./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_true.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_29-multiple-protecting2-vesal_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_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-7724a2d-m [2024-06-28 02:45:09,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 02:45:09,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 02:45:09,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 02:45:09,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 02:45:09,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 02:45:09,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 02:45:09,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 02:45:09,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 02:45:09,673 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 02:45:09,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 02:45:09,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 02:45:09,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 02:45:09,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 02:45:09,675 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 02:45:09,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 02:45:09,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 02:45:09,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 02:45:09,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 02:45:09,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 02:45:09,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 02:45:09,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 02:45:09,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 02:45:09,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 02:45:09,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 02:45:09,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 02:45:09,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 02:45:09,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 02:45:09,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 02:45:09,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 02:45:09,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 02:45:09,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 02:45:09,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:09,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 02:45:09,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 02:45:09,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 02:45:09,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 02:45:09,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 02:45:09,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 02:45:09,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 02:45:09,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 02:45:09,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 02:45:09,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 02:45:09,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 02:45:09,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 02:45:09,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 02:45:09,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 02:45:09,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 02:45:09,841 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 02:45:09,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-06-28 02:45:10,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 02:45:11,177 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 02:45:11,180 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-06-28 02:45:11,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de09b536c/00551c7baeac414986038c9089153d5a/FLAGc95a56a3e [2024-06-28 02:45:11,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de09b536c/00551c7baeac414986038c9089153d5a [2024-06-28 02:45:11,207 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 02:45:11,208 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 02:45:11,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_29-multiple-protecting2-vesal_true.yml/witness.yml [2024-06-28 02:45:11,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 02:45:11,279 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 02:45:11,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:11,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 02:45:11,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 02:45:11,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:11" (1/2) ... [2024-06-28 02:45:11,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f649186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:11, skipping insertion in model container [2024-06-28 02:45:11,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:11" (1/2) ... [2024-06-28 02:45:11,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f34df6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:11, skipping insertion in model container [2024-06-28 02:45:11,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:11" (2/2) ... [2024-06-28 02:45:11,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f649186 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11, skipping insertion in model container [2024-06-28 02:45:11,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:11" (2/2) ... [2024-06-28 02:45:11,287 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 02:45:11,312 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 02:45:11,313 INFO L97 edCorrectnessWitness]: Location invariant before [L699-L699] ((! multithreaded || (__global_lock_locked || (g2 == 0 || g2 == 1))) && (! multithreaded || (g2 == 0 || g2 == 1))) && (! multithreaded || (mutex2_locked || g2 == 0)) [2024-06-28 02:45:11,313 INFO L103 edCorrectnessWitness]: ghost_variable __global_lock_locked = 0 [2024-06-28 02:45:11,313 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 02:45:11,313 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-28 02:45:11,314 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-28 02:45:11,314 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] __global_lock_locked = 1; [2024-06-28 02:45:11,314 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] __global_lock_locked = 0; [2024-06-28 02:45:11,314 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] mutex2_locked = 1; [2024-06-28 02:45:11,314 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] mutex2_locked = 0; [2024-06-28 02:45:11,314 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] __global_lock_locked = 0; [2024-06-28 02:45:11,314 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] mutex1_locked = 1; [2024-06-28 02:45:11,315 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] __global_lock_locked = 0; [2024-06-28 02:45:11,315 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] __global_lock_locked = 1; [2024-06-28 02:45:11,315 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] __global_lock_locked = 0; [2024-06-28 02:45:11,315 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] __global_lock_locked = 1; [2024-06-28 02:45:11,315 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] multithreaded = 1; [2024-06-28 02:45:11,315 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] mutex2_locked = 0; [2024-06-28 02:45:11,315 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] __global_lock_locked = 1; [2024-06-28 02:45:11,316 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] mutex1_locked = 0; [2024-06-28 02:45:11,316 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-28 02:45:11,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 02:45:11,672 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:11,684 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 [2024-06-28 02:45:11,774 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:11,810 INFO L206 MainTranslator]: Completed translation [2024-06-28 02:45:11,811 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11 WrapperNode [2024-06-28 02:45:11,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:11,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:11,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 02:45:11,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 02:45:11,818 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 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,843 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 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,869 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 103 [2024-06-28 02:45:11,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:11,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 02:45:11,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 02:45:11,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 02:45:11,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,909 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]. [2024-06-28 02:45:11,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 02:45:11,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 02:45:11,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 02:45:11,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 02:45:11,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (1/1) ... [2024-06-28 02:45:11,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:11,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 02:45:11,966 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) [2024-06-28 02:45:11,996 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 [2024-06-28 02:45:12,021 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-06-28 02:45:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-06-28 02:45:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 02:45:12,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 02:45:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 02:45:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 02:45:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 02:45:12,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-28 02:45:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 02:45:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 02:45:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 02:45:12,026 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 02:45:12,145 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 02:45:12,147 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 02:45:12,312 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 02:45:12,313 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 02:45:12,517 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 02:45:12,521 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 02:45:12,521 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:12 BoogieIcfgContainer [2024-06-28 02:45:12,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 02:45:12,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 02:45:12,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 02:45:12,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 02:45:12,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 02:45:11" (1/4) ... [2024-06-28 02:45:12,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d53b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:45:12, skipping insertion in model container [2024-06-28 02:45:12,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:11" (2/4) ... [2024-06-28 02:45:12,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d53b27 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:12, skipping insertion in model container [2024-06-28 02:45:12,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:11" (3/4) ... [2024-06-28 02:45:12,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d53b27 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:12, skipping insertion in model container [2024-06-28 02:45:12,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:12" (4/4) ... [2024-06-28 02:45:12,531 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-06-28 02:45:12,546 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 02:45:12,546 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 02:45:12,547 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 02:45:12,578 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-28 02:45:12,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 83 flow [2024-06-28 02:45:12,638 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-06-28 02:45:12,638 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:12,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 37 events. 0/37 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-28 02:45:12,641 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 83 flow [2024-06-28 02:45:12,650 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-28 02:45:12,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 02:45:12,669 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;@37aa1a65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 02:45:12,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 02:45:12,677 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 02:45:12,678 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 02:45:12,678 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:45:12,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:12,678 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 02:45:12,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:12,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:12,684 INFO L85 PathProgramCache]: Analyzing trace with hash 342375992, now seen corresponding path program 1 times [2024-06-28 02:45:12,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:12,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332367505] [2024-06-28 02:45:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:12,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:12,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:12,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332367505] [2024-06-28 02:45:12,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332367505] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:12,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:12,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 02:45:12,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188956732] [2024-06-28 02:45:12,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:12,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:45:12,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:13,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:45:13,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:45:13,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-06-28 02:45:13,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-06-28 02:45:13,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:13,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-06-28 02:45:13,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:13,059 INFO L124 PetriNetUnfolderBase]: 15/51 cut-off events. [2024-06-28 02:45:13,059 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:13,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 51 events. 15/51 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 8 based on Foata normal form. 3/52 useless extension candidates. Maximal degree in co-relation 89. Up to 35 conditions per place. [2024-06-28 02:45:13,061 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 12 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2024-06-28 02:45:13,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-28 02:45:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:45:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:45:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2024-06-28 02:45:13,070 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-06-28 02:45:13,071 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 54 transitions. [2024-06-28 02:45:13,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-28 02:45:13,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 02:45:13,078 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 46 flow [2024-06-28 02:45:13,080 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-28 02:45:13,083 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-28 02:45:13,083 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 46 flow [2024-06-28 02:45:13,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-06-28 02:45:13,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:13,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 02:45:13,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 02:45:13,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:13,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:13,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1730170603, now seen corresponding path program 1 times [2024-06-28 02:45:13,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:13,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598284478] [2024-06-28 02:45:13,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:13,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:13,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:13,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598284478] [2024-06-28 02:45:13,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598284478] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:13,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:13,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-28 02:45:13,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540371062] [2024-06-28 02:45:13,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:13,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-28 02:45:13,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:13,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-28 02:45:13,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-06-28 02:45:13,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-06-28 02:45:13,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 46 flow. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2024-06-28 02:45:13,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:13,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-06-28 02:45:13,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:13,298 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-28 02:45:13,298 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-28 02:45:13,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 38 events. 9/38 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 7/45 useless extension candidates. Maximal degree in co-relation 67. Up to 10 conditions per place. [2024-06-28 02:45:13,299 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2024-06-28 02:45:13,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 21 transitions, 84 flow [2024-06-28 02:45:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-28 02:45:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-28 02:45:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 104 transitions. [2024-06-28 02:45:13,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39097744360902253 [2024-06-28 02:45:13,301 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 46 flow. Second operand 7 states and 104 transitions. [2024-06-28 02:45:13,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 21 transitions, 84 flow [2024-06-28 02:45:13,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-28 02:45:13,302 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2024-06-28 02:45:13,302 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2024-06-28 02:45:13,302 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 4 predicate places. [2024-06-28 02:45:13,303 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2024-06-28 02:45:13,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2024-06-28 02:45:13,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 02:45:13,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 02:45:13,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 02:45:13,306 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 02:45:13,308 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 02:45:13,308 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 02:45:13,311 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 02:45:13,311 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 02:45:13,312 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 02:45:13 BasicIcfg [2024-06-28 02:45:13,312 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 02:45:13,313 INFO L158 Benchmark]: Toolchain (without parser) took 2033.49ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 72.0MB in the beginning and 139.6MB in the end (delta: -67.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:13,313 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:13,313 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:13,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.16ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 71.9MB in the beginning and 175.3MB in the end (delta: -103.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-06-28 02:45:13,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.07ms. Allocated memory is still 218.1MB. Free memory was 175.3MB in the beginning and 173.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:13,314 INFO L158 Benchmark]: Boogie Preprocessor took 64.65ms. Allocated memory is still 218.1MB. Free memory was 173.2MB in the beginning and 171.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:13,315 INFO L158 Benchmark]: RCFGBuilder took 578.66ms. Allocated memory is still 218.1MB. Free memory was 170.0MB in the beginning and 130.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-06-28 02:45:13,315 INFO L158 Benchmark]: TraceAbstraction took 789.53ms. Allocated memory is still 218.1MB. Free memory was 130.2MB in the beginning and 139.6MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:13,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.16ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 71.9MB in the beginning and 175.3MB in the end (delta: -103.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.07ms. Allocated memory is still 218.1MB. Free memory was 175.3MB in the beginning and 173.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.65ms. Allocated memory is still 218.1MB. Free memory was 173.2MB in the beginning and 171.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.66ms. Allocated memory is still 218.1MB. Free memory was 170.0MB in the beginning and 130.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 789.53ms. Allocated memory is still 218.1MB. Free memory was 130.2MB in the beginning and 139.6MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: 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, 54 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 02:45:13,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE