./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_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_31-traces-mine-vs-mutex_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_31-traces-mine-vs-mutex_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-7724a2d-m [2024-06-28 02:45:13,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 02:45:13,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 02:45:13,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 02:45:13,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 02:45:13,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 02:45:13,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 02:45:13,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 02:45:13,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 02:45:13,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 02:45:13,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 02:45:13,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 02:45:13,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 02:45:13,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 02:45:13,218 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 02:45:13,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 02:45:13,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 02:45:13,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 02:45:13,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 02:45:13,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 02:45:13,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 02:45:13,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 02:45:13,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 02:45:13,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 02:45:13,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 02:45:13,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 02:45:13,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 02:45:13,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 02:45:13,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 02:45:13,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 02:45:13,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 02:45:13,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 02:45:13,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:13,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 02:45:13,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 02:45:13,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 02:45:13,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 02:45:13,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 02:45:13,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 02:45:13,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 02:45:13,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 02:45:13,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 02:45:13,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 02:45:13,225 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 02:45:13,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 02:45:13,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 02:45:13,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 02:45:13,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 02:45:13,410 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 02:45:13,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-06-28 02:45:14,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 02:45:14,593 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 02:45:14,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-06-28 02:45:14,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37556001/1cfa20103a4c42fd958a4fb799573964/FLAGf651710c5 [2024-06-28 02:45:14,613 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37556001/1cfa20103a4c42fd958a4fb799573964 [2024-06-28 02:45:14,615 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 02:45:14,615 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 02:45:14,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_31-traces-mine-vs-mutex_true.yml/witness.yml [2024-06-28 02:45:14,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 02:45:14,689 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 02:45:14,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:14,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 02:45:14,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 02:45:14,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:14" (1/2) ... [2024-06-28 02:45:14,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e59522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:14, skipping insertion in model container [2024-06-28 02:45:14,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:14" (1/2) ... [2024-06-28 02:45:14,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11dbeeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:14, skipping insertion in model container [2024-06-28 02:45:14,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:14" (2/2) ... [2024-06-28 02:45:14,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e59522e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:14, skipping insertion in model container [2024-06-28 02:45:14,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:14" (2/2) ... [2024-06-28 02:45:14,698 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 02:45:14,728 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 02:45:14,729 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (g == 0 || g == 1)) && (! multithreaded || (B_locked || (g == 0 || g == 1)))) && (! multithreaded || (A_locked || g == 0)) [2024-06-28 02:45:14,729 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-28 02:45:14,729 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-28 02:45:14,729 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 02:45:14,729 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] A_locked = 1; [2024-06-28 02:45:14,730 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-28 02:45:14,730 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-06-28 02:45:14,730 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 0; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] B_locked = 1; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] A_locked = 0; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] A_locked = 0; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 0; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] A_locked = 1; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 0; [2024-06-28 02:45:14,731 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 0; [2024-06-28 02:45:14,732 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-06-28 02:45:14,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 02:45:14,981 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:14,989 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 [2024-06-28 02:45:15,102 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:15,128 INFO L206 MainTranslator]: Completed translation [2024-06-28 02:45:15,128 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15 WrapperNode [2024-06-28 02:45:15,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:15,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:15,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 02:45:15,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 02:45:15,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,156 INFO L138 Inliner]: procedures = 162, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-06-28 02:45:15,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:15,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 02:45:15,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 02:45:15,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 02:45:15,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,173 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-28 02:45:15,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 02:45:15,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 02:45:15,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 02:45:15,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 02:45:15,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (1/1) ... [2024-06-28 02:45:15,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:15,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 02:45:15,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-28 02:45:15,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-28 02:45:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 02:45:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 02:45:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-28 02:45:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-28 02:45:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 02:45:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 02:45:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 02:45:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 02:45:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 02:45:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 02:45:15,229 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 02:45:15,327 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 02:45:15,328 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 02:45:15,461 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 02:45:15,461 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 02:45:15,556 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 02:45:15,564 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 02:45:15,564 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:15 BoogieIcfgContainer [2024-06-28 02:45:15,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 02:45:15,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 02:45:15,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 02:45:15,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 02:45:15,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 02:45:14" (1/4) ... [2024-06-28 02:45:15,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579b34a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:45:15, skipping insertion in model container [2024-06-28 02:45:15,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:14" (2/4) ... [2024-06-28 02:45:15,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579b34a7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:15, skipping insertion in model container [2024-06-28 02:45:15,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:15" (3/4) ... [2024-06-28 02:45:15,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579b34a7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:15, skipping insertion in model container [2024-06-28 02:45:15,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:15" (4/4) ... [2024-06-28 02:45:15,572 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2024-06-28 02:45:15,584 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 02:45:15,584 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 02:45:15,584 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 02:45:15,619 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-28 02:45:15,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 75 flow [2024-06-28 02:45:15,664 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-06-28 02:45:15,665 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:15,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 33 events. 0/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-28 02:45:15,668 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 75 flow [2024-06-28 02:45:15,672 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-28 02:45:15,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 02:45:15,689 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;@2a0d484f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 02:45:15,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 02:45:15,692 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 02:45:15,695 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 02:45:15,696 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:45:15,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:15,697 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 02:45:15,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:15,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:15,702 INFO L85 PathProgramCache]: Analyzing trace with hash 245394365, now seen corresponding path program 1 times [2024-06-28 02:45:15,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:15,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932173881] [2024-06-28 02:45:15,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:15,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:15,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:15,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932173881] [2024-06-28 02:45:15,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932173881] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:15,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:15,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 02:45:15,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389071457] [2024-06-28 02:45:15,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:15,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:45:15,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:15,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:45:15,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:45:15,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 34 [2024-06-28 02:45:15,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:15,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:15,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 34 [2024-06-28 02:45:15,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:16,046 INFO L124 PetriNetUnfolderBase]: 15/51 cut-off events. [2024-06-28 02:45:16,046 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:16,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 51 events. 15/51 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 8 based on Foata normal form. 3/51 useless extension candidates. Maximal degree in co-relation 89. Up to 35 conditions per place. [2024-06-28 02:45:16,048 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 12 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2024-06-28 02:45:16,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-28 02:45:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:45:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:45:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2024-06-28 02:45:16,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-28 02:45:16,061 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 51 transitions. [2024-06-28 02:45:16,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-28 02:45:16,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 02:45:16,065 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 46 flow [2024-06-28 02:45:16,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-28 02:45:16,069 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-28 02:45:16,069 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 46 flow [2024-06-28 02:45:16,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:16,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:16,070 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 02:45:16,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 02:45:16,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:16,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash -130121290, now seen corresponding path program 1 times [2024-06-28 02:45:16,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:16,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756402396] [2024-06-28 02:45:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:16,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:16,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756402396] [2024-06-28 02:45:16,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756402396] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:16,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:16,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-28 02:45:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647278552] [2024-06-28 02:45:16,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:16,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-28 02:45:16,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:16,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-28 02:45:16,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-06-28 02:45:16,284 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2024-06-28 02:45:16,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 46 flow. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:16,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:16,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2024-06-28 02:45:16,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:16,338 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-28 02:45:16,339 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-28 02:45:16,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 38 events. 9/38 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 33 event pairs, 0 based on Foata normal form. 7/44 useless extension candidates. Maximal degree in co-relation 67. Up to 10 conditions per place. [2024-06-28 02:45:16,339 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2024-06-28 02:45:16,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 21 transitions, 84 flow [2024-06-28 02:45:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-28 02:45:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-28 02:45:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 97 transitions. [2024-06-28 02:45:16,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40756302521008403 [2024-06-28 02:45:16,353 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 46 flow. Second operand 7 states and 97 transitions. [2024-06-28 02:45:16,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 21 transitions, 84 flow [2024-06-28 02:45:16,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-28 02:45:16,353 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2024-06-28 02:45:16,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2024-06-28 02:45:16,357 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 4 predicate places. [2024-06-28 02:45:16,357 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2024-06-28 02:45:16,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:16,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 02:45:16,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 02:45:16,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 02:45:16,360 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 02:45:16,362 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 02:45:16,362 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 02:45:16,374 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 02:45:16,374 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 02:45:16,374 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 02:45:16 BasicIcfg [2024-06-28 02:45:16,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 02:45:16,375 INFO L158 Benchmark]: Toolchain (without parser) took 1685.75ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 73.5MB in the beginning and 125.5MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:16,375 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:16,375 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:16,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.65ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 73.3MB in the beginning and 161.5MB in the end (delta: -88.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:16,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.49ms. Allocated memory is still 199.2MB. Free memory was 161.5MB in the beginning and 159.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:16,376 INFO L158 Benchmark]: Boogie Preprocessor took 25.17ms. Allocated memory is still 199.2MB. Free memory was 159.4MB in the beginning and 157.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:16,377 INFO L158 Benchmark]: RCFGBuilder took 382.71ms. Allocated memory is still 199.2MB. Free memory was 157.3MB in the beginning and 126.9MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-28 02:45:16,377 INFO L158 Benchmark]: TraceAbstraction took 808.52ms. Allocated memory is still 199.2MB. Free memory was 126.9MB in the beginning and 125.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:16,378 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.65ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 73.3MB in the beginning and 161.5MB in the end (delta: -88.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.49ms. Allocated memory is still 199.2MB. Free memory was 161.5MB in the beginning and 159.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.17ms. Allocated memory is still 199.2MB. Free memory was 159.4MB in the beginning and 157.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.71ms. Allocated memory is still 199.2MB. Free memory was 157.3MB in the beginning and 126.9MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 808.52ms. Allocated memory is still 199.2MB. Free memory was 126.9MB in the beginning and 125.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 50 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 02:45:16,401 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