./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 cde23df1 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-cde23df-m [2024-06-14 11:43:06,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 11:43:06,958 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 11:43:06,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 11:43:06,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 11:43:06,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 11:43:06,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 11:43:06,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 11:43:06,988 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 11:43:06,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 11:43:06,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 11:43:06,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 11:43:06,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 11:43:06,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 11:43:06,993 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 11:43:06,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 11:43:06,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 11:43:06,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 11:43:06,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 11:43:06,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 11:43:06,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 11:43:06,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 11:43:06,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 11:43:06,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 11:43:06,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 11:43:06,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 11:43:06,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 11:43:06,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 11:43:06,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 11:43:06,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 11:43:06,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 11:43:06,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 11:43:06,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:43:06,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 11:43:06,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 11:43:06,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 11:43:06,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 11:43:06,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 11:43:07,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 11:43:07,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 11:43:07,000 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 11:43:07,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 11:43:07,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 11:43:07,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 11:43:07,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 11:43:07,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 11:43:07,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 11:43:07,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 11:43:07,296 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 11:43:07,297 INFO L431 ainManager$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 [2024-06-14 11:43:08,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 11:43:08,727 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 11:43:08,727 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 [2024-06-14 11:43:08,743 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b313f2cb/3b1eb5508f454c6e8af6fd138dab9268/FLAGa49d7055b [2024-06-14 11:43:08,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b313f2cb/3b1eb5508f454c6e8af6fd138dab9268 [2024-06-14 11:43:08,763 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 11:43:08,765 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 11:43:08,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.yml/witness.yml [2024-06-14 11:43:08,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 11:43:08,863 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 11:43:08,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 11:43:08,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 11:43:08,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 11:43:08,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:43:08" (1/2) ... [2024-06-14 11:43:08,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce6194f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:43:08, skipping insertion in model container [2024-06-14 11:43:08,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:43:08" (1/2) ... [2024-06-14 11:43:08,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2887d2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:43:08, skipping insertion in model container [2024-06-14 11:43:08,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:43:08" (2/2) ... [2024-06-14 11:43:08,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce6194f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:08, skipping insertion in model container [2024-06-14 11:43:08,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:43:08" (2/2) ... [2024-06-14 11:43:08,885 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 11:43:08,925 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 11:43:08,926 INFO L97 edCorrectnessWitness]: Location invariant before [L735-L735] ((! multithreaded || (-32768 <= g && -999 <= g)) && (! multithreaded || -1016 <= h)) && (! multithreaded || -968 <= i) [2024-06-14 11:43:08,927 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-14 11:43:08,927 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-14 11:43:08,927 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 11:43:08,927 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 11:43:08,928 INFO L106 edCorrectnessWitness]: ghost_update [L744-L744] B_locked = 0; [2024-06-14 11:43:08,928 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] A_locked = 1; [2024-06-14 11:43:08,928 INFO L106 edCorrectnessWitness]: ghost_update [L740-L740] A_locked = 0; [2024-06-14 11:43:08,928 INFO L106 edCorrectnessWitness]: ghost_update [L734-L734] multithreaded = 1; [2024-06-14 11:43:08,928 INFO L106 edCorrectnessWitness]: ghost_update [L735-L735] B_locked = 1; [2024-06-14 11:43:08,928 INFO L106 edCorrectnessWitness]: ghost_update [L743-L743] A_locked = 0; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L745-L745] C_locked = 1; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L719-L719] B_locked = 1; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] B_locked = 0; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L736-L736] A_locked = 1; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L714-L714] C_locked = 1; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L741-L741] A_locked = 1; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L726-L726] C_locked = 0; [2024-06-14 11:43:08,929 INFO L106 edCorrectnessWitness]: ghost_update [L725-L725] A_locked = 0; [2024-06-14 11:43:08,930 INFO L106 edCorrectnessWitness]: ghost_update [L747-L747] C_locked = 0; [2024-06-14 11:43:08,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 11:43:09,206 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:43:09,215 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 [2024-06-14 11:43:09,297 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:43:09,322 INFO L206 MainTranslator]: Completed translation [2024-06-14 11:43:09,324 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09 WrapperNode [2024-06-14 11:43:09,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 11:43:09,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 11:43:09,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 11:43:09,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 11:43:09,330 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 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,337 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 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,354 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 189 [2024-06-14 11:43:09,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 11:43:09,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 11:43:09,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 11:43:09,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 11:43:09,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,373 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]. [2024-06-14 11:43:09,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 11:43:09,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 11:43:09,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 11:43:09,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 11:43:09,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (1/1) ... [2024-06-14 11:43:09,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:43:09,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 11:43:09,491 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) [2024-06-14 11:43:09,494 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 [2024-06-14 11:43:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 11:43:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 11:43:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 11:43:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 11:43:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 11:43:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 11:43:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 11:43:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-14 11:43:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 11:43:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 11:43:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 11:43:09,554 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 11:43:09,658 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 11:43:09,660 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 11:43:09,886 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 11:43:09,886 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 11:43:10,081 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 11:43:10,082 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 11:43:10,083 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:43:10 BoogieIcfgContainer [2024-06-14 11:43:10,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 11:43:10,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 11:43:10,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 11:43:10,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 11:43:10,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:43:08" (1/4) ... [2024-06-14 11:43:10,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18568a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:43:10, skipping insertion in model container [2024-06-14 11:43:10,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:43:08" (2/4) ... [2024-06-14 11:43:10,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18568a7e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:43:10, skipping insertion in model container [2024-06-14 11:43:10,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:43:09" (3/4) ... [2024-06-14 11:43:10,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18568a7e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:43:10, skipping insertion in model container [2024-06-14 11:43:10,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:43:10" (4/4) ... [2024-06-14 11:43:10,093 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-06-14 11:43:10,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 11:43:10,105 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 11:43:10,105 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 11:43:10,134 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-14 11:43:10,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 43 transitions, 90 flow [2024-06-14 11:43:10,193 INFO L124 PetriNetUnfolderBase]: 1/43 cut-off events. [2024-06-14 11:43:10,193 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:43:10,197 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. [2024-06-14 11:43:10,197 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 43 transitions, 90 flow [2024-06-14 11:43:10,203 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 41 transitions, 85 flow [2024-06-14 11:43:10,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 11:43:10,219 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;@616869bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 11:43:10,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 11:43:10,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 11:43:10,251 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 11:43:10,251 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:43:10,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:43:10,252 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-14 11:43:10,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:43:10,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:43:10,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1479015872, now seen corresponding path program 1 times [2024-06-14 11:43:10,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:43:10,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179482101] [2024-06-14 11:43:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:43:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:43:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:43:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 11:43:10,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:43:10,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179482101] [2024-06-14 11:43:10,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179482101] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:43:10,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:43:10,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 11:43:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214354687] [2024-06-14 11:43:10,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:43:10,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:43:10,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:43:10,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:43:10,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:43:10,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 43 [2024-06-14 11:43:10,595 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) [2024-06-14 11:43:10,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:43:10,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 43 [2024-06-14 11:43:10,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:43:10,718 INFO L124 PetriNetUnfolderBase]: 172/427 cut-off events. [2024-06-14 11:43:10,718 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:43:10,719 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. [2024-06-14 11:43:10,721 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 17 selfloop transitions, 2 changer transitions 30/54 dead transitions. [2024-06-14 11:43:10,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 54 transitions, 199 flow [2024-06-14 11:43:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:43:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:43:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2024-06-14 11:43:10,730 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.627906976744186 [2024-06-14 11:43:10,731 INFO L175 Difference]: Start difference. First operand has 44 places, 41 transitions, 85 flow. Second operand 3 states and 81 transitions. [2024-06-14 11:43:10,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 54 transitions, 199 flow [2024-06-14 11:43:10,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 54 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 11:43:10,734 INFO L231 Difference]: Finished difference. Result has 46 places, 23 transitions, 56 flow [2024-06-14 11:43:10,736 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} [2024-06-14 11:43:10,738 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2024-06-14 11:43:10,739 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 23 transitions, 56 flow [2024-06-14 11:43:10,739 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) [2024-06-14 11:43:10,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:43:10,739 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 11:43:10,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 11:43:10,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:43:10,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:43:10,740 INFO L85 PathProgramCache]: Analyzing trace with hash -289376006, now seen corresponding path program 1 times [2024-06-14 11:43:10,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:43:10,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342386695] [2024-06-14 11:43:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:43:10,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:43:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:43:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 11:43:10,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:43:10,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342386695] [2024-06-14 11:43:10,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342386695] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:43:10,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:43:10,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-14 11:43:10,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034702676] [2024-06-14 11:43:10,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:43:10,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-14 11:43:10,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:43:10,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-14 11:43:10,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-06-14 11:43:10,924 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 43 [2024-06-14 11:43:10,924 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) [2024-06-14 11:43:10,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:43:10,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 43 [2024-06-14 11:43:10,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:43:10,960 INFO L124 PetriNetUnfolderBase]: 13/53 cut-off events. [2024-06-14 11:43:10,960 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-14 11:43:10,961 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. [2024-06-14 11:43:10,961 INFO L140 encePairwiseOnDemand]: 40/43 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2024-06-14 11:43:10,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 96 flow [2024-06-14 11:43:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-14 11:43:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-14 11:43:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2024-06-14 11:43:10,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37790697674418605 [2024-06-14 11:43:10,963 INFO L175 Difference]: Start difference. First operand has 46 places, 23 transitions, 56 flow. Second operand 4 states and 65 transitions. [2024-06-14 11:43:10,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 96 flow [2024-06-14 11:43:10,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 24 transitions, 90 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 11:43:10,964 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2024-06-14 11:43:10,964 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} [2024-06-14 11:43:10,964 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -17 predicate places. [2024-06-14 11:43:10,964 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow [2024-06-14 11:43:10,965 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) [2024-06-14 11:43:10,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 11:43:10,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 11:43:10,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 11:43:10,968 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 11:43:10,971 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 11:43:10,971 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 11:43:10,974 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 11:43:10,974 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 11:43:10,975 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 11:43:10 BasicIcfg [2024-06-14 11:43:10,975 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 11:43:10,975 INFO L158 Benchmark]: Toolchain (without parser) took 2112.04ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 104.3MB in the beginning and 86.5MB in the end (delta: 17.7MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2024-06-14 11:43:10,976 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:43:10,976 INFO L158 Benchmark]: Witness Parser took 5.34ms. Allocated memory is still 148.9MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:43:10,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.07ms. Allocated memory is still 148.9MB. Free memory was 104.3MB in the beginning and 76.1MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-14 11:43:10,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.67ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 73.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:43:10,977 INFO L158 Benchmark]: Boogie Preprocessor took 28.16ms. Allocated memory is still 148.9MB. Free memory was 73.7MB in the beginning and 71.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:43:10,977 INFO L158 Benchmark]: RCFGBuilder took 700.52ms. Allocated memory is still 148.9MB. Free memory was 70.7MB in the beginning and 61.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-06-14 11:43:10,978 INFO L158 Benchmark]: TraceAbstraction took 888.62ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 61.0MB in the beginning and 86.5MB in the end (delta: -25.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-06-14 11:43:10,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 5.34ms. Allocated memory is still 148.9MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.07ms. Allocated memory is still 148.9MB. Free memory was 104.3MB in the beginning and 76.1MB in the end (delta: 28.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.67ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 73.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.16ms. Allocated memory is still 148.9MB. Free memory was 73.7MB in the beginning and 71.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.52ms. Allocated memory is still 148.9MB. Free memory was 70.7MB in the beginning and 61.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 888.62ms. Allocated memory was 148.9MB in the beginning and 205.5MB in the end (delta: 56.6MB). Free memory was 61.0MB in the beginning and 86.5MB in the end (delta: -25.5MB). Peak memory consumption was 32.5MB. 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: 0.8s, 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! [2024-06-14 11:43:11,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE