./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.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/protection/13-privatized_67-pthread_cond_wait_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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_neg.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_67-pthread_cond_wait_unknown_1_neg.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-7724a2d-m [2024-06-27 21:39:48,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 21:39:48,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 21:39:48,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 21:39:48,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 21:39:48,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 21:39:48,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 21:39:48,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 21:39:48,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 21:39:48,203 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 21:39:48,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 21:39:48,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 21:39:48,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 21:39:48,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 21:39:48,205 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 21:39:48,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 21:39:48,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 21:39:48,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 21:39:48,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 21:39:48,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 21:39:48,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 21:39:48,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 21:39:48,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 21:39:48,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 21:39:48,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 21:39:48,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 21:39:48,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 21:39:48,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 21:39:48,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 21:39:48,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 21:39:48,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 21:39:48,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 21:39:48,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:39:48,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 21:39:48,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 21:39:48,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 21:39:48,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 21:39:48,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 21:39:48,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 21:39:48,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 21:39:48,210 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 21:39:48,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 21:39:48,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 21:39:48,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 21:39:48,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 21:39:48,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 21:39:48,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 21:39:48,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 21:39:48,460 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 21:39:48,461 INFO L431 ainManager$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_neg.i [2024-06-27 21:39:49,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 21:39:49,796 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 21:39:49,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-06-27 21:39:49,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0206f08/c00074a12e494f40b5b3100d61577d5e/FLAGf23cd862d [2024-06-27 21:39:49,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b0206f08/c00074a12e494f40b5b3100d61577d5e [2024-06-27 21:39:49,833 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 21:39:49,834 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 21:39:49,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_67-pthread_cond_wait_unknown_1_neg.yml/witness.yml [2024-06-27 21:39:49,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 21:39:49,920 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 21:39:49,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 21:39:49,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 21:39:49,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 21:39:49,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:39:49" (1/2) ... [2024-06-27 21:39:49,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249d20ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:39:49, skipping insertion in model container [2024-06-27 21:39:49,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:39:49" (1/2) ... [2024-06-27 21:39:49,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74f683d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:39:49, skipping insertion in model container [2024-06-27 21:39:49,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:39:49" (2/2) ... [2024-06-27 21:39:49,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249d20ef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:49, skipping insertion in model container [2024-06-27 21:39:49,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:39:49" (2/2) ... [2024-06-27 21:39:49,930 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 21:39:49,962 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 21:39:49,963 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] ! multithreaded || (g == 0 || g == 1) [2024-06-27 21:39:49,963 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] ! multithreaded || (g == 0 || g == 1) [2024-06-27 21:39:49,964 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-06-27 21:39:49,964 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 21:39:49,964 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-06-27 21:39:49,964 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-06-27 21:39:49,965 INFO L106 edCorrectnessWitness]: ghost_update [L1364-L1364] mut_locked = 1; [2024-06-27 21:39:49,965 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-06-27 21:39:49,965 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-06-27 21:39:49,965 INFO L106 edCorrectnessWitness]: ghost_update [L1360-L1360] mut_locked = 0; [2024-06-27 21:39:49,965 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-06-27 21:39:50,025 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:39:50,444 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:39:50,455 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 [2024-06-27 21:39:50,509 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:39:50,555 INFO L206 MainTranslator]: Completed translation [2024-06-27 21:39:50,556 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50 WrapperNode [2024-06-27 21:39:50,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 21:39:50,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 21:39:50,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 21:39:50,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 21:39:50,562 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 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,578 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 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,596 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-06-27 21:39:50,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 21:39:50,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 21:39:50,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 21:39:50,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 21:39:50,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,617 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]. [2024-06-27 21:39:50,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 21:39:50,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 21:39:50,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 21:39:50,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 21:39:50,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (1/1) ... [2024-06-27 21:39:50,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:39:50,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 21:39:50,723 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) [2024-06-27 21:39:50,727 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 [2024-06-27 21:39:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-06-27 21:39:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-06-27 21:39:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-06-27 21:39:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-06-27 21:39:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 21:39:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 21:39:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 21:39:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 21:39:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 21:39:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 21:39:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 21:39:50,751 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 21:39:50,977 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 21:39:50,979 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 21:39:51,105 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 21:39:51,105 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 21:39:51,184 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 21:39:51,185 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 21:39:51,185 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 09:39:51 BoogieIcfgContainer [2024-06-27 21:39:51,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 21:39:51,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 21:39:51,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 21:39:51,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 21:39:51,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 09:39:49" (1/4) ... [2024-06-27 21:39:51,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1609fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 09:39:51, skipping insertion in model container [2024-06-27 21:39:51,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:39:49" (2/4) ... [2024-06-27 21:39:51,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1609fd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 09:39:51, skipping insertion in model container [2024-06-27 21:39:51,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:39:50" (3/4) ... [2024-06-27 21:39:51,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1609fd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 09:39:51, skipping insertion in model container [2024-06-27 21:39:51,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 09:39:51" (4/4) ... [2024-06-27 21:39:51,191 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-06-27 21:39:51,205 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 21:39:51,205 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-27 21:39:51,206 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 21:39:51,238 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-27 21:39:51,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 28 transitions, 70 flow [2024-06-27 21:39:51,286 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-06-27 21:39:51,286 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-27 21:39:51,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 26 events. 0/26 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. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-27 21:39:51,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 28 transitions, 70 flow [2024-06-27 21:39:51,290 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 22 transitions, 50 flow [2024-06-27 21:39:51,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 21:39:51,310 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;@7ebd9aad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 21:39:51,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-27 21:39:51,314 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 21:39:51,315 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 21:39:51,315 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 21:39:51,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 21:39:51,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 21:39:51,316 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)] === [2024-06-27 21:39:51,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 21:39:51,321 INFO L85 PathProgramCache]: Analyzing trace with hash 242293931, now seen corresponding path program 1 times [2024-06-27 21:39:51,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 21:39:51,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047276290] [2024-06-27 21:39:51,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 21:39:51,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 21:39:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 21:39:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 21:39:51,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 21:39:51,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047276290] [2024-06-27 21:39:51,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047276290] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 21:39:51,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 21:39:51,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 21:39:51,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122885528] [2024-06-27 21:39:51,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 21:39:51,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 21:39:51,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 21:39:51,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 21:39:51,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 21:39:51,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 28 [2024-06-27 21:39:51,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 22 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 21:39:51,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 21:39:51,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 28 [2024-06-27 21:39:51,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 21:39:51,774 INFO L124 PetriNetUnfolderBase]: 116/249 cut-off events. [2024-06-27 21:39:51,774 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-06-27 21:39:51,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 249 events. 116/249 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 961 event pairs, 74 based on Foata normal form. 41/286 useless extension candidates. Maximal degree in co-relation 505. Up to 185 conditions per place. [2024-06-27 21:39:51,778 INFO L140 encePairwiseOnDemand]: 22/28 looper letters, 23 selfloop transitions, 4 changer transitions 0/30 dead transitions. [2024-06-27 21:39:51,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 30 transitions, 123 flow [2024-06-27 21:39:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 21:39:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 21:39:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2024-06-27 21:39:51,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-06-27 21:39:51,788 INFO L175 Difference]: Start difference. First operand has 29 places, 22 transitions, 50 flow. Second operand 3 states and 48 transitions. [2024-06-27 21:39:51,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 30 transitions, 123 flow [2024-06-27 21:39:51,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-27 21:39:51,794 INFO L231 Difference]: Finished difference. Result has 31 places, 23 transitions, 72 flow [2024-06-27 21:39:51,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=31, PETRI_TRANSITIONS=23} [2024-06-27 21:39:51,798 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2024-06-27 21:39:51,798 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 23 transitions, 72 flow [2024-06-27 21:39:51,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 21:39:51,799 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 21:39:51,799 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 21:39:51,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 21:39:51,799 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)] === [2024-06-27 21:39:51,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 21:39:51,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1639930865, now seen corresponding path program 1 times [2024-06-27 21:39:51,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 21:39:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580696009] [2024-06-27 21:39:51,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 21:39:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 21:39:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 21:39:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 21:39:51,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 21:39:51,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580696009] [2024-06-27 21:39:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580696009] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 21:39:51,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 21:39:51,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 21:39:51,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744293503] [2024-06-27 21:39:51,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 21:39:51,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 21:39:51,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 21:39:51,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 21:39:51,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 21:39:51,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 28 [2024-06-27 21:39:51,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 23 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-06-27 21:39:51,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 21:39:51,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 28 [2024-06-27 21:39:51,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 21:39:51,961 INFO L124 PetriNetUnfolderBase]: 92/189 cut-off events. [2024-06-27 21:39:51,961 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-06-27 21:39:51,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 189 events. 92/189 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 621 event pairs, 59 based on Foata normal form. 9/197 useless extension candidates. Maximal degree in co-relation 431. Up to 144 conditions per place. [2024-06-27 21:39:51,963 INFO L140 encePairwiseOnDemand]: 23/28 looper letters, 0 selfloop transitions, 0 changer transitions 28/28 dead transitions. [2024-06-27 21:39:51,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 130 flow [2024-06-27 21:39:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 21:39:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 21:39:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2024-06-27 21:39:51,966 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2024-06-27 21:39:51,966 INFO L175 Difference]: Start difference. First operand has 31 places, 23 transitions, 72 flow. Second operand 3 states and 45 transitions. [2024-06-27 21:39:51,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 130 flow [2024-06-27 21:39:51,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 28 transitions, 122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-27 21:39:51,969 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2024-06-27 21:39:51,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=56, 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} [2024-06-27 21:39:51,971 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 0 predicate places. [2024-06-27 21:39:51,971 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2024-06-27 21:39:51,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-06-27 21:39:51,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-27 21:39:51,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-27 21:39:51,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-27 21:39:51,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-27 21:39:51,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 21:39:51,979 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-27 21:39:51,982 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 21:39:51,982 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 21:39:51,989 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-27 21:39:51,989 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-27 21:39:51,990 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 09:39:51 BasicIcfg [2024-06-27 21:39:51,990 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 21:39:51,991 INFO L158 Benchmark]: Toolchain (without parser) took 2070.57ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 93.4MB in the beginning and 146.4MB in the end (delta: -53.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-27 21:39:51,991 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:39:51,992 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:39:51,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.78ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 100.0MB in the end (delta: -6.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-06-27 21:39:51,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.09ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 96.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 21:39:51,996 INFO L158 Benchmark]: Boogie Preprocessor took 35.38ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 93.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-27 21:39:51,996 INFO L158 Benchmark]: RCFGBuilder took 552.09ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 61.3MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-27 21:39:51,997 INFO L158 Benchmark]: TraceAbstraction took 803.96ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 60.4MB in the beginning and 146.4MB in the end (delta: -86.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:39:52,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.78ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 100.0MB in the end (delta: -6.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.09ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 96.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.38ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 93.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 552.09ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 61.3MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 803.96ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 60.4MB in the beginning and 146.4MB in the end (delta: -86.1MB). There was no memory consumed. 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, 46 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3 mSDtfsCounter, 74 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=72occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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! [2024-06-27 21:39:52,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE