./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_37-traces-ex-4_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_37-traces-ex-4_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-28 02:45:26,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 02:45:26,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 02:45:26,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 02:45:26,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 02:45:26,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 02:45:26,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 02:45:26,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 02:45:26,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 02:45:26,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 02:45:26,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 02:45:26,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 02:45:26,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 02:45:26,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 02:45:26,526 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 02:45:26,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 02:45:26,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 02:45:26,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 02:45:26,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 02:45:26,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 02:45:26,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 02:45:26,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 02:45:26,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 02:45:26,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 02:45:26,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 02:45:26,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 02:45:26,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 02:45:26,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 02:45:26,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 02:45:26,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 02:45:26,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 02:45:26,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 02:45:26,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:26,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 02:45:26,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 02:45:26,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 02:45:26,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 02:45:26,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 02:45:26,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 02:45:26,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 02:45:26,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 02:45:26,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 02:45:26,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 02:45:26,541 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 02:45:26,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 02:45:26,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 02:45:26,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 02:45:26,753 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 02:45:26,754 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 02:45:26,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_37-traces-ex-4_true.yml/witness.yml [2024-06-28 02:45:26,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 02:45:26,837 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 02:45:26,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i [2024-06-28 02:45:27,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 02:45:28,009 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 02:45:28,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i [2024-06-28 02:45:28,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9ad2f74/8ce0561c5bb7406cbc3d5a2f1efcf0ff/FLAG8bbaca9ed [2024-06-28 02:45:28,029 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be9ad2f74/8ce0561c5bb7406cbc3d5a2f1efcf0ff [2024-06-28 02:45:28,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 02:45:28,030 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 02:45:28,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:28,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 02:45:28,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 02:45:28,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:26" (1/2) ... [2024-06-28 02:45:28,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b282f07 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:28, skipping insertion in model container [2024-06-28 02:45:28,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:26" (1/2) ... [2024-06-28 02:45:28,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1af96cf9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:28, skipping insertion in model container [2024-06-28 02:45:28,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:28" (2/2) ... [2024-06-28 02:45:28,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b282f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28, skipping insertion in model container [2024-06-28 02:45:28,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:28" (2/2) ... [2024-06-28 02:45:28,038 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 02:45:28,072 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 02:45:28,073 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (g == 1 || g == 2)) && (! multithreaded || (B_locked || g == 2))) && (! multithreaded || (A_locked || (g == 1 || g == 2))) [2024-06-28 02:45:28,073 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 02:45:28,073 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-28 02:45:28,073 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] A_locked = 1; [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] B_locked = 0; [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] A_locked = 0; [2024-06-28 02:45:28,074 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-28 02:45:28,075 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] A_locked = 0; [2024-06-28 02:45:28,075 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] B_locked = 1; [2024-06-28 02:45:28,075 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] A_locked = 1; [2024-06-28 02:45:28,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 02:45:28,341 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:28,352 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-28 02:45:28,426 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:28,463 INFO L206 MainTranslator]: Completed translation [2024-06-28 02:45:28,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28 WrapperNode [2024-06-28 02:45:28,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:28,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:28,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 02:45:28,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 02:45:28,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,511 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-06-28 02:45:28,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:28,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 02:45:28,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 02:45:28,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 02:45:28,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,548 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-28 02:45:28,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 02:45:28,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 02:45:28,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 02:45:28,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 02:45:28,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (1/1) ... [2024-06-28 02:45:28,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:28,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 02:45:28,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-28 02:45:28,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-28 02:45:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 02:45:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 02:45:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-28 02:45:28,629 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-28 02:45:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 02:45:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 02:45:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 02:45:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 02:45:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 02:45:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 02:45:28,631 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 02:45:28,753 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 02:45:28,755 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 02:45:28,895 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 02:45:28,895 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 02:45:28,995 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 02:45:28,995 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 02:45:28,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:28 BoogieIcfgContainer [2024-06-28 02:45:28,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 02:45:28,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 02:45:28,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 02:45:28,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 02:45:28,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:26" (1/4) ... [2024-06-28 02:45:29,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2cb44 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:29, skipping insertion in model container [2024-06-28 02:45:29,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 02:45:28" (2/4) ... [2024-06-28 02:45:29,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2cb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:45:29, skipping insertion in model container [2024-06-28 02:45:29,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:28" (3/4) ... [2024-06-28 02:45:29,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2cb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:45:29, skipping insertion in model container [2024-06-28 02:45:29,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:28" (4/4) ... [2024-06-28 02:45:29,002 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_37-traces-ex-4_true.i [2024-06-28 02:45:29,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 02:45:29,015 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 02:45:29,015 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 02:45:29,036 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-28 02:45:29,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 60 flow [2024-06-28 02:45:29,090 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-28 02:45:29,092 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:45:29,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-28 02:45:29,093 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 28 transitions, 60 flow [2024-06-28 02:45:29,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-28 02:45:29,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 02:45:29,114 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;@462b1abb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 02:45:29,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 02:45:29,123 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 02:45:29,123 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 02:45:29,124 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:45:29,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:29,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 02:45:29,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:29,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:29,130 INFO L85 PathProgramCache]: Analyzing trace with hash 222608318, now seen corresponding path program 1 times [2024-06-28 02:45:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:29,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521609948] [2024-06-28 02:45:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:29,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:29,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:29,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521609948] [2024-06-28 02:45:29,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521609948] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:29,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:29,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 02:45:29,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762070862] [2024-06-28 02:45:29,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:29,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:45:29,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:29,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:45:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:45:29,370 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 28 [2024-06-28 02:45:29,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:29,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:29,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 28 [2024-06-28 02:45:29,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:29,423 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-28 02:45:29,424 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:29,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 11/47 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/52 useless extension candidates. Maximal degree in co-relation 81. Up to 25 conditions per place. [2024-06-28 02:45:29,426 INFO L140 encePairwiseOnDemand]: 24/28 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-28 02:45:29,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-28 02:45:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:45:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:45:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2024-06-28 02:45:29,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-28 02:45:29,435 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 42 transitions. [2024-06-28 02:45:29,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-28 02:45:29,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 02:45:29,438 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-28 02:45:29,439 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-28 02:45:29,442 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-28 02:45:29,442 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-28 02:45:29,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:29,442 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:29,442 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 02:45:29,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 02:45:29,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:29,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:29,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1642731775, now seen corresponding path program 1 times [2024-06-28 02:45:29,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:29,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626453999] [2024-06-28 02:45:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:29,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:29,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:29,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626453999] [2024-06-28 02:45:29,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626453999] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:29,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:29,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-28 02:45:29,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796820966] [2024-06-28 02:45:29,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:29,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-28 02:45:29,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:29,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-28 02:45:29,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-28 02:45:29,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 28 [2024-06-28 02:45:29,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 49 flow. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:29,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:29,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 28 [2024-06-28 02:45:29,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:29,649 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-28 02:45:29,649 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-28 02:45:29,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 38 events. 9/38 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 35 event pairs, 2 based on Foata normal form. 3/41 useless extension candidates. Maximal degree in co-relation 69. Up to 12 conditions per place. [2024-06-28 02:45:29,650 INFO L140 encePairwiseOnDemand]: 21/28 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-28 02:45:29,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 79 flow [2024-06-28 02:45:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-28 02:45:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-28 02:45:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 64 transitions. [2024-06-28 02:45:29,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2024-06-28 02:45:29,652 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 6 states and 64 transitions. [2024-06-28 02:45:29,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 79 flow [2024-06-28 02:45:29,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 70 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-28 02:45:29,653 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-06-28 02:45:29,653 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2024-06-28 02:45:29,653 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2024-06-28 02:45:29,654 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-06-28 02:45:29,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:29,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 02:45:29,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 02:45:29,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 02:45:29,657 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 02:45:29,659 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 02:45:29,659 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 02:45:29,662 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 02:45:29,662 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 02:45:29,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 02:45:29 BasicIcfg [2024-06-28 02:45:29,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 02:45:29,664 INFO L158 Benchmark]: Toolchain (without parser) took 1633.76ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 56.8MB in the end (delta: 42.9MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-06-28 02:45:29,664 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 153.1MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:29,664 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:29,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.09ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 73.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-28 02:45:29,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 153.1MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:29,665 INFO L158 Benchmark]: Boogie Preprocessor took 56.78ms. Allocated memory is still 153.1MB. Free memory was 71.7MB in the beginning and 69.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:29,665 INFO L158 Benchmark]: RCFGBuilder took 423.77ms. Allocated memory is still 153.1MB. Free memory was 69.7MB in the beginning and 108.0MB in the end (delta: -38.3MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-06-28 02:45:29,666 INFO L158 Benchmark]: TraceAbstraction took 666.29ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 56.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-06-28 02:45:29,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 153.1MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.09ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 73.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 153.1MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.78ms. Allocated memory is still 153.1MB. Free memory was 71.7MB in the beginning and 69.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.77ms. Allocated memory is still 153.1MB. Free memory was 69.7MB in the beginning and 108.0MB in the end (delta: -38.3MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 666.29ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 56.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 44 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 02:45:29,686 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