./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_67-pthread_cond_wait_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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_unknown_1_pos.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_67-pthread_cond_wait_unknown_1_pos.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-bcb38a6-m [2024-06-04 18:17:52,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 18:17:52,881 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 18:17:52,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 18:17:52,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 18:17:52,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 18:17:52,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 18:17:52,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 18:17:52,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 18:17:52,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 18:17:52,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 18:17:52,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 18:17:52,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 18:17:52,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 18:17:52,921 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 18:17:52,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 18:17:52,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 18:17:52,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 18:17:52,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 18:17:52,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 18:17:52,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 18:17:52,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 18:17:52,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 18:17:52,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 18:17:52,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 18:17:52,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 18:17:52,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 18:17:52,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 18:17:52,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 18:17:52,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 18:17:52,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 18:17:52,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 18:17:52,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 18:17:52,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 18:17:52,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 18:17:52,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 18:17:52,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 18:17:52,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 18:17:52,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 18:17:52,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 18:17:52,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 18:17:52,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 18:17:52,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 18:17:52,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 18:17:53,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 18:17:53,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 18:17:53,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 18:17:53,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 18:17:53,169 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 18:17:53,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-06-04 18:17:54,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 18:17:54,359 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 18:17:54,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-06-04 18:17:54,374 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a70b031a/0fe4e19ccdab4591b5ad1558fa79da81/FLAGff9678d68 [2024-06-04 18:17:54,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a70b031a/0fe4e19ccdab4591b5ad1558fa79da81 [2024-06-04 18:17:54,394 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 18:17:54,395 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 18:17:54,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_67-pthread_cond_wait_unknown_1_pos.yml/witness.yml [2024-06-04 18:17:54,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 18:17:54,500 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 18:17:54,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 18:17:54,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 18:17:54,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 18:17:54,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 06:17:54" (1/2) ... [2024-06-04 18:17:54,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206e01a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 06:17:54, skipping insertion in model container [2024-06-04 18:17:54,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 06:17:54" (1/2) ... [2024-06-04 18:17:54,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e15846d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 06:17:54, skipping insertion in model container [2024-06-04 18:17:54,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 06:17:54" (2/2) ... [2024-06-04 18:17:54,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206e01a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:54, skipping insertion in model container [2024-06-04 18:17:54,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 06:17:54" (2/2) ... [2024-06-04 18:17:54,512 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 18:17:54,561 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 18:17:54,562 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] (! multithreaded || (mut_locked || ((0 <= g && g <= 1) && (g == 0 || g == 1)))) && (! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1))) [2024-06-04 18:17:54,562 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] (! multithreaded || (mut_locked || ((0 <= g && g <= 1) && (g == 0 || g == 1)))) && (! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1))) [2024-06-04 18:17:54,563 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-06-04 18:17:54,563 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 18:17:54,563 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-06-04 18:17:54,563 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-06-04 18:17:54,563 INFO L106 edCorrectnessWitness]: ghost_update [L1360-L1360] mut_locked = 0; [2024-06-04 18:17:54,563 INFO L106 edCorrectnessWitness]: ghost_update [L1364-L1364] mut_locked = 1; [2024-06-04 18:17:54,563 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-06-04 18:17:54,564 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-06-04 18:17:54,564 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-06-04 18:17:54,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 18:17:54,976 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 18:17:54,986 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 [2024-06-04 18:17:55,070 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 18:17:55,127 INFO L206 MainTranslator]: Completed translation [2024-06-04 18:17:55,128 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55 WrapperNode [2024-06-04 18:17:55,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 18:17:55,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 18:17:55,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 18:17:55,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 18:17:55,134 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 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,151 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 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,167 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-06-04 18:17:55,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 18:17:55,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 18:17:55,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 18:17:55,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 18:17:55,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,189 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]. [2024-06-04 18:17:55,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 18:17:55,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 18:17:55,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 18:17:55,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 18:17:55,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (1/1) ... [2024-06-04 18:17:55,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 18:17:55,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 18:17:55,226 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) [2024-06-04 18:17:55,243 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 [2024-06-04 18:17:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-06-04 18:17:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-06-04 18:17:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-06-04 18:17:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-06-04 18:17:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-04 18:17:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-04 18:17:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 18:17:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 18:17:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-04 18:17:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 18:17:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 18:17:55,272 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 18:17:55,484 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 18:17:55,485 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 18:17:55,650 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 18:17:55,650 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 18:17:55,708 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 18:17:55,708 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-04 18:17:55,709 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 06:17:55 BoogieIcfgContainer [2024-06-04 18:17:55,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 18:17:55,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 18:17:55,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 18:17:55,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 18:17:55,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 06:17:54" (1/4) ... [2024-06-04 18:17:55,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79813658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 06:17:55, skipping insertion in model container [2024-06-04 18:17:55,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 06:17:54" (2/4) ... [2024-06-04 18:17:55,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79813658 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 06:17:55, skipping insertion in model container [2024-06-04 18:17:55,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 06:17:55" (3/4) ... [2024-06-04 18:17:55,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79813658 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 06:17:55, skipping insertion in model container [2024-06-04 18:17:55,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 06:17:55" (4/4) ... [2024-06-04 18:17:55,715 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-06-04 18:17:55,727 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 18:17:55,728 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-04 18:17:55,728 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 18:17:55,761 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-04 18:17:55,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 72 flow [2024-06-04 18:17:55,797 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-04 18:17:55,797 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-04 18:17:55,799 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. [2024-06-04 18:17:55,799 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 72 flow [2024-06-04 18:17:55,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 52 flow [2024-06-04 18:17:55,812 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 18:17:55,817 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;@f6f0431, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 18:17:55,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-04 18:17:55,820 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 18:17:55,821 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-04 18:17:55,821 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 18:17:55,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 18:17:55,821 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-04 18:17:55,822 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)] === [2024-06-04 18:17:55,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 18:17:55,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1093591743, now seen corresponding path program 1 times [2024-06-04 18:17:55,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 18:17:55,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313743884] [2024-06-04 18:17:55,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 18:17:55,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 18:17:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 18:17:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 18:17:56,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 18:17:56,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313743884] [2024-06-04 18:17:56,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313743884] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 18:17:56,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 18:17:56,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 18:17:56,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080926318] [2024-06-04 18:17:56,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 18:17:56,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 18:17:56,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 18:17:56,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 18:17:56,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 18:17:56,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-04 18:17:56,248 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) [2024-06-04 18:17:56,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 18:17:56,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-04 18:17:56,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 18:17:56,361 INFO L124 PetriNetUnfolderBase]: 179/353 cut-off events. [2024-06-04 18:17:56,362 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-04 18:17:56,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 353 events. 179/353 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1482 event pairs, 101 based on Foata normal form. 34/381 useless extension candidates. Maximal degree in co-relation 710. Up to 229 conditions per place. [2024-06-04 18:17:56,368 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 28 selfloop transitions, 4 changer transitions 0/34 dead transitions. [2024-06-04 18:17:56,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 34 transitions, 141 flow [2024-06-04 18:17:56,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 18:17:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 18:17:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-06-04 18:17:56,378 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5632183908045977 [2024-06-04 18:17:56,379 INFO L175 Difference]: Start difference. First operand has 30 places, 23 transitions, 52 flow. Second operand 3 states and 49 transitions. [2024-06-04 18:17:56,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 34 transitions, 141 flow [2024-06-04 18:17:56,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-04 18:17:56,383 INFO L231 Difference]: Finished difference. Result has 32 places, 25 transitions, 78 flow [2024-06-04 18:17:56,384 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2024-06-04 18:17:56,388 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2024-06-04 18:17:56,388 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 78 flow [2024-06-04 18:17:56,388 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) [2024-06-04 18:17:56,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 18:17:56,389 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 18:17:56,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 18:17:56,389 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)] === [2024-06-04 18:17:56,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 18:17:56,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1843080263, now seen corresponding path program 1 times [2024-06-04 18:17:56,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 18:17:56,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234457306] [2024-06-04 18:17:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 18:17:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 18:17:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 18:17:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 18:17:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 18:17:56,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234457306] [2024-06-04 18:17:56,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234457306] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 18:17:56,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 18:17:56,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-04 18:17:56,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616225606] [2024-06-04 18:17:56,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 18:17:56,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 18:17:56,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 18:17:56,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 18:17:56,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 18:17:56,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-04 18:17:56,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 78 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) [2024-06-04 18:17:56,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 18:17:56,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-04 18:17:56,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 18:17:56,619 INFO L124 PetriNetUnfolderBase]: 110/221 cut-off events. [2024-06-04 18:17:56,619 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-06-04 18:17:56,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 221 events. 110/221 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 793 event pairs, 68 based on Foata normal form. 24/242 useless extension candidates. Maximal degree in co-relation 508. Up to 137 conditions per place. [2024-06-04 18:17:56,622 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 28/28 dead transitions. [2024-06-04 18:17:56,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 28 transitions, 128 flow [2024-06-04 18:17:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 18:17:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 18:17:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2024-06-04 18:17:56,625 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5057471264367817 [2024-06-04 18:17:56,625 INFO L175 Difference]: Start difference. First operand has 32 places, 25 transitions, 78 flow. Second operand 3 states and 44 transitions. [2024-06-04 18:17:56,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 28 transitions, 128 flow [2024-06-04 18:17:56,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 28 transitions, 119 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-04 18:17:56,629 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2024-06-04 18:17:56,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2024-06-04 18:17:56,631 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -1 predicate places. [2024-06-04 18:17:56,632 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2024-06-04 18:17:56,632 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) [2024-06-04 18:17:56,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-04 18:17:56,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-04 18:17:56,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-04 18:17:56,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-04 18:17:56,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-04 18:17:56,639 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-04 18:17:56,644 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 18:17:56,644 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 18:17:56,650 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-04 18:17:56,650 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-04 18:17:56,651 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 06:17:56 BasicIcfg [2024-06-04 18:17:56,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 18:17:56,652 INFO L158 Benchmark]: Toolchain (without parser) took 2151.35ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 67.6MB in the beginning and 126.3MB in the end (delta: -58.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 18:17:56,652 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 18:17:56,652 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 18:17:56,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.52ms. Allocated memory is still 144.7MB. Free memory was 67.3MB in the beginning and 72.0MB in the end (delta: -4.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-06-04 18:17:56,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.60ms. Allocated memory is still 144.7MB. Free memory was 71.3MB in the beginning and 68.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-04 18:17:56,656 INFO L158 Benchmark]: Boogie Preprocessor took 37.39ms. Allocated memory is still 144.7MB. Free memory was 68.4MB in the beginning and 64.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 18:17:56,657 INFO L158 Benchmark]: RCFGBuilder took 503.01ms. Allocated memory is still 144.7MB. Free memory was 64.9MB in the beginning and 97.4MB in the end (delta: -32.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-06-04 18:17:56,657 INFO L158 Benchmark]: TraceAbstraction took 940.87ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 97.1MB in the beginning and 126.3MB in the end (delta: -29.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-06-04 18:17:56,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 144.7MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.52ms. Allocated memory is still 144.7MB. Free memory was 67.3MB in the beginning and 72.0MB in the end (delta: -4.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.60ms. Allocated memory is still 144.7MB. Free memory was 71.3MB in the beginning and 68.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.39ms. Allocated memory is still 144.7MB. Free memory was 68.4MB in the beginning and 64.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.01ms. Allocated memory is still 144.7MB. Free memory was 64.9MB in the beginning and 97.4MB in the end (delta: -32.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 940.87ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 97.1MB in the beginning and 126.3MB in the end (delta: -29.2MB). Peak memory consumption was 11.7MB. 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, 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, 82 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 3 mSDtfsCounter, 82 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=78occurred 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! [2024-06-04 18:17:56,686 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