./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.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_19-publish-precision_unknown_1_neg.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_19-publish-precision_unknown_1_neg.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_19-publish-precision_unknown_1_neg.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 04:36:23,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 04:36:23,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 04:36:23,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 04:36:23,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 04:36:23,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 04:36:23,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 04:36:23,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 04:36:23,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 04:36:23,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 04:36:23,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 04:36:23,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 04:36:23,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 04:36:23,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 04:36:23,645 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 04:36:23,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 04:36:23,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 04:36:23,646 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 04:36:23,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 04:36:23,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 04:36:23,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 04:36:23,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 04:36:23,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 04:36:23,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 04:36:23,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 04:36:23,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 04:36:23,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 04:36:23,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 04:36:23,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 04:36:23,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 04:36:23,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 04:36:23,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 04:36:23,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:23,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 04:36:23,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 04:36:23,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 04:36:23,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 04:36:23,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 04:36:23,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 04:36:23,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 04:36:23,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 04:36:23,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 04:36:23,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 04:36:23,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 04:36:23,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 04:36:23,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 04:36:23,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 04:36:23,973 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 04:36:23,974 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 04:36:23,975 INFO L431 ainManager$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_19-publish-precision_unknown_1_neg.yml/witness.yml [2024-06-28 04:36:24,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 04:36:24,092 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 04:36:24,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-28 04:36:25,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 04:36:25,455 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 04:36:25,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-28 04:36:25,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/652dafb97/9175bdb7964d4b87a0d7464a14922a2d/FLAG60bf9750a [2024-06-28 04:36:25,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/652dafb97/9175bdb7964d4b87a0d7464a14922a2d [2024-06-28 04:36:25,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 04:36:25,490 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 04:36:25,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:25,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 04:36:25,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 04:36:25,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:24" (1/2) ... [2024-06-28 04:36:25,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fd8d71 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:25, skipping insertion in model container [2024-06-28 04:36:25,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:24" (1/2) ... [2024-06-28 04:36:25,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1998ce04 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:25, skipping insertion in model container [2024-06-28 04:36:25,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:25" (2/2) ... [2024-06-28 04:36:25,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fd8d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:25, skipping insertion in model container [2024-06-28 04:36:25,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:25" (2/2) ... [2024-06-28 04:36:25,505 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 04:36:25,547 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 04:36:25,551 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (glob1 == 0 || glob1 == 5)) && (! multithreaded || (mutex2_locked || (glob1 == 0 || glob1 == 5)))) && (! multithreaded || (mutex1_locked || glob1 == 0)) [2024-06-28 04:36:25,552 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-28 04:36:25,552 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-28 04:36:25,552 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 04:36:25,552 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-28 04:36:25,553 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex2_locked = 0; [2024-06-28 04:36:25,553 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-28 04:36:25,553 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-28 04:36:25,553 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] mutex2_locked = 1; [2024-06-28 04:36:25,553 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-28 04:36:25,553 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-28 04:36:25,554 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] mutex2_locked = 0; [2024-06-28 04:36:25,554 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-28 04:36:25,597 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 04:36:25,939 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:25,955 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 [2024-06-28 04:36:26,040 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:26,071 INFO L206 MainTranslator]: Completed translation [2024-06-28 04:36:26,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26 WrapperNode [2024-06-28 04:36:26,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:26,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:26,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 04:36:26,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 04:36:26,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,106 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-06-28 04:36:26,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:26,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 04:36:26,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 04:36:26,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 04:36:26,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,127 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 04:36:26,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 04:36:26,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 04:36:26,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 04:36:26,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 04:36:26,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (1/1) ... [2024-06-28 04:36:26,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:26,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 04:36:26,177 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 04:36:26,182 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 04:36:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 04:36:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 04:36:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-28 04:36:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-28 04:36:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 04:36:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 04:36:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 04:36:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 04:36:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 04:36:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 04:36:26,255 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 04:36:26,363 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 04:36:26,364 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 04:36:26,505 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 04:36:26,505 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 04:36:26,646 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 04:36:26,646 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 04:36:26,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:26 BoogieIcfgContainer [2024-06-28 04:36:26,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 04:36:26,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 04:36:26,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 04:36:26,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 04:36:26,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:24" (1/4) ... [2024-06-28 04:36:26,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f908a54 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 04:36:26, skipping insertion in model container [2024-06-28 04:36:26,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 04:36:25" (2/4) ... [2024-06-28 04:36:26,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f908a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 04:36:26, skipping insertion in model container [2024-06-28 04:36:26,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:26" (3/4) ... [2024-06-28 04:36:26,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f908a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 04:36:26, skipping insertion in model container [2024-06-28 04:36:26,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:26" (4/4) ... [2024-06-28 04:36:26,656 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2024-06-28 04:36:26,672 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 04:36:26,673 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 04:36:26,673 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 04:36:26,711 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-28 04:36:26,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 59 flow [2024-06-28 04:36:26,779 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-06-28 04:36:26,779 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 04:36:26,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 25 events. 0/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-28 04:36:26,781 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 26 transitions, 59 flow [2024-06-28 04:36:26,784 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-28 04:36:26,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 04:36:26,806 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;@df40085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 04:36:26,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 04:36:26,818 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 04:36:26,818 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 04:36:26,818 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 04:36:26,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 04:36:26,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 04:36:26,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 04:36:26,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 04:36:26,826 INFO L85 PathProgramCache]: Analyzing trace with hash 208384109, now seen corresponding path program 1 times [2024-06-28 04:36:26,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 04:36:26,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740260339] [2024-06-28 04:36:26,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 04:36:26,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 04:36:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 04:36:27,069 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 04:36:27,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 04:36:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740260339] [2024-06-28 04:36:27,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740260339] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 04:36:27,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 04:36:27,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 04:36:27,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347837919] [2024-06-28 04:36:27,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 04:36:27,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 04:36:27,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 04:36:27,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 04:36:27,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 04:36:27,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2024-06-28 04:36:27,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 04:36:27,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 04:36:27,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2024-06-28 04:36:27,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 04:36:27,190 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-28 04:36:27,191 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 04:36:27,192 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 04:36:27,193 INFO L140 encePairwiseOnDemand]: 22/26 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-28 04:36:27,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-28 04:36:27,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 04:36:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 04:36:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-28 04:36:27,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-28 04:36:27,206 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 39 transitions. [2024-06-28 04:36:27,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-28 04:36:27,209 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 04:36:27,211 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-28 04:36:27,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, 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 04:36:27,216 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-28 04:36:27,217 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-28 04:36:27,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 04:36:27,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 04:36:27,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 04:36:27,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 04:36:27,218 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 04:36:27,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 04:36:27,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1926225186, now seen corresponding path program 1 times [2024-06-28 04:36:27,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 04:36:27,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158003623] [2024-06-28 04:36:27,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 04:36:27,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 04:36:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 04:36:27,380 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 04:36:27,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 04:36:27,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158003623] [2024-06-28 04:36:27,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158003623] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 04:36:27,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 04:36:27,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-28 04:36:27,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401215972] [2024-06-28 04:36:27,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 04:36:27,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-28 04:36:27,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 04:36:27,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-28 04:36:27,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-28 04:36:27,395 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 26 [2024-06-28 04:36:27,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 49 flow. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2024-06-28 04:36:27,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 04:36:27,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 26 [2024-06-28 04:36:27,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 04:36:27,466 INFO L124 PetriNetUnfolderBase]: 9/38 cut-off events. [2024-06-28 04:36:27,467 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-28 04:36:27,467 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 04:36:27,468 INFO L140 encePairwiseOnDemand]: 19/26 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-06-28 04:36:27,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 79 flow [2024-06-28 04:36:27,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-28 04:36:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-28 04:36:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2024-06-28 04:36:27,472 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3717948717948718 [2024-06-28 04:36:27,472 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 6 states and 58 transitions. [2024-06-28 04:36:27,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 79 flow [2024-06-28 04:36:27,473 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 04:36:27,474 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2024-06-28 04:36:27,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, 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 04:36:27,478 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2024-06-28 04:36:27,479 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2024-06-28 04:36:27,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2024-06-28 04:36:27,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 04:36:27,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 04:36:27,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 04:36:27,486 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 04:36:27,489 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 04:36:27,489 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 04:36:27,494 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 04:36:27,500 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 04:36:27,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 04:36:27 BasicIcfg [2024-06-28 04:36:27,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 04:36:27,502 INFO L158 Benchmark]: Toolchain (without parser) took 2011.71ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 60.9MB in the end (delta: 69.8MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-06-28 04:36:27,503 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 91.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:27,504 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:27,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.86ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 104.4MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-28 04:36:27,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.85ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:27,506 INFO L158 Benchmark]: Boogie Preprocessor took 31.34ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 04:36:27,507 INFO L158 Benchmark]: RCFGBuilder took 507.66ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 111.2MB in the end (delta: -10.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-28 04:36:27,510 INFO L158 Benchmark]: TraceAbstraction took 853.05ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 60.9MB in the end (delta: 49.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-06-28 04:36:27,512 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 0.20ms. Allocated memory is still 109.1MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 91.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.86ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 104.4MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.85ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.34ms. Allocated memory is still 167.8MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.66ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 111.2MB in the end (delta: -10.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 853.05ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 60.9MB in the end (delta: 49.9MB). 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, 42 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s 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, 2 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, 0.3s 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 04:36:27,560 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