./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_34-traces-minepp-L-needs-to-be-um_true.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_34-traces-minepp-L-needs-to-be-um_true.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-03 20:56:57,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 20:56:57,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 20:56:57,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 20:56:57,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 20:56:57,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 20:56:57,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 20:56:57,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 20:56:57,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 20:56:57,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 20:56:57,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 20:56:57,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 20:56:57,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 20:56:57,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 20:56:57,969 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 20:56:57,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 20:56:57,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 20:56:57,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 20:56:57,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 20:56:57,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 20:56:57,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 20:56:57,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 20:56:57,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 20:56:57,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 20:56:57,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 20:56:57,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 20:56:57,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 20:56:57,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 20:56:57,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 20:56:57,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 20:56:57,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 20:56:57,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 20:56:57,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:56:57,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 20:56:57,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 20:56:57,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 20:56:57,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 20:56:57,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 20:56:57,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 20:56:57,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 20:56:57,977 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 20:56:57,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 20:56:57,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 20:56:57,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 20:56:58,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 20:56:58,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 20:56:58,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 20:56:58,226 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 20:56:58,234 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 20:56:58,235 INFO L431 ainManager$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_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml [2024-06-03 20:56:58,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 20:56:58,350 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 20:56:58,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-06-03 20:56:59,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 20:56:59,567 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 20:56:59,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-06-03 20:56:59,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1785c4eac/5af851cd795f45038df19fc454901ec8/FLAG89b501535 [2024-06-03 20:56:59,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1785c4eac/5af851cd795f45038df19fc454901ec8 [2024-06-03 20:56:59,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 20:56:59,597 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 20:56:59,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 20:56:59,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 20:56:59,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 20:56:59,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:56:58" (1/2) ... [2024-06-03 20:56:59,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7173fea9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:56:59, skipping insertion in model container [2024-06-03 20:56:59,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:56:58" (1/2) ... [2024-06-03 20:56:59,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@307f6237 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 08:56:59, skipping insertion in model container [2024-06-03 20:56:59,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:56:59" (2/2) ... [2024-06-03 20:56:59,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7173fea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:56:59, skipping insertion in model container [2024-06-03 20:56:59,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 08:56:59" (2/2) ... [2024-06-03 20:56:59,609 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 20:56:59,641 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 20:56:59,642 INFO L97 edCorrectnessWitness]: Location invariant before [L702-L702] (((! multithreaded || (B_locked || g == 42)) && (! multithreaded || (A_locked || g == 42))) && (! multithreaded || (C_locked || ((((((0 <= g && 15 <= g) && g <= 42) && g <= 127) && g % 27 == 15) && g != 0) && (g == 15 || g == 42))))) && (! multithreaded || ((((((0 <= g && 15 <= g) && g <= 42) && g <= 127) && g % 27 == 15) && g != 0) && (g == 15 || g == 42))) [2024-06-03 20:56:59,642 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-03 20:56:59,643 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 20:56:59,643 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-03 20:56:59,643 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-03 20:56:59,643 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] C_locked = 1; [2024-06-03 20:56:59,643 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 0; [2024-06-03 20:56:59,643 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] A_locked = 0; [2024-06-03 20:56:59,643 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] multithreaded = 1; [2024-06-03 20:56:59,644 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] B_locked = 1; [2024-06-03 20:56:59,644 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] B_locked = 0; [2024-06-03 20:56:59,644 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] B_locked = 0; [2024-06-03 20:56:59,644 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] C_locked = 1; [2024-06-03 20:56:59,644 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] A_locked = 1; [2024-06-03 20:56:59,644 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 1; [2024-06-03 20:56:59,644 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] A_locked = 1; [2024-06-03 20:56:59,645 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] C_locked = 0; [2024-06-03 20:56:59,645 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] C_locked = 0; [2024-06-03 20:56:59,645 INFO L106 edCorrectnessWitness]: ghost_update [L710-L710] C_locked = 1; [2024-06-03 20:56:59,645 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] C_locked = 1; [2024-06-03 20:56:59,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 20:56:59,970 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:56:59,981 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 20:57:00,070 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 20:57:00,097 INFO L206 MainTranslator]: Completed translation [2024-06-03 20:57:00,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00 WrapperNode [2024-06-03 20:57:00,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 20:57:00,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 20:57:00,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 20:57:00,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 20:57:00,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,129 INFO L138 Inliner]: procedures = 163, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-06-03 20:57:00,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 20:57:00,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 20:57:00,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 20:57:00,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 20:57:00,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,149 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-03 20:57:00,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 20:57:00,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 20:57:00,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 20:57:00,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 20:57:00,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (1/1) ... [2024-06-03 20:57:00,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 20:57:00,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 20:57:00,210 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) [2024-06-03 20:57:00,217 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 [2024-06-03 20:57:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-03 20:57:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 20:57:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-03 20:57:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-03 20:57:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 20:57:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 20:57:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-03 20:57:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-03 20:57:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-03 20:57:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 20:57:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 20:57:00,239 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 20:57:00,331 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 20:57:00,333 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 20:57:00,566 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 20:57:00,567 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 20:57:00,704 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 20:57:00,705 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 20:57:00,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:57:00 BoogieIcfgContainer [2024-06-03 20:57:00,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 20:57:00,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 20:57:00,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 20:57:00,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 20:57:00,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 08:56:58" (1/4) ... [2024-06-03 20:57:00,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1071d1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 08:57:00, skipping insertion in model container [2024-06-03 20:57:00,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 08:56:59" (2/4) ... [2024-06-03 20:57:00,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1071d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:57:00, skipping insertion in model container [2024-06-03 20:57:00,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 08:57:00" (3/4) ... [2024-06-03 20:57:00,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1071d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 08:57:00, skipping insertion in model container [2024-06-03 20:57:00,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 08:57:00" (4/4) ... [2024-06-03 20:57:00,713 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-06-03 20:57:00,726 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 20:57:00,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-03 20:57:00,726 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 20:57:00,752 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-03 20:57:00,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 40 transitions, 84 flow [2024-06-03 20:57:00,810 INFO L124 PetriNetUnfolderBase]: 1/39 cut-off events. [2024-06-03 20:57:00,811 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:00,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 39 events. 1/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-06-03 20:57:00,813 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 40 transitions, 84 flow [2024-06-03 20:57:00,816 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 23 transitions, 49 flow [2024-06-03 20:57:00,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 20:57:00,836 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;@5517febd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 20:57:00,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-03 20:57:00,841 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 20:57:00,842 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-03 20:57:00,842 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:00,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:57:00,842 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 20:57:00,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:57:00,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:57:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash 155499597, now seen corresponding path program 1 times [2024-06-03 20:57:00,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:57:00,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668787456] [2024-06-03 20:57:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:57:00,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:57:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:57:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:57:01,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:57:01,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668787456] [2024-06-03 20:57:01,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668787456] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:57:01,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:57:01,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 20:57:01,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678329554] [2024-06-03 20:57:01,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:57:01,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 20:57:01,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:57:01,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 20:57:01,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 20:57:01,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2024-06-03 20:57:01,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 23 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-06-03 20:57:01,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:57:01,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2024-06-03 20:57:01,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:57:01,328 INFO L124 PetriNetUnfolderBase]: 13/59 cut-off events. [2024-06-03 20:57:01,328 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 20:57:01,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 59 events. 13/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 10 based on Foata normal form. 9/65 useless extension candidates. Maximal degree in co-relation 99. Up to 34 conditions per place. [2024-06-03 20:57:01,331 INFO L140 encePairwiseOnDemand]: 36/40 looper letters, 15 selfloop transitions, 3 changer transitions 0/24 dead transitions. [2024-06-03 20:57:01,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 24 transitions, 87 flow [2024-06-03 20:57:01,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 20:57:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 20:57:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-06-03 20:57:01,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-06-03 20:57:01,344 INFO L175 Difference]: Start difference. First operand has 27 places, 23 transitions, 49 flow. Second operand 3 states and 64 transitions. [2024-06-03 20:57:01,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 24 transitions, 87 flow [2024-06-03 20:57:01,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 24 transitions, 86 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-03 20:57:01,348 INFO L231 Difference]: Finished difference. Result has 29 places, 23 transitions, 59 flow [2024-06-03 20:57:01,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=29, PETRI_TRANSITIONS=23} [2024-06-03 20:57:01,352 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2024-06-03 20:57:01,352 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 23 transitions, 59 flow [2024-06-03 20:57:01,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-06-03 20:57:01,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:57:01,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 20:57:01,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 20:57:01,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:57:01,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:57:01,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1660492413, now seen corresponding path program 1 times [2024-06-03 20:57:01,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:57:01,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946034661] [2024-06-03 20:57:01,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:57:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:57:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:57:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:57:01,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:57:01,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946034661] [2024-06-03 20:57:01,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946034661] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:57:01,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:57:01,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 20:57:01,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877450625] [2024-06-03 20:57:01,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:57:01,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-03 20:57:01,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:57:01,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-03 20:57:01,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-06-03 20:57:01,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2024-06-03 20:57:01,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 23 transitions, 59 flow. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2024-06-03 20:57:01,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:57:01,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2024-06-03 20:57:01,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:57:01,721 INFO L124 PetriNetUnfolderBase]: 12/59 cut-off events. [2024-06-03 20:57:01,721 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-03 20:57:01,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 59 events. 12/59 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 2 based on Foata normal form. 1/60 useless extension candidates. Maximal degree in co-relation 106. Up to 14 conditions per place. [2024-06-03 20:57:01,723 INFO L140 encePairwiseOnDemand]: 30/40 looper letters, 13 selfloop transitions, 9 changer transitions 0/28 dead transitions. [2024-06-03 20:57:01,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 28 transitions, 115 flow [2024-06-03 20:57:01,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 20:57:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 20:57:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 113 transitions. [2024-06-03 20:57:01,730 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4708333333333333 [2024-06-03 20:57:01,730 INFO L175 Difference]: Start difference. First operand has 29 places, 23 transitions, 59 flow. Second operand 6 states and 113 transitions. [2024-06-03 20:57:01,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 28 transitions, 115 flow [2024-06-03 20:57:01,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 28 transitions, 109 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-03 20:57:01,737 INFO L231 Difference]: Finished difference. Result has 33 places, 23 transitions, 75 flow [2024-06-03 20:57:01,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=75, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2024-06-03 20:57:01,738 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2024-06-03 20:57:01,738 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 23 transitions, 75 flow [2024-06-03 20:57:01,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2024-06-03 20:57:01,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 20:57:01,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 20:57:01,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 20:57:01,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 20:57:01,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 20:57:01,739 INFO L85 PathProgramCache]: Analyzing trace with hash 655741257, now seen corresponding path program 1 times [2024-06-03 20:57:01,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 20:57:01,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751350865] [2024-06-03 20:57:01,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 20:57:01,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 20:57:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 20:57:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 20:57:01,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 20:57:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751350865] [2024-06-03 20:57:01,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751350865] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 20:57:01,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 20:57:01,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-03 20:57:01,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131229720] [2024-06-03 20:57:01,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 20:57:01,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-03 20:57:01,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 20:57:01,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-03 20:57:01,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-06-03 20:57:01,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2024-06-03 20:57:01,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 75 flow. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2024-06-03 20:57:01,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 20:57:01,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2024-06-03 20:57:01,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 20:57:01,981 INFO L124 PetriNetUnfolderBase]: 11/49 cut-off events. [2024-06-03 20:57:01,981 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-06-03 20:57:01,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 49 events. 11/49 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 45 event pairs, 2 based on Foata normal form. 2/51 useless extension candidates. Maximal degree in co-relation 101. Up to 12 conditions per place. [2024-06-03 20:57:01,982 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2024-06-03 20:57:01,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 25 transitions, 113 flow [2024-06-03 20:57:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 20:57:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 20:57:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2024-06-03 20:57:01,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.475 [2024-06-03 20:57:01,983 INFO L175 Difference]: Start difference. First operand has 33 places, 23 transitions, 75 flow. Second operand 5 states and 95 transitions. [2024-06-03 20:57:01,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 25 transitions, 113 flow [2024-06-03 20:57:01,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 25 transitions, 90 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-03 20:57:01,984 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2024-06-03 20:57:01,984 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2024-06-03 20:57:01,985 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2024-06-03 20:57:01,985 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2024-06-03 20:57:01,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2024-06-03 20:57:01,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-03 20:57:01,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-03 20:57:01,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-03 20:57:01,988 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-06-03 20:57:01,991 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 20:57:01,991 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 20:57:01,995 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-03 20:57:01,995 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-03 20:57:01,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 08:57:01 BasicIcfg [2024-06-03 20:57:01,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 20:57:01,996 INFO L158 Benchmark]: Toolchain (without parser) took 2398.91ms. Allocated memory was 132.1MB in the beginning and 220.2MB in the end (delta: 88.1MB). Free memory was 73.0MB in the beginning and 119.7MB in the end (delta: -46.7MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-06-03 20:57:01,996 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:01,997 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 20:57:01,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.58ms. Allocated memory was 132.1MB in the beginning and 220.2MB in the end (delta: 88.1MB). Free memory was 72.7MB in the beginning and 181.2MB in the end (delta: -108.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-06-03 20:57:01,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.17ms. Allocated memory is still 220.2MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 20:57:01,997 INFO L158 Benchmark]: Boogie Preprocessor took 48.53ms. Allocated memory is still 220.2MB. Free memory was 179.1MB in the beginning and 177.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 20:57:01,998 INFO L158 Benchmark]: RCFGBuilder took 526.47ms. Allocated memory is still 220.2MB. Free memory was 177.0MB in the beginning and 139.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-06-03 20:57:01,998 INFO L158 Benchmark]: TraceAbstraction took 1288.20ms. Allocated memory is still 220.2MB. Free memory was 139.3MB in the beginning and 119.7MB in the end (delta: 19.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-06-03 20:57:01,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.58ms. Allocated memory was 132.1MB in the beginning and 220.2MB in the end (delta: 88.1MB). Free memory was 72.7MB in the beginning and 181.2MB in the end (delta: -108.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.17ms. Allocated memory is still 220.2MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.53ms. Allocated memory is still 220.2MB. Free memory was 179.1MB in the beginning and 177.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.47ms. Allocated memory is still 220.2MB. Free memory was 177.0MB in the beginning and 139.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1288.20ms. Allocated memory is still 220.2MB. Free memory was 139.3MB in the beginning and 119.7MB in the end (delta: 19.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 59 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-03 20:57:02,020 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