./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/race-1_1-join.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/ldv-races/race-1_1-join.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/race-1_1-join.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-28 01:03:56,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 01:03:57,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 01:03:57,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 01:03:57,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 01:03:57,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 01:03:57,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 01:03:57,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 01:03:57,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 01:03:57,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 01:03:57,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 01:03:57,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 01:03:57,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 01:03:57,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 01:03:57,084 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 01:03:57,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 01:03:57,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 01:03:57,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 01:03:57,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 01:03:57,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 01:03:57,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 01:03:57,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 01:03:57,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 01:03:57,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 01:03:57,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 01:03:57,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 01:03:57,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 01:03:57,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 01:03:57,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 01:03:57,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 01:03:57,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 01:03:57,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 01:03:57,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 01:03:57,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 01:03:57,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 01:03:57,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 01:03:57,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 01:03:57,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 01:03:57,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 01:03:57,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 01:03:57,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 01:03:57,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 01:03:57,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 01:03:57,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-28 01:03:57,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 01:03:57,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 01:03:57,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 01:03:57,316 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 01:03:57,317 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 01:03:57,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/race-1_1-join.yml/witness.yml [2024-06-28 01:03:57,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 01:03:57,405 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 01:03:57,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2024-06-28 01:03:58,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 01:03:58,560 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 01:03:58,561 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2024-06-28 01:03:58,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fdcd9d5d/d7bcf5b1695a4ea19c3ba840753827c9/FLAG7847b7bd4 [2024-06-28 01:03:58,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fdcd9d5d/d7bcf5b1695a4ea19c3ba840753827c9 [2024-06-28 01:03:58,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 01:03:58,590 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 01:03:58,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 01:03:58,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 01:03:58,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 01:03:58,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 01:03:57" (1/2) ... [2024-06-28 01:03:58,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9749fa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 01:03:58, skipping insertion in model container [2024-06-28 01:03:58,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 01:03:57" (1/2) ... [2024-06-28 01:03:58,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@613ce2ac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 01:03:58, skipping insertion in model container [2024-06-28 01:03:58,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 01:03:58" (2/2) ... [2024-06-28 01:03:58,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9749fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:58, skipping insertion in model container [2024-06-28 01:03:58,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 01:03:58" (2/2) ... [2024-06-28 01:03:58,601 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 01:03:58,626 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 01:03:58,627 INFO L97 edCorrectnessWitness]: Location invariant before [L1710-L1710] ! multithreaded || ((pdev == 1 || pdev == 5) || pdev == 6) [2024-06-28 01:03:58,627 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 01:03:58,628 INFO L103 edCorrectnessWitness]: ghost_variable mutex_locked = 0 [2024-06-28 01:03:58,628 INFO L106 edCorrectnessWitness]: ghost_update [L1701-L1701] mutex_locked = 0; [2024-06-28 01:03:58,628 INFO L106 edCorrectnessWitness]: ghost_update [L1698-L1698] mutex_locked = 1; [2024-06-28 01:03:58,628 INFO L106 edCorrectnessWitness]: ghost_update [L1709-L1709] multithreaded = 1; [2024-06-28 01:03:58,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 01:03:59,135 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2024-06-28 01:03:59,168 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 01:03:59,185 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-06-28 01:03:59,255 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-28 01:03:59,273 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 01:03:59,342 INFO L206 MainTranslator]: Completed translation [2024-06-28 01:03:59,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59 WrapperNode [2024-06-28 01:03:59,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 01:03:59,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 01:03:59,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 01:03:59,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 01:03:59,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,383 INFO L138 Inliner]: procedures = 481, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2024-06-28 01:03:59,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 01:03:59,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 01:03:59,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 01:03:59,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 01:03:59,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,419 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 5, 1]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-06-28 01:03:59,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 01:03:59,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 01:03:59,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 01:03:59,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 01:03:59,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (1/1) ... [2024-06-28 01:03:59,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 01:03:59,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 01:03:59,466 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 01:03:59,488 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 01:03:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-06-28 01:03:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 01:03:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 01:03:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-06-28 01:03:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-06-28 01:03:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-06-28 01:03:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 01:03:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 01:03:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-06-28 01:03:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 01:03:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-28 01:03:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-28 01:03:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 01:03:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 01:03:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 01:03:59,507 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 01:03:59,746 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 01:03:59,748 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 01:03:59,897 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 01:03:59,897 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 01:03:59,980 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 01:03:59,980 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 01:03:59,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 01:03:59 BoogieIcfgContainer [2024-06-28 01:03:59,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 01:03:59,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 01:03:59,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 01:03:59,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 01:03:59,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 01:03:57" (1/4) ... [2024-06-28 01:03:59,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4db3d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 01:03:59, skipping insertion in model container [2024-06-28 01:03:59,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 01:03:58" (2/4) ... [2024-06-28 01:03:59,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4db3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 01:03:59, skipping insertion in model container [2024-06-28 01:03:59,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 01:03:59" (3/4) ... [2024-06-28 01:03:59,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d4db3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 01:03:59, skipping insertion in model container [2024-06-28 01:03:59,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 01:03:59" (4/4) ... [2024-06-28 01:03:59,993 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2024-06-28 01:04:00,006 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 01:04:00,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-06-28 01:04:00,007 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 01:04:00,030 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-28 01:04:00,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 40 transitions, 87 flow [2024-06-28 01:04:00,075 INFO L124 PetriNetUnfolderBase]: 5/43 cut-off events. [2024-06-28 01:04:00,075 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 01:04:00,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 5/43 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 74 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 18. Up to 3 conditions per place. [2024-06-28 01:04:00,077 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 40 transitions, 87 flow [2024-06-28 01:04:00,080 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 33 transitions, 72 flow [2024-06-28 01:04:00,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 01:04:00,092 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;@570f4431, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 01:04:00,092 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-06-28 01:04:00,094 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 01:04:00,094 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-06-28 01:04:00,094 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 01:04:00,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 01:04:00,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-06-28 01:04:00,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-06-28 01:04:00,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 01:04:00,098 INFO L85 PathProgramCache]: Analyzing trace with hash 285497, now seen corresponding path program 1 times [2024-06-28 01:04:00,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 01:04:00,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360839331] [2024-06-28 01:04:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 01:04:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 01:04:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 01:04:00,439 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 01:04:00,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 01:04:00,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360839331] [2024-06-28 01:04:00,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360839331] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 01:04:00,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 01:04:00,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-28 01:04:00,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524240091] [2024-06-28 01:04:00,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 01:04:00,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 01:04:00,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 01:04:00,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 01:04:00,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 01:04:00,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 40 [2024-06-28 01:04:00,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 33 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 01:04:00,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 01:04:00,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 40 [2024-06-28 01:04:00,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 01:04:00,521 INFO L124 PetriNetUnfolderBase]: 30/95 cut-off events. [2024-06-28 01:04:00,522 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-28 01:04:00,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 95 events. 30/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 296 event pairs, 30 based on Foata normal form. 7/88 useless extension candidates. Maximal degree in co-relation 157. Up to 76 conditions per place. [2024-06-28 01:04:00,523 INFO L140 encePairwiseOnDemand]: 32/40 looper letters, 14 selfloop transitions, 2 changer transitions 3/25 dead transitions. [2024-06-28 01:04:00,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 94 flow [2024-06-28 01:04:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 01:04:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 01:04:00,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2024-06-28 01:04:00,531 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44166666666666665 [2024-06-28 01:04:00,533 INFO L175 Difference]: Start difference. First operand has 35 places, 33 transitions, 72 flow. Second operand 3 states and 53 transitions. [2024-06-28 01:04:00,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 94 flow [2024-06-28 01:04:00,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 25 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-28 01:04:00,536 INFO L231 Difference]: Finished difference. Result has 29 places, 22 transitions, 49 flow [2024-06-28 01:04:00,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=29, PETRI_TRANSITIONS=22} [2024-06-28 01:04:00,540 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -6 predicate places. [2024-06-28 01:04:00,541 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 22 transitions, 49 flow [2024-06-28 01:04:00,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 01:04:00,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 01:04:00,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 01:04:00,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 01:04:00,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-06-28 01:04:00,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 01:04:00,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1155772743, now seen corresponding path program 1 times [2024-06-28 01:04:00,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 01:04:00,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094902369] [2024-06-28 01:04:00,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 01:04:00,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 01:04:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 01:04:00,622 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 01:04:00,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 01:04:00,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094902369] [2024-06-28 01:04:00,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094902369] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 01:04:00,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 01:04:00,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 01:04:00,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873326351] [2024-06-28 01:04:00,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 01:04:00,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 01:04:00,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 01:04:00,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 01:04:00,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 01:04:00,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2024-06-28 01:04:00,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 22 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 01:04:00,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 01:04:00,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2024-06-28 01:04:00,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 01:04:00,683 INFO L124 PetriNetUnfolderBase]: 33/106 cut-off events. [2024-06-28 01:04:00,683 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 01:04:00,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 106 events. 33/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 387 event pairs, 9 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 184. Up to 60 conditions per place. [2024-06-28 01:04:00,685 INFO L140 encePairwiseOnDemand]: 37/40 looper letters, 20 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2024-06-28 01:04:00,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 28 transitions, 105 flow [2024-06-28 01:04:00,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 01:04:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 01:04:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2024-06-28 01:04:00,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2024-06-28 01:04:00,688 INFO L175 Difference]: Start difference. First operand has 29 places, 22 transitions, 49 flow. Second operand 3 states and 68 transitions. [2024-06-28 01:04:00,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 28 transitions, 105 flow [2024-06-28 01:04:00,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 28 transitions, 101 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-28 01:04:00,693 INFO L231 Difference]: Finished difference. Result has 27 places, 22 transitions, 53 flow [2024-06-28 01:04:00,693 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=53, PETRI_PLACES=27, PETRI_TRANSITIONS=22} [2024-06-28 01:04:00,696 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -8 predicate places. [2024-06-28 01:04:00,696 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 22 transitions, 53 flow [2024-06-28 01:04:00,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 01:04:00,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 01:04:00,702 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 01:04:00,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 01:04:00,702 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-06-28 01:04:00,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 01:04:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1117361743, now seen corresponding path program 1 times [2024-06-28 01:04:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 01:04:00,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300097512] [2024-06-28 01:04:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 01:04:00,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 01:04:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 01:04:00,765 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 01:04:00,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 01:04:00,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300097512] [2024-06-28 01:04:00,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300097512] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 01:04:00,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 01:04:00,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-28 01:04:00,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932422471] [2024-06-28 01:04:00,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 01:04:00,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 01:04:00,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 01:04:00,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 01:04:00,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 01:04:00,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2024-06-28 01:04:00,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 22 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 01:04:00,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 01:04:00,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2024-06-28 01:04:00,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 01:04:00,816 INFO L124 PetriNetUnfolderBase]: 30/99 cut-off events. [2024-06-28 01:04:00,816 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-06-28 01:04:00,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 99 events. 30/99 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 341 event pairs, 6 based on Foata normal form. 4/89 useless extension candidates. Maximal degree in co-relation 48. Up to 52 conditions per place. [2024-06-28 01:04:00,817 INFO L140 encePairwiseOnDemand]: 38/40 looper letters, 17 selfloop transitions, 1 changer transitions 3/27 dead transitions. [2024-06-28 01:04:00,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 27 transitions, 103 flow [2024-06-28 01:04:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 01:04:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 01:04:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2024-06-28 01:04:00,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5583333333333333 [2024-06-28 01:04:00,819 INFO L175 Difference]: Start difference. First operand has 27 places, 22 transitions, 53 flow. Second operand 3 states and 67 transitions. [2024-06-28 01:04:00,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 27 transitions, 103 flow [2024-06-28 01:04:00,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 27 transitions, 97 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-28 01:04:00,820 INFO L231 Difference]: Finished difference. Result has 25 places, 18 transitions, 39 flow [2024-06-28 01:04:00,820 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=39, PETRI_PLACES=25, PETRI_TRANSITIONS=18} [2024-06-28 01:04:00,821 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -10 predicate places. [2024-06-28 01:04:00,821 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 18 transitions, 39 flow [2024-06-28 01:04:00,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 01:04:00,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 01:04:00,821 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 01:04:00,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-28 01:04:00,822 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-06-28 01:04:00,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 01:04:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1117350170, now seen corresponding path program 1 times [2024-06-28 01:04:00,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 01:04:00,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94308013] [2024-06-28 01:04:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 01:04:00,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 01:04:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 01:04:00,953 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 01:04:00,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 01:04:00,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94308013] [2024-06-28 01:04:00,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94308013] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 01:04:00,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 01:04:00,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-28 01:04:00,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753319696] [2024-06-28 01:04:00,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 01:04:00,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 01:04:00,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 01:04:00,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 01:04:00,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 01:04:00,957 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2024-06-28 01:04:00,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 01:04:00,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 01:04:00,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2024-06-28 01:04:00,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 01:04:00,983 INFO L124 PetriNetUnfolderBase]: 18/52 cut-off events. [2024-06-28 01:04:00,983 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-28 01:04:00,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 52 events. 18/52 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 128 event pairs, 6 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 50. Up to 26 conditions per place. [2024-06-28 01:04:00,984 INFO L140 encePairwiseOnDemand]: 38/40 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2024-06-28 01:04:00,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 85 flow [2024-06-28 01:04:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 01:04:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 01:04:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-06-28 01:04:00,985 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5166666666666667 [2024-06-28 01:04:00,985 INFO L175 Difference]: Start difference. First operand has 25 places, 18 transitions, 39 flow. Second operand 3 states and 62 transitions. [2024-06-28 01:04:00,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 85 flow [2024-06-28 01:04:00,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 22 transitions, 84 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 01:04:00,986 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2024-06-28 01:04:00,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2024-06-28 01:04:00,987 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -14 predicate places. [2024-06-28 01:04:00,987 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2024-06-28 01:04:00,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 01:04:00,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-06-28 01:04:00,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-06-28 01:04:00,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-06-28 01:04:00,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-06-28 01:04:00,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-06-28 01:04:00,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-06-28 01:04:00,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-06-28 01:04:00,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-28 01:04:00,991 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-06-28 01:04:00,995 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 01:04:00,995 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 01:04:00,998 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 01:04:00,998 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 01:04:00,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 01:04:00 BasicIcfg [2024-06-28 01:04:00,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 01:04:01,000 INFO L158 Benchmark]: Toolchain (without parser) took 2409.57ms. Allocated memory was 199.2MB in the beginning and 266.3MB in the end (delta: 67.1MB). Free memory was 163.6MB in the beginning and 205.9MB in the end (delta: -42.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-06-28 01:04:01,000 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 01:04:01,000 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 01:04:01,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.13ms. Allocated memory is still 199.2MB. Free memory was 163.6MB in the beginning and 101.7MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-06-28 01:04:01,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.82ms. Allocated memory is still 199.2MB. Free memory was 101.7MB in the beginning and 98.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 01:04:01,001 INFO L158 Benchmark]: Boogie Preprocessor took 52.88ms. Allocated memory is still 199.2MB. Free memory was 98.7MB in the beginning and 163.4MB in the end (delta: -64.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-06-28 01:04:01,002 INFO L158 Benchmark]: RCFGBuilder took 544.09ms. Allocated memory is still 199.2MB. Free memory was 163.4MB in the beginning and 132.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-28 01:04:01,002 INFO L158 Benchmark]: TraceAbstraction took 1015.81ms. Allocated memory was 199.2MB in the beginning and 266.3MB in the end (delta: 67.1MB). Free memory was 132.0MB in the beginning and 205.9MB in the end (delta: -73.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 01:04:01,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.13ms. Allocated memory is still 199.2MB. Free memory was 163.6MB in the beginning and 101.7MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.82ms. Allocated memory is still 199.2MB. Free memory was 101.7MB in the beginning and 98.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.88ms. Allocated memory is still 199.2MB. Free memory was 98.7MB in the beginning and 163.4MB in the end (delta: -64.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 544.09ms. Allocated memory is still 199.2MB. Free memory was 163.4MB in the beginning and 132.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1015.81ms. Allocated memory was 199.2MB in the beginning and 266.3MB in the end (delta: 67.1MB). Free memory was 132.0MB in the beginning and 205.9MB in the end (delta: -73.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 46 locations, 7 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 6 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.4s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 01:04:01,034 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