./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i ./goblint.2024-05-21_14-57-05.files/protection/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.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-bcb38a6-m [2024-06-03 19:00:59,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 19:00:59,405 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 19:00:59,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 19:00:59,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 19:00:59,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 19:00:59,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 19:00:59,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 19:00:59,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 19:00:59,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 19:00:59,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 19:00:59,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 19:00:59,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 19:00:59,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 19:00:59,471 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 19:00:59,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 19:00:59,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 19:00:59,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 19:00:59,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 19:00:59,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 19:00:59,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 19:00:59,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 19:00:59,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 19:00:59,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 19:00:59,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 19:00:59,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 19:00:59,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 19:00:59,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 19:00:59,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 19:00:59,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 19:00:59,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 19:00:59,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 19:00:59,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 19:00:59,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 19:00:59,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 19:00:59,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 19:00:59,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 19:00:59,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 19:00:59,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 19:00:59,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 19:00:59,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 19:00:59,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 19:00:59,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 19:00:59,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 19:00:59,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 19:00:59,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 19:00:59,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 19:00:59,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 19:00:59,689 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 19:00:59,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-06-03 19:01:00,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 19:01:00,867 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 19:01:00,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-06-03 19:01:00,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011154763/358ef9f772874d92bb183768d1a0e380/FLAG9c9318af8 [2024-06-03 19:01:00,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/011154763/358ef9f772874d92bb183768d1a0e380 [2024-06-03 19:01:00,897 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 19:01:00,897 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 19:01:00,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml [2024-06-03 19:01:00,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 19:01:00,986 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 19:01:00,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 19:01:00,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 19:01:00,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 19:01:00,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 07:01:00" (1/2) ... [2024-06-03 19:01:00,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a4cfb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 07:01:00, skipping insertion in model container [2024-06-03 19:01:00,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 07:01:00" (1/2) ... [2024-06-03 19:01:00,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e4fe04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 07:01:00, skipping insertion in model container [2024-06-03 19:01:00,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 07:01:00" (2/2) ... [2024-06-03 19:01:00,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a4cfb0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:00, skipping insertion in model container [2024-06-03 19:01:00,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 07:01:00" (2/2) ... [2024-06-03 19:01:00,995 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 19:01:01,043 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 19:01:01,044 INFO L97 edCorrectnessWitness]: Location invariant before [L735-L735] ((! multithreaded || (-32768 <= g && -999 <= g)) && (! multithreaded || -1016 <= h)) && (! multithreaded || -968 <= i) [2024-06-03 19:01:01,045 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-03 19:01:01,045 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-03 19:01:01,045 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-03 19:01:01,045 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 19:01:01,046 INFO L106 edCorrectnessWitness]: ghost_update [L744-L744] B_locked = 0; [2024-06-03 19:01:01,046 INFO L106 edCorrectnessWitness]: ghost_update [L745-L745] C_locked = 1; [2024-06-03 19:01:01,046 INFO L106 edCorrectnessWitness]: ghost_update [L734-L734] multithreaded = 1; [2024-06-03 19:01:01,046 INFO L106 edCorrectnessWitness]: ghost_update [L743-L743] A_locked = 0; [2024-06-03 19:01:01,046 INFO L106 edCorrectnessWitness]: ghost_update [L714-L714] C_locked = 1; [2024-06-03 19:01:01,046 INFO L106 edCorrectnessWitness]: ghost_update [L725-L725] A_locked = 0; [2024-06-03 19:01:01,046 INFO L106 edCorrectnessWitness]: ghost_update [L726-L726] C_locked = 0; [2024-06-03 19:01:01,047 INFO L106 edCorrectnessWitness]: ghost_update [L736-L736] A_locked = 1; [2024-06-03 19:01:01,047 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] A_locked = 1; [2024-06-03 19:01:01,047 INFO L106 edCorrectnessWitness]: ghost_update [L719-L719] B_locked = 1; [2024-06-03 19:01:01,047 INFO L106 edCorrectnessWitness]: ghost_update [L735-L735] B_locked = 1; [2024-06-03 19:01:01,047 INFO L106 edCorrectnessWitness]: ghost_update [L747-L747] C_locked = 0; [2024-06-03 19:01:01,047 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] B_locked = 0; [2024-06-03 19:01:01,047 INFO L106 edCorrectnessWitness]: ghost_update [L740-L740] A_locked = 0; [2024-06-03 19:01:01,048 INFO L106 edCorrectnessWitness]: ghost_update [L741-L741] A_locked = 1; [2024-06-03 19:01:01,085 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 19:01:01,362 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 19:01:01,373 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 19:01:01,430 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 19:01:01,456 INFO L206 MainTranslator]: Completed translation [2024-06-03 19:01:01,456 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01 WrapperNode [2024-06-03 19:01:01,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 19:01:01,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 19:01:01,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 19:01:01,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 19:01:01,462 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 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,472 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 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,492 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 189 [2024-06-03 19:01:01,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 19:01:01,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 19:01:01,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 19:01:01,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 19:01:01,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,517 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-03 19:01:01,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 19:01:01,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 19:01:01,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 19:01:01,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 19:01:01,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (1/1) ... [2024-06-03 19:01:01,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 19:01:01,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 19:01:01,572 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) [2024-06-03 19:01:01,577 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 [2024-06-03 19:01:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-03 19:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 19:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-03 19:01:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-03 19:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 19:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-03 19:01:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-03 19:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-03 19:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-03 19:01:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 19:01:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 19:01:01,600 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 19:01:01,701 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 19:01:01,703 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 19:01:01,900 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 19:01:01,900 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 19:01:02,091 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 19:01:02,092 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 19:01:02,093 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 07:01:02 BoogieIcfgContainer [2024-06-03 19:01:02,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 19:01:02,096 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 19:01:02,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 19:01:02,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 19:01:02,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 07:01:00" (1/4) ... [2024-06-03 19:01:02,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205c0a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 07:01:02, skipping insertion in model container [2024-06-03 19:01:02,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 07:01:00" (2/4) ... [2024-06-03 19:01:02,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205c0a57 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 07:01:02, skipping insertion in model container [2024-06-03 19:01:02,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 07:01:01" (3/4) ... [2024-06-03 19:01:02,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205c0a57 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 07:01:02, skipping insertion in model container [2024-06-03 19:01:02,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 07:01:02" (4/4) ... [2024-06-03 19:01:02,101 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-06-03 19:01:02,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 19:01:02,115 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-03 19:01:02,115 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 19:01:02,147 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-03 19:01:02,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 43 transitions, 90 flow [2024-06-03 19:01:02,204 INFO L124 PetriNetUnfolderBase]: 1/43 cut-off events. [2024-06-03 19:01:02,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 19:01:02,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 43 events. 1/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2024-06-03 19:01:02,208 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 43 transitions, 90 flow [2024-06-03 19:01:02,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 41 transitions, 85 flow [2024-06-03 19:01:02,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 19:01:02,226 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;@4e05e4b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 19:01:02,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-03 19:01:02,229 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 19:01:02,229 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-03 19:01:02,229 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 19:01:02,230 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 19:01:02,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-03 19:01:02,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 19:01:02,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 19:01:02,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1479015872, now seen corresponding path program 1 times [2024-06-03 19:01:02,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 19:01:02,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657610128] [2024-06-03 19:01:02,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 19:01:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 19:01:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 19:01:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 19:01:02,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 19:01:02,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657610128] [2024-06-03 19:01:02,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657610128] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 19:01:02,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 19:01:02,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 19:01:02,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128244561] [2024-06-03 19:01:02,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 19:01:02,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 19:01:02,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 19:01:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 19:01:02,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 19:01:02,491 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 43 [2024-06-03 19:01:02,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 41 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-06-03 19:01:02,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 19:01:02,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 43 [2024-06-03 19:01:02,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 19:01:02,609 INFO L124 PetriNetUnfolderBase]: 172/427 cut-off events. [2024-06-03 19:01:02,609 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 19:01:02,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 427 events. 172/427 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1878 event pairs, 57 based on Foata normal form. 9/428 useless extension candidates. Maximal degree in co-relation 781. Up to 301 conditions per place. [2024-06-03 19:01:02,612 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 17 selfloop transitions, 2 changer transitions 30/54 dead transitions. [2024-06-03 19:01:02,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 54 transitions, 199 flow [2024-06-03 19:01:02,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 19:01:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 19:01:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2024-06-03 19:01:02,620 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.627906976744186 [2024-06-03 19:01:02,621 INFO L175 Difference]: Start difference. First operand has 44 places, 41 transitions, 85 flow. Second operand 3 states and 81 transitions. [2024-06-03 19:01:02,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 54 transitions, 199 flow [2024-06-03 19:01:02,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 54 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-03 19:01:02,625 INFO L231 Difference]: Finished difference. Result has 46 places, 23 transitions, 56 flow [2024-06-03 19:01:02,626 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=46, PETRI_TRANSITIONS=23} [2024-06-03 19:01:02,629 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2024-06-03 19:01:02,629 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 23 transitions, 56 flow [2024-06-03 19:01:02,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-06-03 19:01:02,629 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 19:01:02,629 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 19:01:02,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 19:01:02,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-03 19:01:02,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 19:01:02,630 INFO L85 PathProgramCache]: Analyzing trace with hash -289376006, now seen corresponding path program 1 times [2024-06-03 19:01:02,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 19:01:02,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896458473] [2024-06-03 19:01:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 19:01:02,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 19:01:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 19:01:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 19:01:02,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 19:01:02,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896458473] [2024-06-03 19:01:02,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896458473] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 19:01:02,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 19:01:02,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-03 19:01:02,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41550456] [2024-06-03 19:01:02,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 19:01:02,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-03 19:01:02,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 19:01:02,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-03 19:01:02,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-06-03 19:01:02,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 43 [2024-06-03 19:01:02,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 23 transitions, 56 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-06-03 19:01:02,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 19:01:02,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 43 [2024-06-03 19:01:02,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 19:01:02,849 INFO L124 PetriNetUnfolderBase]: 13/53 cut-off events. [2024-06-03 19:01:02,849 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-03 19:01:02,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 53 events. 13/53 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 5 based on Foata normal form. 4/57 useless extension candidates. Maximal degree in co-relation 92. Up to 24 conditions per place. [2024-06-03 19:01:02,852 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2024-06-03 19:01:02,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 96 flow [2024-06-03 19:01:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-03 19:01:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-03 19:01:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2024-06-03 19:01:02,858 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37790697674418605 [2024-06-03 19:01:02,858 INFO L175 Difference]: Start difference. First operand has 46 places, 23 transitions, 56 flow. Second operand 4 states and 65 transitions. [2024-06-03 19:01:02,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 96 flow [2024-06-03 19:01:02,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 24 transitions, 90 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-03 19:01:02,863 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2024-06-03 19:01:02,864 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0} [2024-06-03 19:01:02,864 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -17 predicate places. [2024-06-03 19:01:02,864 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow [2024-06-03 19:01:02,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-06-03 19:01:02,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-03 19:01:02,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-03 19:01:02,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 19:01:02,867 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-03 19:01:02,875 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-03 19:01:02,875 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-03 19:01:02,880 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-03 19:01:02,881 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-03 19:01:02,882 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.06 07:01:02 BasicIcfg [2024-06-03 19:01:02,882 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-03 19:01:02,882 INFO L158 Benchmark]: Toolchain (without parser) took 1896.51ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 107.9MB in the beginning and 190.3MB in the end (delta: -82.3MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-06-03 19:01:02,882 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 19:01:02,883 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-03 19:01:02,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.64ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 79.3MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-03 19:01:02,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.57ms. Allocated memory is still 167.8MB. Free memory was 79.3MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 19:01:02,886 INFO L158 Benchmark]: Boogie Preprocessor took 54.55ms. Allocated memory is still 167.8MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-03 19:01:02,886 INFO L158 Benchmark]: RCFGBuilder took 545.38ms. Allocated memory is still 167.8MB. Free memory was 74.4MB in the beginning and 105.7MB in the end (delta: -31.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-06-03 19:01:02,886 INFO L158 Benchmark]: TraceAbstraction took 785.79ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 104.8MB in the beginning and 190.3MB in the end (delta: -85.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-06-03 19:01:02,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.64ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 79.3MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.57ms. Allocated memory is still 167.8MB. Free memory was 79.3MB in the beginning and 76.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.55ms. Allocated memory is still 167.8MB. Free memory was 76.8MB in the beginning and 74.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.38ms. Allocated memory is still 167.8MB. Free memory was 74.4MB in the beginning and 105.7MB in the end (delta: -31.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 785.79ms. Allocated memory was 167.8MB in the beginning and 270.5MB in the end (delta: 102.8MB). Free memory was 104.8MB in the beginning and 190.3MB in the end (delta: -85.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 735]: 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, 59 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, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 3 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 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! [2024-06-03 19:01:02,911 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