./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_36-traces-ex-3_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_36-traces-ex-3_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-cde23df-m [2024-06-14 11:42:39,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 11:42:39,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 11:42:39,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 11:42:39,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 11:42:39,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 11:42:39,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 11:42:39,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 11:42:39,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 11:42:39,263 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 11:42:39,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 11:42:39,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 11:42:39,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 11:42:39,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 11:42:39,265 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 11:42:39,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 11:42:39,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 11:42:39,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 11:42:39,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 11:42:39,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 11:42:39,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 11:42:39,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 11:42:39,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 11:42:39,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 11:42:39,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 11:42:39,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 11:42:39,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 11:42:39,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 11:42:39,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 11:42:39,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 11:42:39,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 11:42:39,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 11:42:39,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:42:39,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 11:42:39,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 11:42:39,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 11:42:39,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 11:42:39,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 11:42:39,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 11:42:39,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 11:42:39,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 11:42:39,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 11:42:39,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 11:42:39,272 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 11:42:39,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 11:42:39,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 11:42:39,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 11:42:39,492 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 11:42:39,492 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 11:42:39,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_36-traces-ex-3_true.yml/witness.yml [2024-06-14 11:42:39,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 11:42:39,617 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 11:42:39,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-06-14 11:42:40,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 11:42:40,784 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 11:42:40,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-06-14 11:42:40,794 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5595d058/c32e9a82623a4b358bf54bb2c83858f4/FLAG59b1602a1 [2024-06-14 11:42:40,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5595d058/c32e9a82623a4b358bf54bb2c83858f4 [2024-06-14 11:42:40,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 11:42:40,806 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 11:42:40,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 11:42:40,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 11:42:40,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 11:42:40,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:39" (1/2) ... [2024-06-14 11:42:40,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b6a301 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:40, skipping insertion in model container [2024-06-14 11:42:40,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:39" (1/2) ... [2024-06-14 11:42:40,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19193054 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:40, skipping insertion in model container [2024-06-14 11:42:40,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:42:40" (2/2) ... [2024-06-14 11:42:40,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b6a301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:40, skipping insertion in model container [2024-06-14 11:42:40,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:42:40" (2/2) ... [2024-06-14 11:42:40,814 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 11:42:40,871 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 11:42:40,872 INFO L97 edCorrectnessWitness]: Location invariant before [L696-L696] (! multithreaded || (B_locked || g == 2)) && (! multithreaded || (((((0 <= g && 1 <= g) && g <= 2) && g <= 127) && g != 0) && (g == 1 || g == 2))) [2024-06-14 11:42:40,872 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 11:42:40,873 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 11:42:40,873 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-14 11:42:40,873 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] B_locked = 0; [2024-06-14 11:42:40,873 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-06-14 11:42:40,873 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 0; [2024-06-14 11:42:40,873 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-14 11:42:40,873 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] B_locked = 0; [2024-06-14 11:42:40,874 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-14 11:42:40,874 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] multithreaded = 1; [2024-06-14 11:42:40,874 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] B_locked = 1; [2024-06-14 11:42:40,874 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] A_locked = 1; [2024-06-14 11:42:40,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 11:42:41,153 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:42:41,164 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 [2024-06-14 11:42:41,266 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:42:41,299 INFO L206 MainTranslator]: Completed translation [2024-06-14 11:42:41,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41 WrapperNode [2024-06-14 11:42:41,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 11:42:41,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 11:42:41,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 11:42:41,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 11:42:41,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,354 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-06-14 11:42:41,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 11:42:41,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 11:42:41,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 11:42:41,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 11:42:41,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,388 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]. [2024-06-14 11:42:41,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 11:42:41,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 11:42:41,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 11:42:41,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 11:42:41,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (1/1) ... [2024-06-14 11:42:41,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:42:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 11:42:41,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-14 11:42:41,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-14 11:42:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 11:42:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 11:42:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 11:42:41,465 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 11:42:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 11:42:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 11:42:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 11:42:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 11:42:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 11:42:41,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 11:42:41,467 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 11:42:41,562 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 11:42:41,563 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 11:42:41,686 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 11:42:41,687 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 11:42:41,793 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 11:42:41,793 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 11:42:41,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:42:41 BoogieIcfgContainer [2024-06-14 11:42:41,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 11:42:41,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 11:42:41,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 11:42:41,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 11:42:41,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:39" (1/4) ... [2024-06-14 11:42:41,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798cedaf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:42:41, skipping insertion in model container [2024-06-14 11:42:41,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:42:40" (2/4) ... [2024-06-14 11:42:41,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798cedaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:42:41, skipping insertion in model container [2024-06-14 11:42:41,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:41" (3/4) ... [2024-06-14 11:42:41,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798cedaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:42:41, skipping insertion in model container [2024-06-14 11:42:41,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:42:41" (4/4) ... [2024-06-14 11:42:41,799 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2024-06-14 11:42:41,812 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 11:42:41,813 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 11:42:41,813 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 11:42:41,845 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-14 11:42:41,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 54 flow [2024-06-14 11:42:41,886 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-06-14 11:42:41,892 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:41,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-14 11:42:41,895 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 25 transitions, 54 flow [2024-06-14 11:42:41,899 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-14 11:42:41,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 11:42:41,911 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;@4f2068f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 11:42:41,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 11:42:41,916 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 11:42:41,916 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 11:42:41,917 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:41,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:42:41,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 11:42:41,918 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:42:41,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:42:41,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2120425528, now seen corresponding path program 1 times [2024-06-14 11:42:41,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:42:41,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104035541] [2024-06-14 11:42:41,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:42:41,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:42:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:42:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 11:42:42,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:42:42,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104035541] [2024-06-14 11:42:42,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104035541] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:42:42,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:42:42,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 11:42:42,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081777210] [2024-06-14 11:42:42,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:42:42,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:42:42,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:42:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:42:42,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:42:42,314 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 25 [2024-06-14 11:42:42,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 11:42:42,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:42:42,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 25 [2024-06-14 11:42:42,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:42:42,345 INFO L124 PetriNetUnfolderBase]: 9/37 cut-off events. [2024-06-14 11:42:42,345 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:42,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 37 events. 9/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 6 based on Foata normal form. 5/41 useless extension candidates. Maximal degree in co-relation 63. Up to 20 conditions per place. [2024-06-14 11:42:42,347 INFO L140 encePairwiseOnDemand]: 21/25 looper letters, 11 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2024-06-14 11:42:42,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 63 flow [2024-06-14 11:42:42,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:42:42,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:42:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2024-06-14 11:42:42,356 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44 [2024-06-14 11:42:42,357 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 33 transitions. [2024-06-14 11:42:42,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 63 flow [2024-06-14 11:42:42,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 11:42:42,360 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 43 flow [2024-06-14 11:42:42,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-06-14 11:42:42,368 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2024-06-14 11:42:42,368 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 43 flow [2024-06-14 11:42:42,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 11:42:42,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:42:42,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 11:42:42,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 11:42:42,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:42:42,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:42:42,370 INFO L85 PathProgramCache]: Analyzing trace with hash -770288254, now seen corresponding path program 1 times [2024-06-14 11:42:42,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:42:42,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043474810] [2024-06-14 11:42:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:42:42,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:42:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:42:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 11:42:42,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:42:42,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043474810] [2024-06-14 11:42:42,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043474810] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:42:42,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:42:42,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-14 11:42:42,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252189154] [2024-06-14 11:42:42,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:42:42,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-14 11:42:42,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:42:42,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-14 11:42:42,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-14 11:42:42,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 25 [2024-06-14 11:42:42,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 43 flow. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 11:42:42,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:42:42,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 25 [2024-06-14 11:42:42,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:42:42,536 INFO L124 PetriNetUnfolderBase]: 7/29 cut-off events. [2024-06-14 11:42:42,537 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-14 11:42:42,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 29 events. 7/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 24 event pairs, 2 based on Foata normal form. 3/32 useless extension candidates. Maximal degree in co-relation 53. Up to 10 conditions per place. [2024-06-14 11:42:42,538 INFO L140 encePairwiseOnDemand]: 18/25 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2024-06-14 11:42:42,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 16 transitions, 71 flow [2024-06-14 11:42:42,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-14 11:42:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-14 11:42:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2024-06-14 11:42:42,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34 [2024-06-14 11:42:42,541 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 43 flow. Second operand 6 states and 51 transitions. [2024-06-14 11:42:42,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 16 transitions, 71 flow [2024-06-14 11:42:42,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 11:42:42,543 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2024-06-14 11:42:42,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2024-06-14 11:42:42,546 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 3 predicate places. [2024-06-14 11:42:42,546 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2024-06-14 11:42:42,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 11:42:42,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 11:42:42,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 11:42:42,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 11:42:42,552 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 11:42:42,555 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 11:42:42,555 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 11:42:42,559 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 11:42:42,559 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 11:42:42,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 11:42:42 BasicIcfg [2024-06-14 11:42:42,560 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 11:42:42,560 INFO L158 Benchmark]: Toolchain (without parser) took 1754.88ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 65.1MB in the beginning and 113.4MB in the end (delta: -48.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:42,561 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:42,561 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:42,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.68ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 64.8MB in the beginning and 134.1MB in the end (delta: -69.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-06-14 11:42:42,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.82ms. Allocated memory is still 182.5MB. Free memory was 134.1MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:42:42,562 INFO L158 Benchmark]: Boogie Preprocessor took 48.14ms. Allocated memory is still 182.5MB. Free memory was 132.0MB in the beginning and 130.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:42,562 INFO L158 Benchmark]: RCFGBuilder took 389.03ms. Allocated memory is still 182.5MB. Free memory was 129.9MB in the beginning and 103.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-14 11:42:42,562 INFO L158 Benchmark]: TraceAbstraction took 765.45ms. Allocated memory is still 182.5MB. Free memory was 102.6MB in the beginning and 113.4MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:42,564 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 0.17ms. Allocated memory is still 138.4MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.68ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 64.8MB in the beginning and 134.1MB in the end (delta: -69.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.82ms. Allocated memory is still 182.5MB. Free memory was 134.1MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.14ms. Allocated memory is still 182.5MB. Free memory was 132.0MB in the beginning and 130.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.03ms. Allocated memory is still 182.5MB. Free memory was 129.9MB in the beginning and 103.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 765.45ms. Allocated memory is still 182.5MB. Free memory was 102.6MB in the beginning and 113.4MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: 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, 37 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: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 56 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=43occurred 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! [2024-06-14 11:42:42,591 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