./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c --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/popl20-mult-equiv.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-mult-equiv.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-03 21:02:52,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 21:02:52,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 21:02:52,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 21:02:52,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 21:02:52,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 21:02:52,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 21:02:52,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 21:02:52,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 21:02:52,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 21:02:52,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 21:02:52,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 21:02:52,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 21:02:52,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 21:02:52,935 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 21:02:52,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 21:02:52,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 21:02:52,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 21:02:52,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 21:02:52,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 21:02:52,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 21:02:52,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 21:02:52,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 21:02:52,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 21:02:52,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 21:02:52,938 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 21:02:52,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 21:02:52,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 21:02:52,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 21:02:52,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 21:02:52,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 21:02:52,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 21:02:52,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:02:52,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 21:02:52,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 21:02:52,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 21:02:52,944 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 21:02:52,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 21:02:52,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 21:02:52,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 21:02:52,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 21:02:52,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 21:02:52,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 21:02:52,945 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 21:02:53,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 21:02:53,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 21:02:53,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 21:02:53,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 21:02:53,131 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 21:02:53,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-06-03 21:02:54,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 21:02:54,318 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 21:02:54,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-06-03 21:02:54,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a1f821de/d6433ce6fb3c4ccbadd2db67ee27986f/FLAG9e8eb45d5 [2024-06-03 21:02:54,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a1f821de/d6433ce6fb3c4ccbadd2db67ee27986f [2024-06-03 21:02:54,336 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 21:02:54,337 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 21:02:54,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-mult-equiv.wvr.yml/witness.yml [2024-06-03 21:02:54,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 21:02:54,410 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 21:02:54,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 21:02:54,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 21:02:54,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 21:02:54,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:02:54" (1/2) ... [2024-06-03 21:02:54,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5976007f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:02:54, skipping insertion in model container [2024-06-03 21:02:54,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:02:54" (1/2) ... [2024-06-03 21:02:54,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@181496a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:02:54, skipping insertion in model container [2024-06-03 21:02:54,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:02:54" (2/2) ... [2024-06-03 21:02:54,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5976007f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54, skipping insertion in model container [2024-06-03 21:02:54,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:02:54" (2/2) ... [2024-06-03 21:02:54,420 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 21:02:54,436 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 21:02:54,437 INFO L97 edCorrectnessWitness]: Location invariant before [L99-L99] ! multithreaded || ((((4294967295LL - (long long )M) + (long long )N >= 0LL && (long long )M + (long long )N >= 0LL) && (4294967295LL + (long long )M) - (long long )N >= 0LL) && (8589934590LL - (long long )M) - (long long )N >= 0LL) [2024-06-03 21:02:54,438 INFO L97 edCorrectnessWitness]: Location invariant before [L100-L100] ! multithreaded || ((((4294967295LL - (long long )M) + (long long )N >= 0LL && (long long )M + (long long )N >= 0LL) && (4294967295LL + (long long )M) - (long long )N >= 0LL) && (8589934590LL - (long long )M) - (long long )N >= 0LL) [2024-06-03 21:02:54,438 INFO L97 edCorrectnessWitness]: Location invariant before [L98-L98] ! multithreaded || ((((4294967295LL - (long long )M) + (long long )N >= 0LL && (long long )M + (long long )N >= 0LL) && (4294967295LL + (long long )M) - (long long )N >= 0LL) && (8589934590LL - (long long )M) - (long long )N >= 0LL) [2024-06-03 21:02:54,438 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 21:02:54,438 INFO L106 edCorrectnessWitness]: ghost_update [L97-L97] multithreaded = 1; [2024-06-03 21:02:54,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 21:02:54,597 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:02:54,617 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 21:02:54,688 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:02:54,705 INFO L206 MainTranslator]: Completed translation [2024-06-03 21:02:54,706 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54 WrapperNode [2024-06-03 21:02:54,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 21:02:54,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 21:02:54,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 21:02:54,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 21:02:54,713 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 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,729 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 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,758 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-06-03 21:02:54,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 21:02:54,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 21:02:54,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 21:02:54,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 21:02:54,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,772 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,792 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-06-03 21:02:54,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 21:02:54,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 21:02:54,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 21:02:54,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 21:02:54,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (1/1) ... [2024-06-03 21:02:54,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:02:54,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 21:02:54,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-03 21:02:54,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-03 21:02:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 21:02:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-03 21:02:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-03 21:02:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-03 21:02:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-03 21:02:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-03 21:02:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-03 21:02:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 21:02:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-03 21:02:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-03 21:02:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 21:02:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 21:02:54,942 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 21:02:55,027 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 21:02:55,030 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 21:02:55,219 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 21:02:55,220 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 21:02:55,301 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 21:02:55,302 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-06-03 21:02:55,302 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:02:55 BoogieIcfgContainer [2024-06-03 21:02:55,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 21:02:55,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 21:02:55,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 21:02:55,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 21:02:55,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 09:02:54" (1/4) ... [2024-06-03 21:02:55,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e284df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 09:02:55, skipping insertion in model container [2024-06-03 21:02:55,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:02:54" (2/4) ... [2024-06-03 21:02:55,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e284df9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 09:02:55, skipping insertion in model container [2024-06-03 21:02:55,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:02:54" (3/4) ... [2024-06-03 21:02:55,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e284df9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 09:02:55, skipping insertion in model container [2024-06-03 21:02:55,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:02:55" (4/4) ... [2024-06-03 21:02:55,311 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-06-03 21:02:55,323 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 21:02:55,324 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-03 21:02:55,324 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 21:02:55,381 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-06-03 21:02:55,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 35 transitions, 91 flow [2024-06-03 21:02:55,440 INFO L124 PetriNetUnfolderBase]: 3/32 cut-off events. [2024-06-03 21:02:55,440 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-03 21:02:55,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 32 events. 3/32 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2024-06-03 21:02:55,443 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 35 transitions, 91 flow [2024-06-03 21:02:55,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 30 transitions, 75 flow [2024-06-03 21:02:55,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 21:02:55,457 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;@4b9a9f01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 21:02:55,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-03 21:02:55,460 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 21:02:55,461 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-06-03 21:02:55,462 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 21:02:55,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:02:55,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 21:02:55,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 21:02:55,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:02:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash -417792585, now seen corresponding path program 1 times [2024-06-03 21:02:55,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:02:55,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109966259] [2024-06-03 21:02:55,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:02:55,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:02:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:02:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:02:55,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:02:55,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109966259] [2024-06-03 21:02:55,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109966259] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 21:02:55,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 21:02:55,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 21:02:55,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100798782] [2024-06-03 21:02:55,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 21:02:55,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-06-03 21:02:55,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:02:55,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-06-03 21:02:55,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-06-03 21:02:55,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-06-03 21:02:55,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 75 flow. Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 21:02:55,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:02:55,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-06-03 21:02:55,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:02:55,720 INFO L124 PetriNetUnfolderBase]: 125/243 cut-off events. [2024-06-03 21:02:55,721 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-06-03 21:02:55,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 243 events. 125/243 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1072 event pairs, 99 based on Foata normal form. 18/257 useless extension candidates. Maximal degree in co-relation 423. Up to 205 conditions per place. [2024-06-03 21:02:55,727 INFO L140 encePairwiseOnDemand]: 32/35 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2024-06-03 21:02:55,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 27 transitions, 107 flow [2024-06-03 21:02:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-06-03 21:02:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-06-03 21:02:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 44 transitions. [2024-06-03 21:02:55,736 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6285714285714286 [2024-06-03 21:02:55,738 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 75 flow. Second operand 2 states and 44 transitions. [2024-06-03 21:02:55,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 27 transitions, 107 flow [2024-06-03 21:02:55,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 27 transitions, 98 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-03 21:02:55,743 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2024-06-03 21:02:55,745 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2024-06-03 21:02:55,747 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -7 predicate places. [2024-06-03 21:02:55,747 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2024-06-03 21:02:55,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 21:02:55,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-03 21:02:55,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-03 21:02:55,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-03 21:02:55,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-03 21:02:55,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-03 21:02:55,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-03 21:02:55,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 21:02:55,752 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-03 21:02:55,757 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 21:02:55,757 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 21:02:55,767 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-03 21:02:55,767 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-03 21:02:55,768 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 09:02:55 BasicIcfg [2024-06-03 21:02:55,768 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 21:02:55,770 INFO L158 Benchmark]: Toolchain (without parser) took 1359.15ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 86.2MB in the beginning and 101.0MB in the end (delta: -14.8MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-06-03 21:02:55,770 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 21:02:55,770 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 21:02:55,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.84ms. Allocated memory is still 146.8MB. Free memory was 86.2MB in the beginning and 71.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-06-03 21:02:55,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.99ms. Allocated memory is still 146.8MB. Free memory was 71.5MB in the beginning and 69.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 21:02:55,772 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 146.8MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 21:02:55,774 INFO L158 Benchmark]: RCFGBuilder took 497.68ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 67.4MB in the beginning and 135.7MB in the end (delta: -68.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-06-03 21:02:55,774 INFO L158 Benchmark]: TraceAbstraction took 463.14ms. Allocated memory is still 186.6MB. Free memory was 135.7MB in the beginning and 101.0MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-06-03 21:02:55,780 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 146.8MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.84ms. Allocated memory is still 146.8MB. Free memory was 86.2MB in the beginning and 71.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.99ms. Allocated memory is still 146.8MB. Free memory was 71.5MB in the beginning and 69.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.76ms. Allocated memory is still 146.8MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.68ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 67.4MB in the beginning and 135.7MB in the end (delta: -68.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * TraceAbstraction took 463.14ms. Allocated memory is still 186.6MB. Free memory was 135.7MB in the beginning and 101.0MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 98]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 99]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 100]: 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 7 procedures, 49 locations, 6 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-03 21:02:55,804 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