./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_35-traces-ex-2_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb4cb34f 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_35-traces-ex-2_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_35-traces-ex-2_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-eb4cb34-m [2024-06-21 20:26:08,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-21 20:26:08,914 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-21 20:26:08,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-21 20:26:08,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-21 20:26:08,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-21 20:26:08,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-21 20:26:08,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-21 20:26:08,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-21 20:26:08,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-21 20:26:08,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-21 20:26:08,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-21 20:26:08,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-21 20:26:08,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-21 20:26:08,950 INFO L153 SettingsManager]: * Use SBE=true [2024-06-21 20:26:08,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-21 20:26:08,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-21 20:26:08,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-21 20:26:08,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-21 20:26:08,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-21 20:26:08,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-21 20:26:08,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-21 20:26:08,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-21 20:26:08,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-21 20:26:08,952 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-21 20:26:08,952 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-21 20:26:08,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-21 20:26:08,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-21 20:26:08,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-21 20:26:08,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-21 20:26:08,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-21 20:26:08,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-21 20:26:08,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 20:26:08,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-21 20:26:08,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-21 20:26:08,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-21 20:26:08,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-21 20:26:08,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-21 20:26:08,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-21 20:26:08,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-21 20:26:08,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-21 20:26:08,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-21 20:26:08,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-21 20:26:08,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-21 20:26:09,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-21 20:26:09,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-21 20:26:09,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-21 20:26:09,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-21 20:26:09,140 INFO L274 PluginConnector]: CDTParser initialized [2024-06-21 20:26:09,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i [2024-06-21 20:26:10,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-21 20:26:10,294 INFO L384 CDTParser]: Found 1 translation units. [2024-06-21 20:26:10,295 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i [2024-06-21 20:26:10,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17df9f483/61c207518357401790232b1dfb14b0f6/FLAG622912440 [2024-06-21 20:26:10,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17df9f483/61c207518357401790232b1dfb14b0f6 [2024-06-21 20:26:10,316 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-21 20:26:10,324 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-21 20:26:10,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_35-traces-ex-2_true.yml/witness.yml [2024-06-21 20:26:10,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-21 20:26:10,428 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-21 20:26:10,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-21 20:26:10,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-21 20:26:10,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-21 20:26:10,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 08:26:10" (1/2) ... [2024-06-21 20:26:10,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456eb025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 08:26:10, skipping insertion in model container [2024-06-21 20:26:10,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 08:26:10" (1/2) ... [2024-06-21 20:26:10,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4900563a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 08:26:10, skipping insertion in model container [2024-06-21 20:26:10,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:26:10" (2/2) ... [2024-06-21 20:26:10,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456eb025 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10, skipping insertion in model container [2024-06-21 20:26:10,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:26:10" (2/2) ... [2024-06-21 20:26:10,437 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-21 20:26:10,466 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-21 20:26:10,467 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (g == 0 || g == 1)) && (! multithreaded || (B_locked || (g == 0 || g == 1)))) && (! multithreaded || (A_locked || g == 0)) [2024-06-21 20:26:10,467 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-21 20:26:10,467 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-21 20:26:10,468 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-21 20:26:10,468 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] A_locked = 1; [2024-06-21 20:26:10,468 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-21 20:26:10,469 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-06-21 20:26:10,469 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] A_locked = 0; [2024-06-21 20:26:10,469 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-06-21 20:26:10,469 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 0; [2024-06-21 20:26:10,469 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-21 20:26:10,469 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 0; [2024-06-21 20:26:10,469 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-21 20:26:10,470 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] A_locked = 0; [2024-06-21 20:26:10,470 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] A_locked = 1; [2024-06-21 20:26:10,504 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-21 20:26:10,790 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 20:26:10,803 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-21 20:26:10,886 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 20:26:10,923 INFO L206 MainTranslator]: Completed translation [2024-06-21 20:26:10,924 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10 WrapperNode [2024-06-21 20:26:10,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-21 20:26:10,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-21 20:26:10,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-21 20:26:10,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-21 20:26:10,931 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 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:10,953 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 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:10,973 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-06-21 20:26:10,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-21 20:26:10,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-21 20:26:10,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-21 20:26:10,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-21 20:26:10,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:10,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:10,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:10,999 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-21 20:26:10,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:10,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:11,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:11,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:11,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:11,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:11,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-21 20:26:11,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-21 20:26:11,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-21 20:26:11,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-21 20:26:11,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (1/1) ... [2024-06-21 20:26:11,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 20:26:11,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-21 20:26:11,049 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) [2024-06-21 20:26:11,056 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 [2024-06-21 20:26:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-21 20:26:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-21 20:26:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-21 20:26:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-21 20:26:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-21 20:26:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-21 20:26:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-21 20:26:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-21 20:26:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-21 20:26:11,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-21 20:26:11,085 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-21 20:26:11,176 INFO L244 CfgBuilder]: Building ICFG [2024-06-21 20:26:11,178 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-21 20:26:11,365 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-21 20:26:11,366 INFO L293 CfgBuilder]: Performing block encoding [2024-06-21 20:26:11,480 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-21 20:26:11,480 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-21 20:26:11,481 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 08:26:11 BoogieIcfgContainer [2024-06-21 20:26:11,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-21 20:26:11,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-21 20:26:11,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-21 20:26:11,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-21 20:26:11,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 08:26:10" (1/4) ... [2024-06-21 20:26:11,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd19286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 08:26:11, skipping insertion in model container [2024-06-21 20:26:11,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:26:10" (2/4) ... [2024-06-21 20:26:11,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd19286 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 08:26:11, skipping insertion in model container [2024-06-21 20:26:11,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:10" (3/4) ... [2024-06-21 20:26:11,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd19286 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 08:26:11, skipping insertion in model container [2024-06-21 20:26:11,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 08:26:11" (4/4) ... [2024-06-21 20:26:11,490 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_35-traces-ex-2_true.i [2024-06-21 20:26:11,504 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-21 20:26:11,504 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-21 20:26:11,504 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-21 20:26:11,534 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-21 20:26:11,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 60 flow [2024-06-21 20:26:11,595 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-21 20:26:11,595 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 20:26:11,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-21 20:26:11,597 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 28 transitions, 60 flow [2024-06-21 20:26:11,600 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-21 20:26:11,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-21 20:26:11,617 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;@3949bbf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-21 20:26:11,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-21 20:26:11,622 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-21 20:26:11,622 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-21 20:26:11,622 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 20:26:11,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 20:26:11,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-21 20:26:11,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 20:26:11,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 20:26:11,628 INFO L85 PathProgramCache]: Analyzing trace with hash 222608318, now seen corresponding path program 1 times [2024-06-21 20:26:11,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 20:26:11,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35779103] [2024-06-21 20:26:11,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 20:26:11,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 20:26:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 20:26:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 20:26:11,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 20:26:11,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35779103] [2024-06-21 20:26:11,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35779103] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 20:26:11,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 20:26:11,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-21 20:26:11,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263052718] [2024-06-21 20:26:11,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 20:26:11,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 20:26:11,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 20:26:11,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 20:26:11,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 20:26:11,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 28 [2024-06-21 20:26:11,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-06-21 20:26:11,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 20:26:11,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 28 [2024-06-21 20:26:11,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 20:26:11,905 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-21 20:26:11,905 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 20:26:11,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 11/47 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/52 useless extension candidates. Maximal degree in co-relation 81. Up to 25 conditions per place. [2024-06-21 20:26:11,906 INFO L140 encePairwiseOnDemand]: 24/28 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-21 20:26:11,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-21 20:26:11,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 20:26:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 20:26:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-06-21 20:26:11,914 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-21 20:26:11,915 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 42 transitions. [2024-06-21 20:26:11,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-21 20:26:11,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-21 20:26:11,919 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-21 20:26:11,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-21 20:26:11,922 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-21 20:26:11,922 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-21 20:26:11,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-06-21 20:26:11,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 20:26:11,923 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-21 20:26:11,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-21 20:26:11,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 20:26:11,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 20:26:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1642731775, now seen corresponding path program 1 times [2024-06-21 20:26:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 20:26:11,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067788221] [2024-06-21 20:26:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 20:26:11,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 20:26:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 20:26:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 20:26:12,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 20:26:12,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067788221] [2024-06-21 20:26:12,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067788221] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 20:26:12,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 20:26:12,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-21 20:26:12,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144005505] [2024-06-21 20:26:12,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 20:26:12,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-21 20:26:12,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 20:26:12,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-21 20:26:12,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-21 20:26:12,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 28 [2024-06-21 20:26:12,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 49 flow. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-06-21 20:26:12,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 20:26:12,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 28 [2024-06-21 20:26:12,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 20:26:12,088 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-21 20:26:12,089 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-21 20:26:12,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 38 events. 9/38 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 35 event pairs, 2 based on Foata normal form. 3/41 useless extension candidates. Maximal degree in co-relation 69. Up to 12 conditions per place. [2024-06-21 20:26:12,089 INFO L140 encePairwiseOnDemand]: 21/28 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-21 20:26:12,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 79 flow [2024-06-21 20:26:12,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-21 20:26:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-21 20:26:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 64 transitions. [2024-06-21 20:26:12,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2024-06-21 20:26:12,091 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 6 states and 64 transitions. [2024-06-21 20:26:12,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 79 flow [2024-06-21 20:26:12,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 20:26:12,092 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-06-21 20:26:12,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2024-06-21 20:26:12,093 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2024-06-21 20:26:12,093 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-06-21 20:26:12,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-06-21 20:26:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-21 20:26:12,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-21 20:26:12,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-21 20:26:12,096 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-21 20:26:12,098 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-21 20:26:12,098 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-21 20:26:12,101 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-21 20:26:12,101 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-21 20:26:12,102 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 08:26:12 BasicIcfg [2024-06-21 20:26:12,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-21 20:26:12,103 INFO L158 Benchmark]: Toolchain (without parser) took 1674.46ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 89.3MB in the beginning and 168.8MB in the end (delta: -79.5MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-06-21 20:26:12,103 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 20:26:12,103 INFO L158 Benchmark]: Witness Parser took 0.40ms. Allocated memory is still 148.9MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 20:26:12,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.78ms. Allocated memory is still 148.9MB. Free memory was 89.3MB in the beginning and 63.4MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-21 20:26:12,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.54ms. Allocated memory is still 148.9MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 20:26:12,104 INFO L158 Benchmark]: Boogie Preprocessor took 46.92ms. Allocated memory is still 148.9MB. Free memory was 61.3MB in the beginning and 118.5MB in the end (delta: -57.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-06-21 20:26:12,104 INFO L158 Benchmark]: RCFGBuilder took 459.78ms. Allocated memory is still 148.9MB. Free memory was 118.5MB in the beginning and 91.4MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-21 20:26:12,104 INFO L158 Benchmark]: TraceAbstraction took 618.24ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 90.6MB in the beginning and 168.8MB in the end (delta: -78.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-06-21 20:26:12,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 110.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.40ms. Allocated memory is still 148.9MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.78ms. Allocated memory is still 148.9MB. Free memory was 89.3MB in the beginning and 63.4MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.54ms. Allocated memory is still 148.9MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.92ms. Allocated memory is still 148.9MB. Free memory was 61.3MB in the beginning and 118.5MB in the end (delta: -57.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 459.78ms. Allocated memory is still 148.9MB. Free memory was 118.5MB in the beginning and 91.4MB in the end (delta: 27.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 618.24ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 90.6MB in the beginning and 168.8MB in the end (delta: -78.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 44 locations, 2 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-21 20:26:12,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE