.95ms. Allocated memory is still 178.3MB. Free memory was 116.6MB in the beginning and 70.0MB in the end (delta: 46.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-06-14 13:41:22,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.19ms. Allocated memory is still 178.3MB. Free memory was 70.0MB in the beginning and 67.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 13:41:22,993 INFO L158 Benchmark]: Boogie Preprocessor took 58.01ms. Allocated memory is still 178.3MB. Free memory was 67.1MB in the beginning and 64.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 13:41:22,993 INFO L158 Benchmark]: RCFGBuilder took 610.66ms. Allocated memory is still 178.3MB. Free memory was 63.8MB in the beginning and 126.1MB in the end (delta: -62.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-14 13:41:22,994 INFO L158 Benchmark]: TraceAbstraction took 1085.90ms. Allocated memory was 178.3MB in the beginning and 241.2MB in the end (delta: 62.9MB). Free memory was 124.9MB in the beginning and 180.0MB in the end (delta: -55.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-06-14 13:41:22,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.95ms. Allocated memory is still 178.3MB. Free memory was 116.6MB in the beginning and 70.0MB in the end (delta: 46.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.19ms. Allocated memory is still 178.3MB. Free memory was 70.0MB in the beginning and 67.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.01ms. Allocated memory is still 178.3MB. Free memory was 67.1MB in the beginning and 64.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.66ms. Allocated memory is still 178.3MB. Free memory was 63.8MB in the beginning and 126.1MB in the end (delta: -62.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1085.90ms. Allocated memory was 178.3MB in the beginning and 241.2MB in the end (delta: 62.9MB). Free memory was 124.9MB in the beginning and 180.0MB in the end (delta: -55.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1376]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1378]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 3 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-14 13:41:23,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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