./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_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_41-traces-ex-7_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_41-traces-ex-7_unknown_1_neg.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_41-traces-ex-7_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 22:15:50,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-21 22:15:51,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-21 22:15:51,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-21 22:15:51,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-21 22:15:51,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-21 22:15:51,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-21 22:15:51,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-21 22:15:51,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-21 22:15:51,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-21 22:15:51,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-21 22:15:51,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-21 22:15:51,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-21 22:15:51,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-21 22:15:51,080 INFO L153 SettingsManager]: * Use SBE=true [2024-06-21 22:15:51,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-21 22:15:51,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-21 22:15:51,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-21 22:15:51,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-21 22:15:51,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-21 22:15:51,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-21 22:15:51,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-21 22:15:51,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-21 22:15:51,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-21 22:15:51,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-21 22:15:51,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-21 22:15:51,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-21 22:15:51,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-21 22:15:51,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-21 22:15:51,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-21 22:15:51,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-21 22:15:51,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-21 22:15:51,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 22:15:51,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-21 22:15:51,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-21 22:15:51,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-21 22:15:51,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-21 22:15:51,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-21 22:15:51,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-21 22:15:51,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-21 22:15:51,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-21 22:15:51,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-21 22:15:51,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-21 22:15:51,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-21 22:15:51,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-21 22:15:51,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-21 22:15:51,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-21 22:15:51,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-21 22:15:51,290 INFO L274 PluginConnector]: CDTParser initialized [2024-06-21 22:15:51,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-06-21 22:15:52,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-21 22:15:52,528 INFO L384 CDTParser]: Found 1 translation units. [2024-06-21 22:15:52,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-06-21 22:15:52,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ea10973/e1ef70138fbe483e94866499a2318cb1/FLAGd0d1f712b [2024-06-21 22:15:52,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ea10973/e1ef70138fbe483e94866499a2318cb1 [2024-06-21 22:15:52,549 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-21 22:15:52,550 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-21 22:15:52,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml [2024-06-21 22:15:52,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-21 22:15:52,615 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-21 22:15:52,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-21 22:15:52,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-21 22:15:52,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-21 22:15:52,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:15:52" (1/2) ... [2024-06-21 22:15:52,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461676bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:15:52, skipping insertion in model container [2024-06-21 22:15:52,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:15:52" (1/2) ... [2024-06-21 22:15:52,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ccded3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:15:52, skipping insertion in model container [2024-06-21 22:15:52,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 10:15:52" (2/2) ... [2024-06-21 22:15:52,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461676bd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:52, skipping insertion in model container [2024-06-21 22:15:52,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 10:15:52" (2/2) ... [2024-06-21 22:15:52,628 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-21 22:15:52,654 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-21 22:15:52,655 INFO L97 edCorrectnessWitness]: Location invariant before [L695-L695] ((! multithreaded || (g == 0 || g == 17)) && (! multithreaded || (D_locked || (g == 0 || g == 17)))) && (! multithreaded || (A_locked || (g == 0 || g == 17))) [2024-06-21 22:15:52,656 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-06-21 22:15:52,656 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-21 22:15:52,656 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-21 22:15:52,656 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-21 22:15:52,656 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] D_locked = 0; [2024-06-21 22:15:52,656 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-21 22:15:52,656 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] D_locked = 1; [2024-06-21 22:15:52,657 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] multithreaded = 1; [2024-06-21 22:15:52,657 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] D_locked = 0; [2024-06-21 22:15:52,657 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-06-21 22:15:52,657 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-06-21 22:15:52,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-21 22:15:52,971 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 22:15:52,985 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 [2024-06-21 22:15:53,059 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 22:15:53,101 INFO L206 MainTranslator]: Completed translation [2024-06-21 22:15:53,109 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 10:15:53 WrapperNode [2024-06-21 22:15:53,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-21 22:15:53,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-21 22:15:53,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-21 22:15:53,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-21 22:15:53,116 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,125 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,148 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-06-21 22:15:53,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-21 22:15:53,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-21 22:15:53,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-21 22:15:53,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-21 22:15:53,159 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,160 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,170 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,181 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 22:15:53,181 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,181 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,184 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,185 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,186 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,187 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-21 22:15:53,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-21 22:15:53,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-21 22:15:53,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-21 22:15:53,190 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 10:15:53" (1/1) ... [2024-06-21 22:15:53,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 22:15:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-21 22:15:53,221 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 22:15:53,228 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 22:15:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-21 22:15:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-21 22:15:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-21 22:15:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-21 22:15:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-21 22:15:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-21 22:15:53,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-21 22:15:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-21 22:15:53,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-21 22:15:53,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-21 22:15:53,267 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 22:15:53,416 INFO L244 CfgBuilder]: Building ICFG [2024-06-21 22:15:53,418 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-21 22:15:53,545 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-21 22:15:53,545 INFO L293 CfgBuilder]: Performing block encoding [2024-06-21 22:15:53,661 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-21 22:15:53,662 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-21 22:15:53,662 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:15:53 BoogieIcfgContainer [2024-06-21 22:15:53,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-21 22:15:53,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-21 22:15:53,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-21 22:15:53,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-21 22:15:53,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 10:15:52" (1/4) ... [2024-06-21 22:15:53,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef8bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:15:53, skipping insertion in model container [2024-06-21 22:15:53,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 10:15:52" (2/4) ... [2024-06-21 22:15:53,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef8bad and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 10:15:53, skipping insertion in model container [2024-06-21 22:15:53,673 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 10:15:53" (3/4) ... [2024-06-21 22:15:53,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef8bad and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 10:15:53, skipping insertion in model container [2024-06-21 22:15:53,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:15:53" (4/4) ... [2024-06-21 22:15:53,674 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-06-21 22:15:53,691 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-21 22:15:53,691 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-21 22:15:53,691 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-21 22:15:53,728 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-21 22:15:53,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 48 flow [2024-06-21 22:15:53,780 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-06-21 22:15:53,780 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 22:15:53,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-21 22:15:53,783 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 22 transitions, 48 flow [2024-06-21 22:15:53,785 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-21 22:15:53,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-21 22:15:53,808 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;@64a6dbee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-21 22:15:53,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-21 22:15:53,816 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-21 22:15:53,816 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-21 22:15:53,816 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 22:15:53,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 22:15:53,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-21 22:15:53,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 22:15:53,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 22:15:53,825 INFO L85 PathProgramCache]: Analyzing trace with hash 194724405, now seen corresponding path program 1 times [2024-06-21 22:15:53,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 22:15:53,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347387111] [2024-06-21 22:15:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 22:15:53,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 22:15:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 22:15:54,051 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 22:15:54,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 22:15:54,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347387111] [2024-06-21 22:15:54,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347387111] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 22:15:54,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 22:15:54,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-21 22:15:54,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348423328] [2024-06-21 22:15:54,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 22:15:54,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 22:15:54,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 22:15:54,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 22:15:54,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 22:15:54,095 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 22 [2024-06-21 22:15:54,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 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 22:15:54,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 22:15:54,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 22 [2024-06-21 22:15:54,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 22:15:54,131 INFO L124 PetriNetUnfolderBase]: 9/33 cut-off events. [2024-06-21 22:15:54,131 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 22:15:54,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 33 events. 9/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 5 based on Foata normal form. 3/34 useless extension candidates. Maximal degree in co-relation 56. Up to 20 conditions per place. [2024-06-21 22:15:54,133 INFO L140 encePairwiseOnDemand]: 19/22 looper letters, 9 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2024-06-21 22:15:54,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 55 flow [2024-06-21 22:15:54,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 22:15:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 22:15:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2024-06-21 22:15:54,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-06-21 22:15:54,144 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 36 transitions. [2024-06-21 22:15:54,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 55 flow [2024-06-21 22:15:54,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-21 22:15:54,147 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 38 flow [2024-06-21 22:15:54,148 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=38, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2024-06-21 22:15:54,151 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2024-06-21 22:15:54,152 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 38 flow [2024-06-21 22:15:54,152 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 22:15:54,152 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 22:15:54,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-21 22:15:54,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-21 22:15:54,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 22:15:54,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 22:15:54,154 INFO L85 PathProgramCache]: Analyzing trace with hash 576386336, now seen corresponding path program 1 times [2024-06-21 22:15:54,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 22:15:54,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757135924] [2024-06-21 22:15:54,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 22:15:54,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 22:15:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 22:15:54,221 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 22:15:54,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 22:15:54,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757135924] [2024-06-21 22:15:54,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757135924] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 22:15:54,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 22:15:54,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-21 22:15:54,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432828299] [2024-06-21 22:15:54,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 22:15:54,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 22:15:54,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 22:15:54,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 22:15:54,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 22:15:54,229 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 22 [2024-06-21 22:15:54,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 22:15:54,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 22:15:54,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 22 [2024-06-21 22:15:54,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 22:15:54,252 INFO L124 PetriNetUnfolderBase]: 6/26 cut-off events. [2024-06-21 22:15:54,252 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-21 22:15:54,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 26 events. 6/26 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 2 based on Foata normal form. 4/29 useless extension candidates. Maximal degree in co-relation 46. Up to 12 conditions per place. [2024-06-21 22:15:54,253 INFO L140 encePairwiseOnDemand]: 20/22 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2024-06-21 22:15:54,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 14 transitions, 56 flow [2024-06-21 22:15:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 22:15:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 22:15:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2024-06-21 22:15:54,254 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5303030303030303 [2024-06-21 22:15:54,254 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 38 flow. Second operand 3 states and 35 transitions. [2024-06-21 22:15:54,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 14 transitions, 56 flow [2024-06-21 22:15:54,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 50 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 22:15:54,255 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-21 22:15:54,255 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-06-21 22:15:54,256 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-21 22:15:54,256 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-21 22:15:54,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 22:15:54,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-21 22:15:54,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-21 22:15:54,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-21 22:15:54,262 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-21 22:15:54,264 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-21 22:15:54,264 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-21 22:15:54,275 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-21 22:15:54,276 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-21 22:15:54,276 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:15:54 BasicIcfg [2024-06-21 22:15:54,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-21 22:15:54,277 INFO L158 Benchmark]: Toolchain (without parser) took 1661.56ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 97.2MB in the beginning and 139.5MB in the end (delta: -42.3MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-06-21 22:15:54,277 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 22:15:54,277 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 22:15:54,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.06ms. Allocated memory is still 159.4MB. Free memory was 96.7MB in the beginning and 71.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-21 22:15:54,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.98ms. Allocated memory is still 159.4MB. Free memory was 71.6MB in the beginning and 69.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 22:15:54,278 INFO L158 Benchmark]: Boogie Preprocessor took 39.15ms. Allocated memory is still 159.4MB. Free memory was 69.3MB in the beginning and 67.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 22:15:54,279 INFO L158 Benchmark]: RCFGBuilder took 473.50ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 67.4MB in the beginning and 181.4MB in the end (delta: -114.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-06-21 22:15:54,279 INFO L158 Benchmark]: TraceAbstraction took 610.23ms. Allocated memory is still 232.8MB. Free memory was 181.4MB in the beginning and 139.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-06-21 22:15:54,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.06ms. Allocated memory is still 159.4MB. Free memory was 96.7MB in the beginning and 71.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.98ms. Allocated memory is still 159.4MB. Free memory was 71.6MB in the beginning and 69.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.15ms. Allocated memory is still 159.4MB. Free memory was 69.3MB in the beginning and 67.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.50ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 67.4MB in the beginning and 181.4MB in the end (delta: -114.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 610.23ms. Allocated memory is still 232.8MB. Free memory was 181.4MB in the beginning and 139.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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, 34 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 23 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 22:15:54,309 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