./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 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/36-apron_17-traces-rpb-litmus_unknown_1_neg.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-cde23df-m [2024-06-14 16:14:10,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 16:14:10,413 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 16:14:10,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 16:14:10,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 16:14:10,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 16:14:10,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 16:14:10,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 16:14:10,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 16:14:10,455 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 16:14:10,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 16:14:10,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 16:14:10,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 16:14:10,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 16:14:10,457 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 16:14:10,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 16:14:10,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 16:14:10,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 16:14:10,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 16:14:10,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 16:14:10,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 16:14:10,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 16:14:10,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 16:14:10,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 16:14:10,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 16:14:10,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 16:14:10,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 16:14:10,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 16:14:10,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 16:14:10,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 16:14:10,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 16:14:10,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 16:14:10,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:14:10,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 16:14:10,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 16:14:10,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 16:14:10,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 16:14:10,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 16:14:10,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 16:14:10,464 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 16:14:10,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 16:14:10,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 16:14:10,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 16:14:10,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 16:14:10,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 16:14:10,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 16:14:10,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 16:14:10,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 16:14:10,729 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 16:14:10,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-14 16:14:11,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 16:14:12,032 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 16:14:12,033 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-14 16:14:12,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75efcff28/c4870cae2f374be984ac84e59546ebf3/FLAG8c3595ca8 [2024-06-14 16:14:12,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75efcff28/c4870cae2f374be984ac84e59546ebf3 [2024-06-14 16:14:12,056 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 16:14:12,057 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 16:14:12,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml [2024-06-14 16:14:12,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 16:14:12,177 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 16:14:12,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 16:14:12,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 16:14:12,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 16:14:12,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:14:12" (1/2) ... [2024-06-14 16:14:12,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f7b601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:12, skipping insertion in model container [2024-06-14 16:14:12,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:14:12" (1/2) ... [2024-06-14 16:14:12,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@106f1a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:12, skipping insertion in model container [2024-06-14 16:14:12,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:12" (2/2) ... [2024-06-14 16:14:12,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f7b601 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12, skipping insertion in model container [2024-06-14 16:14:12,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:12" (2/2) ... [2024-06-14 16:14:12,187 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 16:14:12,216 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 16:14:12,217 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (B_locked || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42)))) && (! multithreaded || (A_locked || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42))))) && (! multithreaded || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42))) [2024-06-14 16:14:12,218 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 16:14:12,218 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 16:14:12,218 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-14 16:14:12,218 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-14 16:14:12,219 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-14 16:14:12,219 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] B_locked = 1; [2024-06-14 16:14:12,219 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-06-14 16:14:12,219 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] A_locked = 1; [2024-06-14 16:14:12,219 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 1; [2024-06-14 16:14:12,220 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] A_locked = 0; [2024-06-14 16:14:12,220 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 0; [2024-06-14 16:14:12,220 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-14 16:14:12,220 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 0; [2024-06-14 16:14:12,220 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-14 16:14:12,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 16:14:12,528 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:14:12,538 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-14 16:14:12,634 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:14:12,660 INFO L206 MainTranslator]: Completed translation [2024-06-14 16:14:12,662 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12 WrapperNode [2024-06-14 16:14:12,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 16:14:12,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 16:14:12,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 16:14:12,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 16:14:12,669 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 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,686 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 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,705 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-06-14 16:14:12,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 16:14:12,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 16:14:12,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 16:14:12,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 16:14:12,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,726 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-14 16:14:12,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 16:14:12,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 16:14:12,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 16:14:12,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 16:14:12,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (1/1) ... [2024-06-14 16:14:12,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:14:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 16:14:12,780 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) [2024-06-14 16:14:12,788 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 [2024-06-14 16:14:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 16:14:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 16:14:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 16:14:12,836 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 16:14:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 16:14:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 16:14:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 16:14:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 16:14:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 16:14:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 16:14:12,838 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 16:14:13,002 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 16:14:13,003 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 16:14:13,205 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 16:14:13,206 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 16:14:13,321 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 16:14:13,321 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 16:14:13,321 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:14:13 BoogieIcfgContainer [2024-06-14 16:14:13,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 16:14:13,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 16:14:13,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 16:14:13,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 16:14:13,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 04:14:12" (1/4) ... [2024-06-14 16:14:13,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b2b886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:14:13, skipping insertion in model container [2024-06-14 16:14:13,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:12" (2/4) ... [2024-06-14 16:14:13,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b2b886 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 04:14:13, skipping insertion in model container [2024-06-14 16:14:13,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:12" (3/4) ... [2024-06-14 16:14:13,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b2b886 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 04:14:13, skipping insertion in model container [2024-06-14 16:14:13,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:14:13" (4/4) ... [2024-06-14 16:14:13,328 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-14 16:14:13,341 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 16:14:13,341 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 16:14:13,341 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 16:14:13,368 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-14 16:14:13,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 68 flow [2024-06-14 16:14:13,448 INFO L124 PetriNetUnfolderBase]: 1/31 cut-off events. [2024-06-14 16:14:13,449 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:14:13,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 31 events. 1/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-06-14 16:14:13,451 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 68 flow [2024-06-14 16:14:13,453 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-14 16:14:13,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 16:14:13,473 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;@767ab19e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 16:14:13,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 16:14:13,477 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 16:14:13,477 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 16:14:13,477 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:14:13,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:13,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 16:14:13,493 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 16:14:13,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:13,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1105188072, now seen corresponding path program 1 times [2024-06-14 16:14:13,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:13,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996666659] [2024-06-14 16:14:13,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:13,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 16:14:13,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:13,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996666659] [2024-06-14 16:14:13,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996666659] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:13,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:13,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 16:14:13,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790587284] [2024-06-14 16:14:13,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:13,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 16:14:13,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 16:14:13,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 16:14:13,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 32 [2024-06-14 16:14:13,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-06-14 16:14:13,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:13,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 32 [2024-06-14 16:14:13,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:13,924 INFO L124 PetriNetUnfolderBase]: 6/27 cut-off events. [2024-06-14 16:14:13,924 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:14:13,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 27 events. 6/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 6 based on Foata normal form. 7/33 useless extension candidates. Maximal degree in co-relation 42. Up to 23 conditions per place. [2024-06-14 16:14:13,925 INFO L140 encePairwiseOnDemand]: 30/32 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2024-06-14 16:14:13,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 14 transitions, 53 flow [2024-06-14 16:14:13,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 16:14:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 16:14:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2024-06-14 16:14:13,935 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46875 [2024-06-14 16:14:13,939 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 45 transitions. [2024-06-14 16:14:13,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 14 transitions, 53 flow [2024-06-14 16:14:13,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 14 transitions, 52 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 16:14:13,942 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2024-06-14 16:14:13,943 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2024-06-14 16:14:13,947 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 0 predicate places. [2024-06-14 16:14:13,947 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2024-06-14 16:14:13,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-06-14 16:14:13,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 16:14:13,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 16:14:13,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 16:14:13,950 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-14 16:14:13,954 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 16:14:13,954 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 16:14:13,964 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 16:14:13,964 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 16:14:13,965 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:14:13 BasicIcfg [2024-06-14 16:14:13,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 16:14:13,966 INFO L158 Benchmark]: Toolchain (without parser) took 1789.35ms. Allocated memory was 184.5MB in the beginning and 264.2MB in the end (delta: 79.7MB). Free memory was 121.1MB in the beginning and 193.9MB in the end (delta: -72.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-06-14 16:14:13,966 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:13,966 INFO L158 Benchmark]: Witness Parser took 3.88ms. Allocated memory is still 184.5MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:13,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.72ms. Allocated memory is still 184.5MB. Free memory was 121.1MB in the beginning and 94.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-14 16:14:13,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.63ms. Allocated memory is still 184.5MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 16:14:13,967 INFO L158 Benchmark]: Boogie Preprocessor took 27.53ms. Allocated memory is still 184.5MB. Free memory was 92.7MB in the beginning and 90.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:13,968 INFO L158 Benchmark]: RCFGBuilder took 586.76ms. Allocated memory is still 184.5MB. Free memory was 90.5MB in the beginning and 59.4MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-06-14 16:14:13,968 INFO L158 Benchmark]: TraceAbstraction took 642.18ms. Allocated memory was 184.5MB in the beginning and 264.2MB in the end (delta: 79.7MB). Free memory was 58.7MB in the beginning and 193.9MB in the end (delta: -135.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:13,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 3.88ms. Allocated memory is still 184.5MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.72ms. Allocated memory is still 184.5MB. Free memory was 121.1MB in the beginning and 94.7MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.63ms. Allocated memory is still 184.5MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.53ms. Allocated memory is still 184.5MB. Free memory was 92.7MB in the beginning and 90.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 586.76ms. Allocated memory is still 184.5MB. Free memory was 90.5MB in the beginning and 59.4MB in the end (delta: 31.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 642.18ms. Allocated memory was 184.5MB in the beginning and 264.2MB in the end (delta: 79.7MB). Free memory was 58.7MB in the beginning and 193.9MB in the end (delta: -135.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 43 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2024-06-14 16:14:13,995 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