./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_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_2_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_2_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-7724a2d-m [2024-06-28 04:36:30,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 04:36:30,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 04:36:30,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 04:36:30,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 04:36:30,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 04:36:30,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 04:36:30,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 04:36:30,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 04:36:30,280 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 04:36:30,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 04:36:30,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 04:36:30,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 04:36:30,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 04:36:30,281 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 04:36:30,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 04:36:30,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 04:36:30,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 04:36:30,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 04:36:30,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 04:36:30,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 04:36:30,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 04:36:30,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 04:36:30,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 04:36:30,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 04:36:30,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 04:36:30,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 04:36:30,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 04:36:30,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 04:36:30,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 04:36:30,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 04:36:30,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 04:36:30,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:30,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 04:36:30,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 04:36:30,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 04:36:30,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 04:36:30,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 04:36:30,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 04:36:30,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 04:36:30,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 04:36:30,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 04:36:30,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 04:36:30,290 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 04:36:30,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 04:36:30,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 04:36:30,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 04:36:30,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 04:36:30,537 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 04:36:30,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-06-28 04:36:31,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 04:36:31,956 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 04:36:31,957 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-06-28 04:36:31,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca28112e/c6507ecd9b654ced9ea8359b00fd7201/FLAG45a31cc99 [2024-06-28 04:36:31,982 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca28112e/c6507ecd9b654ced9ea8359b00fd7201 [2024-06-28 04:36:31,984 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 04:36:31,985 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 04:36:31,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml [2024-06-28 04:36:32,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 04:36:32,074 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 04:36:32,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:32,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 04:36:32,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 04:36:32,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:31" (1/2) ... [2024-06-28 04:36:32,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b69d5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:32, skipping insertion in model container [2024-06-28 04:36:32,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:31" (1/2) ... [2024-06-28 04:36:32,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@645ddfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:32, skipping insertion in model container [2024-06-28 04:36:32,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:32" (2/2) ... [2024-06-28 04:36:32,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b69d5ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32, skipping insertion in model container [2024-06-28 04:36:32,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:32" (2/2) ... [2024-06-28 04:36:32,083 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 04:36:32,138 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 04:36:32,140 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)) [2024-06-28 04:36:32,142 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 04:36:32,142 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-28 04:36:32,142 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-28 04:36:32,144 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-28 04:36:32,145 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-28 04:36:32,145 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-06-28 04:36:32,145 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-28 04:36:32,145 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-06-28 04:36:32,145 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-28 04:36:32,146 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-06-28 04:36:32,146 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-28 04:36:32,146 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-28 04:36:32,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 04:36:32,553 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:32,564 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 [2024-06-28 04:36:32,645 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:32,684 INFO L206 MainTranslator]: Completed translation [2024-06-28 04:36:32,684 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32 WrapperNode [2024-06-28 04:36:32,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:32,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:32,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 04:36:32,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 04:36:32,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,747 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-06-28 04:36:32,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:32,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 04:36:32,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 04:36:32,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 04:36:32,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,786 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]. [2024-06-28 04:36:32,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 04:36:32,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 04:36:32,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 04:36:32,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 04:36:32,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (1/1) ... [2024-06-28 04:36:32,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:32,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 04:36:32,853 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 04:36:32,878 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 04:36:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 04:36:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 04:36:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-28 04:36:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-28 04:36:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 04:36:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 04:36:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 04:36:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 04:36:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 04:36:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 04:36:32,899 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 04:36:33,028 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 04:36:33,029 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 04:36:33,162 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 04:36:33,162 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 04:36:33,304 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 04:36:33,304 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 04:36:33,305 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:33 BoogieIcfgContainer [2024-06-28 04:36:33,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 04:36:33,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 04:36:33,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 04:36:33,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 04:36:33,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 04:36:31" (1/4) ... [2024-06-28 04:36:33,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47138fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 04:36:33, skipping insertion in model container [2024-06-28 04:36:33,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:32" (2/4) ... [2024-06-28 04:36:33,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47138fd0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 04:36:33, skipping insertion in model container [2024-06-28 04:36:33,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:32" (3/4) ... [2024-06-28 04:36:33,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47138fd0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 04:36:33, skipping insertion in model container [2024-06-28 04:36:33,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:33" (4/4) ... [2024-06-28 04:36:33,314 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-06-28 04:36:33,329 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 04:36:33,330 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 04:36:33,330 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 04:36:33,373 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-28 04:36:33,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 59 flow [2024-06-28 04:36:33,447 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-06-28 04:36:33,447 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 04:36:33,449 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. [2024-06-28 04:36:33,449 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 26 transitions, 59 flow [2024-06-28 04:36:33,452 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-28 04:36:33,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 04:36:33,474 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;@5d3d4049, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 04:36:33,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 04:36:33,482 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 04:36:33,483 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 04:36:33,483 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 04:36:33,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 04:36:33,484 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 04:36:33,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 04:36:33,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 04:36:33,489 INFO L85 PathProgramCache]: Analyzing trace with hash 208384109, now seen corresponding path program 1 times [2024-06-28 04:36:33,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 04:36:33,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171928860] [2024-06-28 04:36:33,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 04:36:33,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 04:36:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 04:36:33,736 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 04:36:33,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 04:36:33,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171928860] [2024-06-28 04:36:33,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171928860] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 04:36:33,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 04:36:33,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 04:36:33,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551940174] [2024-06-28 04:36:33,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 04:36:33,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 04:36:33,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 04:36:33,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 04:36:33,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 04:36:33,799 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2024-06-28 04:36:33,822 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) [2024-06-28 04:36:33,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 04:36:33,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2024-06-28 04:36:33,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 04:36:33,903 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-28 04:36:33,903 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 04:36:33,905 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. [2024-06-28 04:36:33,906 INFO L140 encePairwiseOnDemand]: 22/26 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-28 04:36:33,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-28 04:36:33,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 04:36:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 04:36:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-28 04:36:33,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-28 04:36:33,918 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 39 transitions. [2024-06-28 04:36:33,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-28 04:36:33,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 04:36:33,924 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-28 04:36:33,925 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} [2024-06-28 04:36:33,929 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-28 04:36:33,929 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-28 04:36:33,929 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) [2024-06-28 04:36:33,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 04:36:33,930 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 04:36:33,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 04:36:33,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 04:36:33,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 04:36:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1926225186, now seen corresponding path program 1 times [2024-06-28 04:36:33,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 04:36:33,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295950470] [2024-06-28 04:36:33,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 04:36:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 04:36:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 04:36:34,100 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 04:36:34,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 04:36:34,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295950470] [2024-06-28 04:36:34,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295950470] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 04:36:34,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 04:36:34,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-28 04:36:34,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66211756] [2024-06-28 04:36:34,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 04:36:34,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-28 04:36:34,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 04:36:34,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-28 04:36:34,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-28 04:36:34,116 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2024-06-28 04:36:34,117 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) [2024-06-28 04:36:34,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 04:36:34,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2024-06-28 04:36:34,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 04:36:34,184 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-28 04:36:34,185 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-28 04:36:34,186 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. [2024-06-28 04:36:34,186 INFO L140 encePairwiseOnDemand]: 19/26 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-28 04:36:34,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 79 flow [2024-06-28 04:36:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-28 04:36:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-28 04:36:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2024-06-28 04:36:34,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3717948717948718 [2024-06-28 04:36:34,190 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 6 states and 58 transitions. [2024-06-28 04:36:34,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 79 flow [2024-06-28 04:36:34,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-28 04:36:34,192 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-06-28 04:36:34,195 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} [2024-06-28 04:36:34,196 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2024-06-28 04:36:34,197 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-06-28 04:36:34,197 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) [2024-06-28 04:36:34,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 04:36:34,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 04:36:34,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 04:36:34,208 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 04:36:34,215 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 04:36:34,215 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 04:36:34,223 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 04:36:34,223 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 04:36:34,224 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 04:36:34 BasicIcfg [2024-06-28 04:36:34,224 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 04:36:34,226 INFO L158 Benchmark]: Toolchain (without parser) took 2150.94ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 105.2MB in the beginning and 151.7MB in the end (delta: -46.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:34,227 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 50.3MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:34,227 INFO L158 Benchmark]: Witness Parser took 2.63ms. Allocated memory is still 174.1MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:34,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.90ms. Allocated memory is still 174.1MB. Free memory was 104.8MB in the beginning and 127.4MB in the end (delta: -22.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-06-28 04:36:34,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.72ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 04:36:34,232 INFO L158 Benchmark]: Boogie Preprocessor took 69.31ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 04:36:34,232 INFO L158 Benchmark]: RCFGBuilder took 488.05ms. Allocated memory is still 174.1MB. Free memory was 123.2MB in the beginning and 96.4MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-28 04:36:34,233 INFO L158 Benchmark]: TraceAbstraction took 916.35ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 95.1MB in the beginning and 151.7MB in the end (delta: -56.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:34,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 50.3MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 2.63ms. Allocated memory is still 174.1MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.90ms. Allocated memory is still 174.1MB. Free memory was 104.8MB in the beginning and 127.4MB in the end (delta: -22.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.72ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.31ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.05ms. Allocated memory is still 174.1MB. Free memory was 123.2MB in the beginning and 96.4MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 916.35ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 95.1MB in the beginning and 151.7MB in the end (delta: -56.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, 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, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.3s 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! [2024-06-28 04:36:34,274 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