./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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_32-traces-mine-vs-oplus-vs-meet_true.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_32-traces-mine-vs-oplus-vs-meet_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-76401ed-m [2024-06-20 18:09:34,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 18:09:34,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 18:09:34,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 18:09:34,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 18:09:34,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 18:09:34,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 18:09:34,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 18:09:34,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 18:09:34,204 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 18:09:34,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 18:09:34,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 18:09:34,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 18:09:34,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 18:09:34,207 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 18:09:34,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 18:09:34,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 18:09:34,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 18:09:34,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 18:09:34,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 18:09:34,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 18:09:34,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 18:09:34,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 18:09:34,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 18:09:34,218 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 18:09:34,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 18:09:34,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 18:09:34,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 18:09:34,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 18:09:34,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 18:09:34,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 18:09:34,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 18:09:34,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:09:34,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 18:09:34,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 18:09:34,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 18:09:34,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 18:09:34,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 18:09:34,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 18:09:34,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 18:09:34,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 18:09:34,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 18:09:34,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 18:09:34,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 18:09:34,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 18:09:34,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 18:09:34,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 18:09:34,650 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 18:09:34,651 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 18:09:34,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml [2024-06-20 18:09:34,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 18:09:34,793 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 18:09:34,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-20 18:09:35,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 18:09:36,229 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 18:09:36,229 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-20 18:09:36,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/614abd972/f031faa015164b01b1e0d968a6d79dc1/FLAG86890041e [2024-06-20 18:09:36,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/614abd972/f031faa015164b01b1e0d968a6d79dc1 [2024-06-20 18:09:36,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 18:09:36,255 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 18:09:36,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 18:09:36,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 18:09:36,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 18:09:36,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:09:34" (1/2) ... [2024-06-20 18:09:36,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a42c4bc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:09:36, skipping insertion in model container [2024-06-20 18:09:36,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:09:34" (1/2) ... [2024-06-20 18:09:36,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fa03d4e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:09:36, skipping insertion in model container [2024-06-20 18:09:36,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:09:36" (2/2) ... [2024-06-20 18:09:36,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a42c4bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36, skipping insertion in model container [2024-06-20 18:09:36,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:09:36" (2/2) ... [2024-06-20 18:09:36,264 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 18:09:36,313 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 18:09:36,315 INFO L97 edCorrectnessWitness]: Location invariant before [L701-L701] (((! multithreaded || (C_locked || g == 0)) && (! multithreaded || ((((0 <= g && g <= 5) && g <= 127) && g % 5 == 0) && (g == 0 || g == 5)))) && (! multithreaded || (B_locked || ((((0 <= g && g <= 5) && g <= 127) && g % 5 == 0) && (g == 0 || g == 5))))) && (! multithreaded || (A_locked || g == 0)) [2024-06-20 18:09:36,315 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-20 18:09:36,315 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-20 18:09:36,315 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 18:09:36,315 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-20 18:09:36,316 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] B_locked = 0; [2024-06-20 18:09:36,316 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] multithreaded = 1; [2024-06-20 18:09:36,316 INFO L106 edCorrectnessWitness]: ghost_update [L710-L710] A_locked = 0; [2024-06-20 18:09:36,317 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-20 18:09:36,317 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] B_locked = 0; [2024-06-20 18:09:36,317 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] A_locked = 1; [2024-06-20 18:09:36,317 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 1; [2024-06-20 18:09:36,317 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 1; [2024-06-20 18:09:36,317 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] C_locked = 1; [2024-06-20 18:09:36,318 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] A_locked = 0; [2024-06-20 18:09:36,318 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 1; [2024-06-20 18:09:36,318 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] B_locked = 1; [2024-06-20 18:09:36,318 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] B_locked = 0; [2024-06-20 18:09:36,318 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] C_locked = 0; [2024-06-20 18:09:36,318 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] B_locked = 0; [2024-06-20 18:09:36,318 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] C_locked = 1; [2024-06-20 18:09:36,319 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] C_locked = 0; [2024-06-20 18:09:36,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 18:09:36,650 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:09:36,667 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 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 [2024-06-20 18:09:36,775 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:09:36,844 INFO L206 MainTranslator]: Completed translation [2024-06-20 18:09:36,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36 WrapperNode [2024-06-20 18:09:36,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 18:09:36,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 18:09:36,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 18:09:36,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 18:09:36,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,886 INFO L138 Inliner]: procedures = 162, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 95 [2024-06-20 18:09:36,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 18:09:36,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 18:09:36,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 18:09:36,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 18:09:36,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,911 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-20 18:09:36,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 18:09:36,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 18:09:36,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 18:09:36,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 18:09:36,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (1/1) ... [2024-06-20 18:09:36,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:09:36,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:09:36,968 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) [2024-06-20 18:09:36,973 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 [2024-06-20 18:09:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-20 18:09:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 18:09:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-20 18:09:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-20 18:09:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 18:09:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 18:09:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-20 18:09:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-20 18:09:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-20 18:09:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 18:09:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 18:09:37,001 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 18:09:37,160 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 18:09:37,162 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 18:09:37,438 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 18:09:37,438 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 18:09:37,598 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 18:09:37,598 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-20 18:09:37,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:09:37 BoogieIcfgContainer [2024-06-20 18:09:37,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 18:09:37,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 18:09:37,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 18:09:37,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 18:09:37,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:09:34" (1/4) ... [2024-06-20 18:09:37,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514a01fb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:09:37, skipping insertion in model container [2024-06-20 18:09:37,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 06:09:36" (2/4) ... [2024-06-20 18:09:37,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514a01fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 06:09:37, skipping insertion in model container [2024-06-20 18:09:37,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:09:36" (3/4) ... [2024-06-20 18:09:37,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514a01fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 06:09:37, skipping insertion in model container [2024-06-20 18:09:37,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:09:37" (4/4) ... [2024-06-20 18:09:37,609 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-20 18:09:37,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 18:09:37,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-20 18:09:37,626 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 18:09:37,653 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-20 18:09:37,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 91 flow [2024-06-20 18:09:37,705 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-06-20 18:09:37,705 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 18:09:37,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 41 events. 0/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-20 18:09:37,707 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 42 transitions, 91 flow [2024-06-20 18:09:37,710 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 22 transitions, 47 flow [2024-06-20 18:09:37,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 18:09:37,723 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;@690278d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 18:09:37,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-20 18:09:37,727 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 18:09:37,727 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-20 18:09:37,727 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 18:09:37,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:09:37,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-20 18:09:37,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 18:09:37,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:09:37,733 INFO L85 PathProgramCache]: Analyzing trace with hash 317893944, now seen corresponding path program 1 times [2024-06-20 18:09:37,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:09:37,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400974595] [2024-06-20 18:09:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:09:37,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:09:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:09:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:09:38,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:09:38,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400974595] [2024-06-20 18:09:38,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400974595] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 18:09:38,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 18:09:38,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-20 18:09:38,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320846590] [2024-06-20 18:09:38,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 18:09:38,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 18:09:38,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:09:38,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 18:09:38,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 18:09:38,124 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-06-20 18:09:38,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 18:09:38,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:09:38,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-06-20 18:09:38,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:09:38,183 INFO L124 PetriNetUnfolderBase]: 13/58 cut-off events. [2024-06-20 18:09:38,184 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 18:09:38,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 58 events. 13/58 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 10 based on Foata normal form. 9/63 useless extension candidates. Maximal degree in co-relation 99. Up to 32 conditions per place. [2024-06-20 18:09:38,187 INFO L140 encePairwiseOnDemand]: 38/42 looper letters, 13 selfloop transitions, 3 changer transitions 0/23 dead transitions. [2024-06-20 18:09:38,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 23 transitions, 81 flow [2024-06-20 18:09:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 18:09:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 18:09:38,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-06-20 18:09:38,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49206349206349204 [2024-06-20 18:09:38,200 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 47 flow. Second operand 3 states and 62 transitions. [2024-06-20 18:09:38,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 23 transitions, 81 flow [2024-06-20 18:09:38,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 23 transitions, 80 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-20 18:09:38,205 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 57 flow [2024-06-20 18:09:38,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2024-06-20 18:09:38,213 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2024-06-20 18:09:38,213 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 57 flow [2024-06-20 18:09:38,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 18:09:38,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:09:38,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:09:38,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 18:09:38,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 18:09:38,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:09:38,216 INFO L85 PathProgramCache]: Analyzing trace with hash 285744367, now seen corresponding path program 1 times [2024-06-20 18:09:38,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:09:38,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390049047] [2024-06-20 18:09:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:09:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:09:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:09:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:09:38,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:09:38,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390049047] [2024-06-20 18:09:38,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390049047] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 18:09:38,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 18:09:38,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 18:09:38,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429738286] [2024-06-20 18:09:38,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 18:09:38,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-20 18:09:38,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:09:38,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-20 18:09:38,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-06-20 18:09:38,522 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-06-20 18:09:38,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 57 flow. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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) [2024-06-20 18:09:38,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:09:38,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-06-20 18:09:38,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:09:38,588 INFO L124 PetriNetUnfolderBase]: 12/58 cut-off events. [2024-06-20 18:09:38,589 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-20 18:09:38,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 58 events. 12/58 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 2 based on Foata normal form. 1/58 useless extension candidates. Maximal degree in co-relation 106. Up to 12 conditions per place. [2024-06-20 18:09:38,593 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 11 selfloop transitions, 9 changer transitions 0/27 dead transitions. [2024-06-20 18:09:38,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 27 transitions, 109 flow [2024-06-20 18:09:38,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 18:09:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 18:09:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 111 transitions. [2024-06-20 18:09:38,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44047619047619047 [2024-06-20 18:09:38,603 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 57 flow. Second operand 6 states and 111 transitions. [2024-06-20 18:09:38,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 27 transitions, 109 flow [2024-06-20 18:09:38,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 27 transitions, 103 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-20 18:09:38,605 INFO L231 Difference]: Finished difference. Result has 32 places, 22 transitions, 73 flow [2024-06-20 18:09:38,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=73, PETRI_PLACES=32, PETRI_TRANSITIONS=22} [2024-06-20 18:09:38,608 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 6 predicate places. [2024-06-20 18:09:38,608 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 73 flow [2024-06-20 18:09:38,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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) [2024-06-20 18:09:38,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:09:38,609 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:09:38,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-20 18:09:38,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 18:09:38,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:09:38,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1312324172, now seen corresponding path program 1 times [2024-06-20 18:09:38,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:09:38,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468836271] [2024-06-20 18:09:38,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:09:38,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:09:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:09:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:09:38,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:09:38,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468836271] [2024-06-20 18:09:38,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468836271] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 18:09:38,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 18:09:38,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-20 18:09:38,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131185685] [2024-06-20 18:09:38,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 18:09:38,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-20 18:09:38,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:09:38,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-20 18:09:38,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-06-20 18:09:38,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-06-20 18:09:38,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 73 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-06-20 18:09:38,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:09:38,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-06-20 18:09:38,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:09:38,816 INFO L124 PetriNetUnfolderBase]: 11/48 cut-off events. [2024-06-20 18:09:38,816 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-06-20 18:09:38,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 48 events. 11/48 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 44 event pairs, 2 based on Foata normal form. 2/49 useless extension candidates. Maximal degree in co-relation 101. Up to 12 conditions per place. [2024-06-20 18:09:38,817 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2024-06-20 18:09:38,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 24 transitions, 107 flow [2024-06-20 18:09:38,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-20 18:09:38,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-20 18:09:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions. [2024-06-20 18:09:38,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44285714285714284 [2024-06-20 18:09:38,819 INFO L175 Difference]: Start difference. First operand has 32 places, 22 transitions, 73 flow. Second operand 5 states and 93 transitions. [2024-06-20 18:09:38,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 24 transitions, 107 flow [2024-06-20 18:09:38,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 24 transitions, 84 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-20 18:09:38,820 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2024-06-20 18:09:38,820 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2024-06-20 18:09:38,821 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2024-06-20 18:09:38,821 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2024-06-20 18:09:38,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2024-06-20 18:09:38,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-20 18:09:38,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-20 18:09:38,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-20 18:09:38,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-06-20 18:09:38,828 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 18:09:38,828 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 18:09:38,831 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-20 18:09:38,831 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-20 18:09:38,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 06:09:38 BasicIcfg [2024-06-20 18:09:38,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 18:09:38,833 INFO L158 Benchmark]: Toolchain (without parser) took 2578.32ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 109.6MB in the end (delta: -164.7kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-06-20 18:09:38,833 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:09:38,834 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:09:38,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.29ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 135.0MB in the end (delta: -25.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-06-20 18:09:38,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.42ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 18:09:38,835 INFO L158 Benchmark]: Boogie Preprocessor took 35.24ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 18:09:38,835 INFO L158 Benchmark]: RCFGBuilder took 676.00ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 93.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-06-20 18:09:38,835 INFO L158 Benchmark]: TraceAbstraction took 1231.43ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 109.6MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:09:38,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.29ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 135.0MB in the end (delta: -25.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.42ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.24ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.00ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 93.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1231.43ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 109.6MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 701]: 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, 62 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 3 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2024-06-20 18:09:38,864 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