./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_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/protection/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_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_45-traces-per-global-and-current-lock-mine-incomparable_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_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 [2024-06-27 19:41:34,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 19:41:34,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 19:41:34,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 19:41:34,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 19:41:34,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 19:41:34,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 19:41:34,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 19:41:34,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 19:41:34,812 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 19:41:34,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 19:41:34,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 19:41:34,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 19:41:34,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 19:41:34,814 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 19:41:34,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 19:41:34,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 19:41:34,815 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 19:41:34,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 19:41:34,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 19:41:34,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 19:41:34,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 19:41:34,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 19:41:34,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 19:41:34,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 19:41:34,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 19:41:34,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 19:41:34,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 19:41:34,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 19:41:34,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 19:41:34,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 19:41:34,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 19:41:34,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:41:34,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 19:41:34,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 19:41:34,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 19:41:34,821 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 19:41:34,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 19:41:34,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 19:41:34,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 19:41:34,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 19:41:34,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 19:41:34,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 19:41:34,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 19:41:35,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 19:41:35,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 19:41:35,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 19:41:35,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 19:41:35,117 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 19:41:35,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-06-27 19:41:36,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 19:41:36,462 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 19:41:36,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-06-27 19:41:36,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da73c0c21/539d20b955d345e4bfbc9abaeac30d6b/FLAGd73a4296c [2024-06-27 19:41:36,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da73c0c21/539d20b955d345e4bfbc9abaeac30d6b [2024-06-27 19:41:36,490 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 19:41:36,490 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 19:41:36,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml [2024-06-27 19:41:36,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 19:41:36,621 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 19:41:36,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 19:41:36,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 19:41:36,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 19:41:36,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:41:36" (1/2) ... [2024-06-27 19:41:36,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0f8bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:41:36, skipping insertion in model container [2024-06-27 19:41:36,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:41:36" (1/2) ... [2024-06-27 19:41:36,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29ca45ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:41:36, skipping insertion in model container [2024-06-27 19:41:36,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:36" (2/2) ... [2024-06-27 19:41:36,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0f8bb1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:36, skipping insertion in model container [2024-06-27 19:41:36,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:36" (2/2) ... [2024-06-27 19:41:36,634 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 19:41:36,667 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 19:41:36,669 INFO L97 edCorrectnessWitness]: Location invariant before [L695-L695] ! multithreaded || ((g == 0 || g == 17) || g == 42) [2024-06-27 19:41:36,669 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 19:41:36,669 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-27 19:41:36,670 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-27 19:41:36,670 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] multithreaded = 1; [2024-06-27 19:41:36,671 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-27 19:41:36,671 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-06-27 19:41:36,671 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] A_locked = 0; [2024-06-27 19:41:36,671 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] A_locked = 1; [2024-06-27 19:41:36,671 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-27 19:41:36,672 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] B_locked = 1; [2024-06-27 19:41:36,672 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-27 19:41:36,672 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] B_locked = 0; [2024-06-27 19:41:36,672 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 0; [2024-06-27 19:41:36,672 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] B_locked = 1; [2024-06-27 19:41:36,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 19:41:36,992 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:41:37,004 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 [2024-06-27 19:41:37,094 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:41:37,142 INFO L206 MainTranslator]: Completed translation [2024-06-27 19:41:37,143 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37 WrapperNode [2024-06-27 19:41:37,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 19:41:37,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 19:41:37,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 19:41:37,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 19:41:37,151 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 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,182 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 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,208 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-06-27 19:41:37,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 19:41:37,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 19:41:37,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 19:41:37,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 19:41:37,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,249 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]. [2024-06-27 19:41:37,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 19:41:37,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 19:41:37,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 19:41:37,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 19:41:37,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (1/1) ... [2024-06-27 19:41:37,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:41:37,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 19:41:37,378 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) [2024-06-27 19:41:37,400 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 [2024-06-27 19:41:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 19:41:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 19:41:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-27 19:41:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-27 19:41:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 19:41:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 19:41:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-27 19:41:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 19:41:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 19:41:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 19:41:37,428 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 19:41:37,526 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 19:41:37,528 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 19:41:37,652 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 19:41:37,652 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 19:41:37,815 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 19:41:37,818 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 19:41:37,819 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:37 BoogieIcfgContainer [2024-06-27 19:41:37,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 19:41:37,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 19:41:37,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 19:41:37,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 19:41:37,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 07:41:36" (1/4) ... [2024-06-27 19:41:37,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19633593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:41:37, skipping insertion in model container [2024-06-27 19:41:37,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:36" (2/4) ... [2024-06-27 19:41:37,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19633593 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:41:37, skipping insertion in model container [2024-06-27 19:41:37,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:37" (3/4) ... [2024-06-27 19:41:37,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19633593 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:41:37, skipping insertion in model container [2024-06-27 19:41:37,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:37" (4/4) ... [2024-06-27 19:41:37,829 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-06-27 19:41:37,844 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 19:41:37,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-27 19:41:37,845 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 19:41:37,879 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 19:41:37,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 60 flow [2024-06-27 19:41:37,951 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-27 19:41:37,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:41:37,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-27 19:41:37,959 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 28 transitions, 60 flow [2024-06-27 19:41:37,962 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-27 19:41:37,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 19:41:37,986 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;@676b769f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 19:41:37,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-27 19:41:38,001 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 19:41:38,002 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-27 19:41:38,002 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:41:38,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:38,003 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 19:41:38,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:38,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:38,010 INFO L85 PathProgramCache]: Analyzing trace with hash 222813442, now seen corresponding path program 1 times [2024-06-27 19:41:38,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:38,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683107690] [2024-06-27 19:41:38,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:38,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:38,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:38,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683107690] [2024-06-27 19:41:38,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683107690] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:38,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:38,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 19:41:38,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051250985] [2024-06-27 19:41:38,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:38,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:38,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:38,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:38,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:38,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 28 [2024-06-27 19:41:38,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 19:41:38,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:38,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 28 [2024-06-27 19:41:38,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:38,326 INFO L124 PetriNetUnfolderBase]: 9/33 cut-off events. [2024-06-27 19:41:38,327 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-27 19:41:38,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 33 events. 9/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 5 based on Foata normal form. 3/34 useless extension candidates. Maximal degree in co-relation 56. Up to 20 conditions per place. [2024-06-27 19:41:38,329 INFO L140 encePairwiseOnDemand]: 25/28 looper letters, 9 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2024-06-27 19:41:38,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 55 flow [2024-06-27 19:41:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-27 19:41:38,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2024-06-27 19:41:38,341 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 39 transitions. [2024-06-27 19:41:38,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 55 flow [2024-06-27 19:41:38,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 19:41:38,345 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 38 flow [2024-06-27 19:41:38,346 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=38, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2024-06-27 19:41:38,349 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2024-06-27 19:41:38,349 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 38 flow [2024-06-27 19:41:38,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 19:41:38,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:38,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 19:41:38,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 19:41:38,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:38,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:38,351 INFO L85 PathProgramCache]: Analyzing trace with hash -800808171, now seen corresponding path program 1 times [2024-06-27 19:41:38,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:38,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081358513] [2024-06-27 19:41:38,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:38,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:38,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081358513] [2024-06-27 19:41:38,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081358513] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:38,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:38,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 19:41:38,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174220493] [2024-06-27 19:41:38,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:38,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:38,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:38,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:38,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:38,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 28 [2024-06-27 19:41:38,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-06-27 19:41:38,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:38,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 28 [2024-06-27 19:41:38,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:38,482 INFO L124 PetriNetUnfolderBase]: 6/26 cut-off events. [2024-06-27 19:41:38,482 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-27 19:41:38,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 26 events. 6/26 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 2 based on Foata normal form. 4/29 useless extension candidates. Maximal degree in co-relation 46. Up to 12 conditions per place. [2024-06-27 19:41:38,483 INFO L140 encePairwiseOnDemand]: 26/28 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2024-06-27 19:41:38,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 14 transitions, 56 flow [2024-06-27 19:41:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-27 19:41:38,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-27 19:41:38,489 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 38 flow. Second operand 3 states and 38 transitions. [2024-06-27 19:41:38,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 14 transitions, 56 flow [2024-06-27 19:41:38,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 50 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-27 19:41:38,492 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-27 19:41:38,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-06-27 19:41:38,493 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-27 19:41:38,494 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-27 19:41:38,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-06-27 19:41:38,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-27 19:41:38,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-27 19:41:38,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 19:41:38,504 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-27 19:41:38,507 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 19:41:38,507 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 19:41:38,516 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-27 19:41:38,517 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-27 19:41:38,518 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 07:41:38 BasicIcfg [2024-06-27 19:41:38,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 19:41:38,520 INFO L158 Benchmark]: Toolchain (without parser) took 1898.45ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 51.4MB in the end (delta: 56.5MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-06-27 19:41:38,521 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:38,522 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:38,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.98ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 82.5MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-27 19:41:38,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.03ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 80.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:38,527 INFO L158 Benchmark]: Boogie Preprocessor took 62.90ms. Allocated memory is still 146.8MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:38,528 INFO L158 Benchmark]: RCFGBuilder took 546.54ms. Allocated memory is still 146.8MB. Free memory was 78.5MB in the beginning and 90.2MB in the end (delta: -11.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-27 19:41:38,528 INFO L158 Benchmark]: TraceAbstraction took 695.86ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 51.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-06-27 19:41:38,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.98ms. Allocated memory is still 146.8MB. Free memory was 107.9MB in the beginning and 82.5MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.03ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 80.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.90ms. Allocated memory is still 146.8MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.54ms. Allocated memory is still 146.8MB. Free memory was 78.5MB in the beginning and 90.2MB in the end (delta: -11.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 695.86ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 51.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-27 19:41:38,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE