./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb4cb34f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-eb4cb34-m [2024-06-21 22:15:43,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-21 22:15:43,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-21 22:15:43,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-21 22:15:43,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-21 22:15:43,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-21 22:15:43,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-21 22:15:43,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-21 22:15:43,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-21 22:15:43,914 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-21 22:15:43,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-21 22:15:43,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-21 22:15:43,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-21 22:15:43,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-21 22:15:43,916 INFO L153 SettingsManager]: * Use SBE=true [2024-06-21 22:15:43,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-21 22:15:43,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-21 22:15:43,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-21 22:15:43,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-21 22:15:43,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-21 22:15:43,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-21 22:15:43,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-21 22:15:43,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-21 22:15:43,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-21 22:15:43,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-21 22:15:43,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-21 22:15:43,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-21 22:15:43,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-21 22:15:43,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-21 22:15:43,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-21 22:15:43,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-21 22:15:43,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-21 22:15:43,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 22:15:43,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-21 22:15:43,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-21 22:15:43,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-21 22:15:43,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-21 22:15:43,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-21 22:15:43,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-21 22:15:43,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-21 22:15:43,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-21 22:15:43,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-21 22:15:43,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-21 22:15:43,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-21 22:15:44,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-21 22:15:44,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-21 22:15:44,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-21 22:15:44,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-21 22:15:44,142 INFO L274 PluginConnector]: CDTParser initialized [2024-06-21 22:15:44,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-21 22:15:45,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-21 22:15:45,356 INFO L384 CDTParser]: Found 1 translation units. [2024-06-21 22:15:45,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-21 22:15:45,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f426537/ab2152d1f4b44e69bf55db66c5a3e3d3/FLAG2fe28b129 [2024-06-21 22:15:45,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8f426537/ab2152d1f4b44e69bf55db66c5a3e3d3 [2024-06-21 22:15:45,392 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-21 22:15:45,393 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-21 22:15:45,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_1_neg.yml/witness.yml [2024-06-21 22:15:45,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-21 22:15:45,456 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-21 22:15:45,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-21 22:15:45,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-21 22:15:45,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-21 22:15:45,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:15:45" (1/2) ... [2024-06-21 22:15:45,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e85fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:15:45, skipping insertion in model container [2024-06-21 22:15:45,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:15:45" (1/2) ... [2024-06-21 22:15:45,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cde7ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:15:45, skipping insertion in model container [2024-06-21 22:15:45,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 10:15:45" (2/2) ... [2024-06-21 22:15:45,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e85fd2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45, skipping insertion in model container [2024-06-21 22:15:45,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 10:15:45" (2/2) ... [2024-06-21 22:15:45,464 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-21 22:15:45,486 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-21 22:15:45,487 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (glob1 == 0 || glob1 == 5)) && (! multithreaded || (mutex2_locked || (glob1 == 0 || glob1 == 5)))) && (! multithreaded || (mutex1_locked || glob1 == 0)) [2024-06-21 22:15:45,487 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-21 22:15:45,488 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-21 22:15:45,488 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-21 22:15:45,488 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-21 22:15:45,488 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-06-21 22:15:45,488 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-21 22:15:45,488 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-21 22:15:45,488 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-21 22:15:45,489 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-21 22:15:45,489 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-21 22:15:45,489 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-06-21 22:15:45,489 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-06-21 22:15:45,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-21 22:15:45,779 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 22:15:45,792 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-21 22:15:45,863 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 22:15:45,893 INFO L206 MainTranslator]: Completed translation [2024-06-21 22:15:45,894 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45 WrapperNode [2024-06-21 22:15:45,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-21 22:15:45,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-21 22:15:45,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-21 22:15:45,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-21 22:15:45,900 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 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,908 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 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,922 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-06-21 22:15:45,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-21 22:15:45,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-21 22:15:45,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-21 22:15:45,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-21 22:15:45,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,932 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,941 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-21 22:15:45,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-21 22:15:45,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-21 22:15:45,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-21 22:15:45,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-21 22:15:45,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (1/1) ... [2024-06-21 22:15:45,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 22:15:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-21 22:15:45,971 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) [2024-06-21 22:15:45,988 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 [2024-06-21 22:15:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-21 22:15:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-21 22:15:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-21 22:15:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-21 22:15:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-21 22:15:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-21 22:15:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-21 22:15:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-21 22:15:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-21 22:15:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-21 22:15:46,001 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-21 22:15:46,084 INFO L244 CfgBuilder]: Building ICFG [2024-06-21 22:15:46,086 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-21 22:15:46,267 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-21 22:15:46,268 INFO L293 CfgBuilder]: Performing block encoding [2024-06-21 22:15:46,375 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-21 22:15:46,376 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-21 22:15:46,376 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:15:46 BoogieIcfgContainer [2024-06-21 22:15:46,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-21 22:15:46,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-21 22:15:46,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-21 22:15:46,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-21 22:15:46,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 10:15:45" (1/4) ... [2024-06-21 22:15:46,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f82cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:15:46, skipping insertion in model container [2024-06-21 22:15:46,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 10:15:45" (2/4) ... [2024-06-21 22:15:46,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f82cfb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 10:15:46, skipping insertion in model container [2024-06-21 22:15:46,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:45" (3/4) ... [2024-06-21 22:15:46,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f82cfb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 10:15:46, skipping insertion in model container [2024-06-21 22:15:46,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:15:46" (4/4) ... [2024-06-21 22:15:46,406 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-21 22:15:46,430 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-21 22:15:46,430 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-21 22:15:46,431 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-21 22:15:46,467 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-21 22:15:46,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 59 flow [2024-06-21 22:15:46,530 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-06-21 22:15:46,530 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 22:15:46,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 25 events. 0/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-21 22:15:46,532 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 26 transitions, 59 flow [2024-06-21 22:15:46,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-21 22:15:46,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-21 22:15:46,548 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;@20463917, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-21 22:15:46,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-21 22:15:46,551 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-21 22:15:46,551 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-21 22:15:46,551 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 22:15:46,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 22:15:46,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-21 22:15:46,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 22:15:46,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 22:15:46,556 INFO L85 PathProgramCache]: Analyzing trace with hash 208384109, now seen corresponding path program 1 times [2024-06-21 22:15:46,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 22:15:46,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299362315] [2024-06-21 22:15:46,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 22:15:46,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 22:15:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 22:15:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 22:15:46,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 22:15:46,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299362315] [2024-06-21 22:15:46,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299362315] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 22:15:46,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 22:15:46,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-21 22:15:46,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165022194] [2024-06-21 22:15:46,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 22:15:46,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 22:15:46,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 22:15:46,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 22:15:46,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 22:15:46,828 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2024-06-21 22:15:46,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2024-06-21 22:15:46,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 22:15:46,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2024-06-21 22:15:46,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 22:15:46,869 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-21 22:15:46,870 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 22:15:46,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 11/47 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/52 useless extension candidates. Maximal degree in co-relation 81. Up to 25 conditions per place. [2024-06-21 22:15:46,872 INFO L140 encePairwiseOnDemand]: 22/26 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-21 22:15:46,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-21 22:15:46,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 22:15:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 22:15:46,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-21 22:15:46,880 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-21 22:15:46,881 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 39 transitions. [2024-06-21 22:15:46,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-21 22:15:46,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-21 22:15:46,887 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-21 22:15:46,888 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-21 22:15:46,890 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-21 22:15:46,891 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-21 22:15:46,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2024-06-21 22:15:46,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 22:15:46,891 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-21 22:15:46,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-21 22:15:46,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 22:15:46,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 22:15:46,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1926225186, now seen corresponding path program 1 times [2024-06-21 22:15:46,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 22:15:46,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910554031] [2024-06-21 22:15:46,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 22:15:46,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 22:15:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 22:15:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 22:15:47,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 22:15:47,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910554031] [2024-06-21 22:15:47,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910554031] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 22:15:47,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 22:15:47,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-21 22:15:47,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116989759] [2024-06-21 22:15:47,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 22:15:47,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-21 22:15:47,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 22:15:47,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-21 22:15:47,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-21 22:15:47,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2024-06-21 22:15:47,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 49 flow. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-21 22:15:47,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 22:15:47,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2024-06-21 22:15:47,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 22:15:47,109 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-21 22:15:47,109 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-21 22:15:47,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 38 events. 9/38 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 35 event pairs, 2 based on Foata normal form. 3/41 useless extension candidates. Maximal degree in co-relation 69. Up to 12 conditions per place. [2024-06-21 22:15:47,110 INFO L140 encePairwiseOnDemand]: 19/26 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-21 22:15:47,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 79 flow [2024-06-21 22:15:47,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-21 22:15:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-21 22:15:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2024-06-21 22:15:47,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3717948717948718 [2024-06-21 22:15:47,112 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 6 states and 58 transitions. [2024-06-21 22:15:47,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 79 flow [2024-06-21 22:15:47,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 22:15:47,114 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-06-21 22:15:47,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2024-06-21 22:15:47,116 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2024-06-21 22:15:47,117 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-06-21 22:15:47,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-21 22:15:47,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-21 22:15:47,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-21 22:15:47,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-21 22:15:47,124 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-21 22:15:47,129 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-21 22:15:47,129 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-21 22:15:47,136 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-21 22:15:47,136 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-21 22:15:47,137 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:15:47 BasicIcfg [2024-06-21 22:15:47,137 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-21 22:15:47,138 INFO L158 Benchmark]: Toolchain (without parser) took 1681.72ms. Allocated memory is still 165.7MB. Free memory was 133.8MB in the beginning and 78.5MB in the end (delta: 55.3MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-06-21 22:15:47,138 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 127.9MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 22:15:47,139 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 22:15:47,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.30ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 107.8MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-21 22:15:47,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.53ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 22:15:47,141 INFO L158 Benchmark]: Boogie Preprocessor took 26.28ms. Allocated memory is still 165.7MB. Free memory was 105.7MB in the beginning and 104.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 22:15:47,143 INFO L158 Benchmark]: RCFGBuilder took 426.91ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 129.8MB in the end (delta: -26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-21 22:15:47,143 INFO L158 Benchmark]: TraceAbstraction took 759.43ms. Allocated memory is still 165.7MB. Free memory was 128.8MB in the beginning and 78.5MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-06-21 22:15:47,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 127.9MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.30ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 107.8MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.53ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.28ms. Allocated memory is still 165.7MB. Free memory was 105.7MB in the beginning and 104.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.91ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 129.8MB in the end (delta: -26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 759.43ms. Allocated memory is still 165.7MB. Free memory was 128.8MB in the beginning and 78.5MB in the end (delta: 50.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-21 22:15:47,196 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