./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.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_36-traces-ex-3_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/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-7724a2d-m [2024-06-28 02:45:24,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 02:45:24,791 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 02:45:24,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 02:45:24,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 02:45:24,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 02:45:24,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 02:45:24,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 02:45:24,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 02:45:24,819 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 02:45:24,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 02:45:24,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 02:45:24,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 02:45:24,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 02:45:24,821 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 02:45:24,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 02:45:24,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 02:45:24,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 02:45:24,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 02:45:24,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 02:45:24,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 02:45:24,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 02:45:24,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 02:45:24,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 02:45:24,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 02:45:24,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 02:45:24,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 02:45:24,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 02:45:24,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 02:45:24,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 02:45:24,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 02:45:24,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 02:45:24,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:24,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 02:45:24,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 02:45:24,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 02:45:24,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 02:45:24,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 02:45:24,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 02:45:24,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 02:45:24,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 02:45:24,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 02:45:24,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 02:45:24,827 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 02:45:25,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 02:45:25,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 02:45:25,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 02:45:25,058 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 02:45:25,058 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 02:45:25,059 INFO L431 ainManager$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_36-traces-ex-3_true.yml/witness.yml [2024-06-28 02:45:25,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 02:45:25,178 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 02:45:25,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-06-28 02:45:26,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 02:45:26,346 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 02:45:26,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2024-06-28 02:45:26,356 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6573f3059/bbeeb2727e7d460aa42dc1b944c99ca3/FLAG83e459223 [2024-06-28 02:45:26,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6573f3059/bbeeb2727e7d460aa42dc1b944c99ca3 [2024-06-28 02:45:26,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 02:45:26,369 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 02:45:26,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:26,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 02:45:26,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 02:45:26,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:25" (1/2) ... [2024-06-28 02:45:26,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266fadaf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:26, skipping insertion in model container [2024-06-28 02:45:26,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:25" (1/2) ... [2024-06-28 02:45:26,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@681319bc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:26, skipping insertion in model container [2024-06-28 02:45:26,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:26" (2/2) ... [2024-06-28 02:45:26,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266fadaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26, skipping insertion in model container [2024-06-28 02:45:26,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:26" (2/2) ... [2024-06-28 02:45:26,380 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 02:45:26,403 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 02:45:26,404 INFO L97 edCorrectnessWitness]: Location invariant before [L696-L696] (! multithreaded || (g == 1 || g == 2)) && (! multithreaded || (B_locked || g == 2)) [2024-06-28 02:45:26,404 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-28 02:45:26,405 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 02:45:26,405 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-28 02:45:26,405 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] A_locked = 1; [2024-06-28 02:45:26,405 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-28 02:45:26,405 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] multithreaded = 1; [2024-06-28 02:45:26,405 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-06-28 02:45:26,405 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 0; [2024-06-28 02:45:26,405 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-28 02:45:26,406 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] B_locked = 0; [2024-06-28 02:45:26,406 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] B_locked = 0; [2024-06-28 02:45:26,406 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] B_locked = 1; [2024-06-28 02:45:26,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 02:45:26,705 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:26,713 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 02:45:26,789 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:26,823 INFO L206 MainTranslator]: Completed translation [2024-06-28 02:45:26,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26 WrapperNode [2024-06-28 02:45:26,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:26,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:26,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 02:45:26,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 02:45:26,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,877 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-06-28 02:45:26,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:26,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 02:45:26,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 02:45:26,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 02:45:26,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,906 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-28 02:45:26,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 02:45:26,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 02:45:26,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 02:45:26,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 02:45:26,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (1/1) ... [2024-06-28 02:45:26,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:26,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 02:45:26,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-28 02:45:26,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-28 02:45:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 02:45:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 02:45:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-28 02:45:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-28 02:45:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 02:45:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 02:45:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 02:45:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 02:45:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 02:45:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 02:45:26,981 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 02:45:27,094 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 02:45:27,096 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 02:45:27,201 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 02:45:27,201 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 02:45:27,286 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 02:45:27,286 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 02:45:27,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:27 BoogieIcfgContainer [2024-06-28 02:45:27,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 02:45:27,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 02:45:27,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 02:45:27,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 02:45:27,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:25" (1/4) ... [2024-06-28 02:45:27,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79207f82 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:27, skipping insertion in model container [2024-06-28 02:45:27,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 02:45:26" (2/4) ... [2024-06-28 02:45:27,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79207f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:45:27, skipping insertion in model container [2024-06-28 02:45:27,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:26" (3/4) ... [2024-06-28 02:45:27,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79207f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:45:27, skipping insertion in model container [2024-06-28 02:45:27,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:27" (4/4) ... [2024-06-28 02:45:27,292 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2024-06-28 02:45:27,304 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 02:45:27,304 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 02:45:27,304 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 02:45:27,321 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-28 02:45:27,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions, 52 flow [2024-06-28 02:45:27,362 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-06-28 02:45:27,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:45:27,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 23 events. 0/23 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. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-28 02:45:27,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 24 transitions, 52 flow [2024-06-28 02:45:27,365 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-28 02:45:27,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 02:45:27,383 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;@1e78438e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 02:45:27,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 02:45:27,386 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 02:45:27,386 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 02:45:27,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:45:27,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:27,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 02:45:27,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:27,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:27,392 INFO L85 PathProgramCache]: Analyzing trace with hash 206561173, now seen corresponding path program 1 times [2024-06-28 02:45:27,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:27,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180329396] [2024-06-28 02:45:27,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:27,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:27,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:27,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180329396] [2024-06-28 02:45:27,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180329396] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:27,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:27,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 02:45:27,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664567184] [2024-06-28 02:45:27,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:27,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:45:27,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:45:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:45:27,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 24 [2024-06-28 02:45:27,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:27,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:27,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 24 [2024-06-28 02:45:27,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:27,709 INFO L124 PetriNetUnfolderBase]: 9/36 cut-off events. [2024-06-28 02:45:27,709 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:27,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 36 events. 9/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 6 based on Foata normal form. 5/40 useless extension candidates. Maximal degree in co-relation 63. Up to 18 conditions per place. [2024-06-28 02:45:27,711 INFO L140 encePairwiseOnDemand]: 20/24 looper letters, 9 selfloop transitions, 3 changer transitions 0/15 dead transitions. [2024-06-28 02:45:27,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 57 flow [2024-06-28 02:45:27,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:45:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:45:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2024-06-28 02:45:27,719 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4722222222222222 [2024-06-28 02:45:27,720 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 34 transitions. [2024-06-28 02:45:27,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 57 flow [2024-06-28 02:45:27,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 56 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 02:45:27,724 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 41 flow [2024-06-28 02:45:27,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2024-06-28 02:45:27,728 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2024-06-28 02:45:27,728 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 41 flow [2024-06-28 02:45:27,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:27,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:27,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 02:45:27,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 02:45:27,729 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:27,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:27,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1013386009, now seen corresponding path program 1 times [2024-06-28 02:45:27,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:27,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403820238] [2024-06-28 02:45:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:27,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:27,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403820238] [2024-06-28 02:45:27,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403820238] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:27,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:27,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-28 02:45:27,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110459098] [2024-06-28 02:45:27,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:27,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-28 02:45:27,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:27,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-28 02:45:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-28 02:45:27,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 24 [2024-06-28 02:45:27,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 41 flow. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:27,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:27,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 24 [2024-06-28 02:45:27,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:27,942 INFO L124 PetriNetUnfolderBase]: 7/28 cut-off events. [2024-06-28 02:45:27,943 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-28 02:45:27,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 28 events. 7/28 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. 3/31 useless extension candidates. Maximal degree in co-relation 53. Up to 9 conditions per place. [2024-06-28 02:45:27,943 INFO L140 encePairwiseOnDemand]: 17/24 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2024-06-28 02:45:27,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 15 transitions, 67 flow [2024-06-28 02:45:27,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-28 02:45:27,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-28 02:45:27,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2024-06-28 02:45:27,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3472222222222222 [2024-06-28 02:45:27,945 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 41 flow. Second operand 6 states and 50 transitions. [2024-06-28 02:45:27,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 15 transitions, 67 flow [2024-06-28 02:45:27,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 58 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-28 02:45:27,946 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2024-06-28 02:45:27,946 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2024-06-28 02:45:27,946 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 3 predicate places. [2024-06-28 02:45:27,947 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2024-06-28 02:45:27,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:45:27,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 02:45:27,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 02:45:27,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 02:45:27,950 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 02:45:27,952 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 02:45:27,952 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 02:45:27,956 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 02:45:27,956 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 02:45:27,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 02:45:27 BasicIcfg [2024-06-28 02:45:27,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 02:45:27,957 INFO L158 Benchmark]: Toolchain (without parser) took 1588.18ms. Allocated memory is still 148.9MB. Free memory was 73.7MB in the beginning and 85.7MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:27,958 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:27,958 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:27,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.30ms. Allocated memory is still 148.9MB. Free memory was 73.5MB in the beginning and 109.4MB in the end (delta: -35.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-06-28 02:45:27,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.50ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 107.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:27,959 INFO L158 Benchmark]: Boogie Preprocessor took 47.84ms. Allocated memory is still 148.9MB. Free memory was 107.6MB in the beginning and 105.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:27,959 INFO L158 Benchmark]: RCFGBuilder took 360.11ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 78.9MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-28 02:45:27,960 INFO L158 Benchmark]: TraceAbstraction took 669.07ms. Allocated memory is still 148.9MB. Free memory was 77.9MB in the beginning and 85.7MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:27,961 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 0.14ms. Allocated memory is still 113.2MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.30ms. Allocated memory is still 148.9MB. Free memory was 73.5MB in the beginning and 109.4MB in the end (delta: -35.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.50ms. Allocated memory is still 148.9MB. Free memory was 109.4MB in the beginning and 107.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.84ms. Allocated memory is still 148.9MB. Free memory was 107.6MB in the beginning and 105.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.11ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 78.9MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 669.07ms. Allocated memory is still 148.9MB. Free memory was 77.9MB in the beginning and 85.7MB in the end (delta: -7.7MB). 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, 36 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 46 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=41occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 02:45:27,985 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