./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.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_36-traces-ex-3_true.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_36-traces-ex-3_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_36-traces-ex-3_true.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 20:26:09,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-21 20:26:09,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-21 20:26:09,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-21 20:26:09,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-21 20:26:09,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-21 20:26:09,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-21 20:26:09,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-21 20:26:09,492 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-21 20:26:09,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-21 20:26:09,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-21 20:26:09,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-21 20:26:09,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-21 20:26:09,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-21 20:26:09,499 INFO L153 SettingsManager]: * Use SBE=true [2024-06-21 20:26:09,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-21 20:26:09,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-21 20:26:09,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-21 20:26:09,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-21 20:26:09,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-21 20:26:09,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-21 20:26:09,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-21 20:26:09,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-21 20:26:09,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-21 20:26:09,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-21 20:26:09,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-21 20:26:09,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-21 20:26:09,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-21 20:26:09,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-21 20:26:09,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-21 20:26:09,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-21 20:26:09,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-21 20:26:09,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 20:26:09,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-21 20:26:09,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-21 20:26:09,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-21 20:26:09,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-21 20:26:09,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-21 20:26:09,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-21 20:26:09,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-21 20:26:09,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-21 20:26:09,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-21 20:26:09,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-21 20:26:09,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-21 20:26:09,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-21 20:26:09,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-21 20:26:09,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-21 20:26:09,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-21 20:26:09,781 INFO L274 PluginConnector]: CDTParser initialized [2024-06-21 20:26:09,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-06-21 20:26:10,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-21 20:26:11,204 INFO L384 CDTParser]: Found 1 translation units. [2024-06-21 20:26:11,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-06-21 20:26:11,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4bff513/05a20e3166c540449739890131f2f366/FLAGe1bd05277 [2024-06-21 20:26:11,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4bff513/05a20e3166c540449739890131f2f366 [2024-06-21 20:26:11,243 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-21 20:26:11,243 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-21 20:26:11,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_36-traces-ex-3_true.yml/witness.yml [2024-06-21 20:26:11,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-21 20:26:11,362 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-21 20:26:11,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-21 20:26:11,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-21 20:26:11,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-21 20:26:11,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 08:26:11" (1/2) ... [2024-06-21 20:26:11,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c0f0b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 08:26:11, skipping insertion in model container [2024-06-21 20:26:11,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 08:26:11" (1/2) ... [2024-06-21 20:26:11,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59262fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 08:26:11, skipping insertion in model container [2024-06-21 20:26:11,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:26:11" (2/2) ... [2024-06-21 20:26:11,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c0f0b6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:11, skipping insertion in model container [2024-06-21 20:26:11,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:26:11" (2/2) ... [2024-06-21 20:26:11,374 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-21 20:26:11,408 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-21 20:26:11,410 INFO L97 edCorrectnessWitness]: Location invariant before [L696-L696] (! multithreaded || (g == 1 || g == 2)) && (! multithreaded || (B_locked || g == 2)) [2024-06-21 20:26:11,410 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-21 20:26:11,410 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-21 20:26:11,411 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-21 20:26:11,411 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-21 20:26:11,412 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] B_locked = 0; [2024-06-21 20:26:11,412 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 0; [2024-06-21 20:26:11,412 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] B_locked = 0; [2024-06-21 20:26:11,412 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] A_locked = 1; [2024-06-21 20:26:11,412 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] B_locked = 1; [2024-06-21 20:26:11,412 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-06-21 20:26:11,413 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-21 20:26:11,413 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] multithreaded = 1; [2024-06-21 20:26:11,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-21 20:26:11,776 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 20:26:11,789 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-21 20:26:11,863 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 20:26:11,899 INFO L206 MainTranslator]: Completed translation [2024-06-21 20:26:11,899 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 08:26:11 WrapperNode [2024-06-21 20:26:11,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-21 20:26:11,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-21 20:26:11,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-21 20:26:11,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-21 20:26:11,908 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,927 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,943 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-06-21 20:26:11,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-21 20:26:11,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-21 20:26:11,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-21 20:26:11,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-21 20:26:11,951 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,951 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,953 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,965 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 20:26:11,965 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,965 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,969 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,971 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,972 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,973 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-21 20:26:11,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-21 20:26:11,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-21 20:26:11,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-21 20:26:11,976 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 08:26:11" (1/1) ... [2024-06-21 20:26:11,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 20:26:11,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-21 20:26:12,006 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 20:26:12,009 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 20:26:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-21 20:26:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-21 20:26:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-21 20:26:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-21 20:26:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-21 20:26:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-21 20:26:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-21 20:26:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-21 20:26:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-21 20:26:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-21 20:26:12,035 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 20:26:12,143 INFO L244 CfgBuilder]: Building ICFG [2024-06-21 20:26:12,145 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-21 20:26:12,388 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-21 20:26:12,388 INFO L293 CfgBuilder]: Performing block encoding [2024-06-21 20:26:12,551 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-21 20:26:12,551 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-21 20:26:12,552 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 08:26:12 BoogieIcfgContainer [2024-06-21 20:26:12,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-21 20:26:12,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-21 20:26:12,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-21 20:26:12,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-21 20:26:12,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 08:26:11" (1/4) ... [2024-06-21 20:26:12,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f91d815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 08:26:12, skipping insertion in model container [2024-06-21 20:26:12,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 08:26:11" (2/4) ... [2024-06-21 20:26:12,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f91d815 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 08:26:12, skipping insertion in model container [2024-06-21 20:26:12,560 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 08:26:11" (3/4) ... [2024-06-21 20:26:12,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f91d815 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 08:26:12, skipping insertion in model container [2024-06-21 20:26:12,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 08:26:12" (4/4) ... [2024-06-21 20:26:12,563 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2024-06-21 20:26:12,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-21 20:26:12,579 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-21 20:26:12,579 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-21 20:26:12,613 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-21 20:26:12,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions, 52 flow [2024-06-21 20:26:12,673 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-06-21 20:26:12,673 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 20:26:12,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-21 20:26:12,675 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 24 transitions, 52 flow [2024-06-21 20:26:12,678 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-21 20:26:12,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-21 20:26:12,698 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;@30f5bd41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-21 20:26:12,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-21 20:26:12,708 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-21 20:26:12,709 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-21 20:26:12,709 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 20:26:12,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 20:26:12,710 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-21 20:26:12,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 20:26:12,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 20:26:12,715 INFO L85 PathProgramCache]: Analyzing trace with hash 206561173, now seen corresponding path program 1 times [2024-06-21 20:26:12,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 20:26:12,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950162443] [2024-06-21 20:26:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 20:26:12,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 20:26:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 20:26:12,960 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 20:26:12,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 20:26:12,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950162443] [2024-06-21 20:26:12,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950162443] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 20:26:12,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 20:26:12,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-21 20:26:12,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037816818] [2024-06-21 20:26:12,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 20:26:12,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 20:26:12,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 20:26:12,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 20:26:12,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 20:26:13,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 24 [2024-06-21 20:26:13,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 20:26:13,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 20:26:13,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 24 [2024-06-21 20:26:13,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 20:26:13,049 INFO L124 PetriNetUnfolderBase]: 9/36 cut-off events. [2024-06-21 20:26:13,050 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 20:26:13,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 36 events. 9/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 6 based on Foata normal form. 5/40 useless extension candidates. Maximal degree in co-relation 63. Up to 18 conditions per place. [2024-06-21 20:26:13,052 INFO L140 encePairwiseOnDemand]: 20/24 looper letters, 9 selfloop transitions, 3 changer transitions 0/15 dead transitions. [2024-06-21 20:26:13,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 57 flow [2024-06-21 20:26:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 20:26:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 20:26:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2024-06-21 20:26:13,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4722222222222222 [2024-06-21 20:26:13,064 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 34 transitions. [2024-06-21 20:26:13,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 57 flow [2024-06-21 20:26:13,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 56 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-21 20:26:13,069 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 41 flow [2024-06-21 20:26:13,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2024-06-21 20:26:13,074 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2024-06-21 20:26:13,074 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 41 flow [2024-06-21 20:26:13,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 20:26:13,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 20:26:13,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-21 20:26:13,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-21 20:26:13,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 20:26:13,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 20:26:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1013386009, now seen corresponding path program 1 times [2024-06-21 20:26:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 20:26:13,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033873160] [2024-06-21 20:26:13,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 20:26:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 20:26:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 20:26:13,204 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 20:26:13,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 20:26:13,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033873160] [2024-06-21 20:26:13,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033873160] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 20:26:13,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 20:26:13,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-21 20:26:13,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904798375] [2024-06-21 20:26:13,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 20:26:13,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-21 20:26:13,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 20:26:13,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-21 20:26:13,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-21 20:26:13,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 24 [2024-06-21 20:26:13,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 41 flow. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 20:26:13,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 20:26:13,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 24 [2024-06-21 20:26:13,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 20:26:13,266 INFO L124 PetriNetUnfolderBase]: 7/28 cut-off events. [2024-06-21 20:26:13,266 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-21 20:26:13,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 28 events. 7/28 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 24 event pairs, 2 based on Foata normal form. 3/31 useless extension candidates. Maximal degree in co-relation 53. Up to 9 conditions per place. [2024-06-21 20:26:13,267 INFO L140 encePairwiseOnDemand]: 17/24 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2024-06-21 20:26:13,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 15 transitions, 67 flow [2024-06-21 20:26:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-21 20:26:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-21 20:26:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2024-06-21 20:26:13,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3472222222222222 [2024-06-21 20:26:13,269 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 41 flow. Second operand 6 states and 50 transitions. [2024-06-21 20:26:13,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 15 transitions, 67 flow [2024-06-21 20:26:13,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 58 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 20:26:13,270 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2024-06-21 20:26:13,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, 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=6, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2024-06-21 20:26:13,271 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 3 predicate places. [2024-06-21 20:26:13,271 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2024-06-21 20:26:13,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 20:26:13,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-21 20:26:13,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-21 20:26:13,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-21 20:26:13,274 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-21 20:26:13,277 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-21 20:26:13,278 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-21 20:26:13,287 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-21 20:26:13,287 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-21 20:26:13,289 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 08:26:13 BasicIcfg [2024-06-21 20:26:13,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-21 20:26:13,292 INFO L158 Benchmark]: Toolchain (without parser) took 1927.80ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 76.9MB in the beginning and 88.9MB in the end (delta: -12.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-06-21 20:26:13,292 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 20:26:13,292 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 20:26:13,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.96ms. Allocated memory is still 136.3MB. Free memory was 76.4MB in the beginning and 51.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-21 20:26:13,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.70ms. Allocated memory is still 136.3MB. Free memory was 51.2MB in the beginning and 49.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 20:26:13,298 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 136.3MB. Free memory was 49.5MB in the beginning and 47.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 20:26:13,298 INFO L158 Benchmark]: RCFGBuilder took 576.68ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 47.0MB in the beginning and 135.0MB in the end (delta: -88.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-21 20:26:13,299 INFO L158 Benchmark]: TraceAbstraction took 734.71ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 88.9MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-06-21 20:26:13,304 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.96ms. Allocated memory is still 136.3MB. Free memory was 76.4MB in the beginning and 51.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.70ms. Allocated memory is still 136.3MB. Free memory was 51.2MB in the beginning and 49.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 136.3MB. Free memory was 49.5MB in the beginning and 47.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.68ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 47.0MB in the beginning and 135.0MB in the end (delta: -88.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 734.71ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 88.9MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: 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, 36 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 46 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=41occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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 20:26:13,337 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