./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_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/protection/13-privatized_40-traces-ex-6_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_40-traces-ex-6_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_40-traces-ex-6_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 [2024-06-27 19:41:32,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 19:41:32,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 19:41:32,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 19:41:32,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 19:41:32,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 19:41:32,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 19:41:32,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 19:41:32,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 19:41:32,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 19:41:32,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 19:41:32,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 19:41:32,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 19:41:32,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 19:41:32,889 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 19:41:32,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 19:41:32,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 19:41:32,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 19:41:32,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 19:41:32,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 19:41:32,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 19:41:32,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 19:41:32,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 19:41:32,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 19:41:32,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 19:41:32,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 19:41:32,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 19:41:32,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 19:41:32,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 19:41:32,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 19:41:32,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 19:41:32,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 19:41:32,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:41:32,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 19:41:32,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 19:41:32,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 19:41:32,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 19:41:32,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 19:41:32,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 19:41:32,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 19:41:32,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 19:41:32,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 19:41:32,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 19:41:32,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 19:41:33,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 19:41:33,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 19:41:33,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 19:41:33,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 19:41:33,068 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 19:41:33,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-06-27 19:41:34,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 19:41:34,217 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 19:41:34,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-06-27 19:41:34,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc047cf1c/f1ac94e671be4ed093975f6d5a39e7e7/FLAG8d708c2ef [2024-06-27 19:41:34,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc047cf1c/f1ac94e671be4ed093975f6d5a39e7e7 [2024-06-27 19:41:34,241 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 19:41:34,241 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 19:41:34,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_40-traces-ex-6_true.yml/witness.yml [2024-06-27 19:41:34,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 19:41:34,330 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 19:41:34,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 19:41:34,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 19:41:34,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 19:41:34,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:41:34" (1/2) ... [2024-06-27 19:41:34,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b0644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:41:34, skipping insertion in model container [2024-06-27 19:41:34,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:41:34" (1/2) ... [2024-06-27 19:41:34,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@214c5537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:41:34, skipping insertion in model container [2024-06-27 19:41:34,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:34" (2/2) ... [2024-06-27 19:41:34,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b0644a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34, skipping insertion in model container [2024-06-27 19:41:34,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:34" (2/2) ... [2024-06-27 19:41:34,341 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 19:41:34,366 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 19:41:34,367 INFO L97 edCorrectnessWitness]: Location invariant before [L696-L696] ! multithreaded || (g == 1 || g == 2) [2024-06-27 19:41:34,367 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-06-27 19:41:34,367 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-27 19:41:34,368 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 19:41:34,368 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] D_locked = 0; [2024-06-27 19:41:34,368 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-27 19:41:34,369 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] multithreaded = 1; [2024-06-27 19:41:34,369 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] D_locked = 0; [2024-06-27 19:41:34,369 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-27 19:41:34,369 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 1; [2024-06-27 19:41:34,369 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] D_locked = 1; [2024-06-27 19:41:34,369 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-06-27 19:41:34,402 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 19:41:34,607 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:41:34,619 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 [2024-06-27 19:41:34,707 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:41:34,739 INFO L206 MainTranslator]: Completed translation [2024-06-27 19:41:34,739 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34 WrapperNode [2024-06-27 19:41:34,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 19:41:34,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 19:41:34,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 19:41:34,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 19:41:34,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,786 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-06-27 19:41:34,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 19:41:34,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 19:41:34,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 19:41:34,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 19:41:34,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,809 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]. [2024-06-27 19:41:34,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 19:41:34,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 19:41:34,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 19:41:34,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 19:41:34,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (1/1) ... [2024-06-27 19:41:34,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:41:34,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 19:41:34,847 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) [2024-06-27 19:41:34,860 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 [2024-06-27 19:41:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 19:41:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 19:41:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-27 19:41:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-27 19:41:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 19:41:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 19:41:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-27 19:41:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 19:41:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 19:41:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 19:41:34,878 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 19:41:34,962 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 19:41:34,964 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 19:41:35,146 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 19:41:35,146 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 19:41:35,271 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 19:41:35,271 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 19:41:35,272 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:35 BoogieIcfgContainer [2024-06-27 19:41:35,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 19:41:35,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 19:41:35,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 19:41:35,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 19:41:35,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 07:41:34" (1/4) ... [2024-06-27 19:41:35,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4227461d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:41:35, skipping insertion in model container [2024-06-27 19:41:35,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:34" (2/4) ... [2024-06-27 19:41:35,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4227461d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:41:35, skipping insertion in model container [2024-06-27 19:41:35,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:34" (3/4) ... [2024-06-27 19:41:35,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4227461d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:41:35, skipping insertion in model container [2024-06-27 19:41:35,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:35" (4/4) ... [2024-06-27 19:41:35,278 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2024-06-27 19:41:35,291 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 19:41:35,292 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-27 19:41:35,292 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 19:41:35,310 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 19:41:35,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 48 flow [2024-06-27 19:41:35,347 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-06-27 19:41:35,347 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:41:35,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-27 19:41:35,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 22 transitions, 48 flow [2024-06-27 19:41:35,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-27 19:41:35,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 19:41:35,361 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;@639e4cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 19:41:35,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-27 19:41:35,364 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 19:41:35,365 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 19:41:35,365 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:41:35,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:35,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 19:41:35,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:35,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:35,369 INFO L85 PathProgramCache]: Analyzing trace with hash 198122074, now seen corresponding path program 1 times [2024-06-27 19:41:35,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:35,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820647497] [2024-06-27 19:41:35,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:35,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:35,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:35,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820647497] [2024-06-27 19:41:35,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820647497] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:35,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:35,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 19:41:35,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676610967] [2024-06-27 19:41:35,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:35,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:35,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:35,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:35,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:35,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 22 [2024-06-27 19:41:35,604 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) [2024-06-27 19:41:35,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:35,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 22 [2024-06-27 19:41:35,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:35,640 INFO L124 PetriNetUnfolderBase]: 8/33 cut-off events. [2024-06-27 19:41:35,640 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-27 19:41:35,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 33 events. 8/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 6 based on Foata normal form. 6/37 useless extension candidates. Maximal degree in co-relation 58. Up to 21 conditions per place. [2024-06-27 19:41:35,642 INFO L140 encePairwiseOnDemand]: 18/22 looper letters, 9 selfloop transitions, 3 changer transitions 0/15 dead transitions. [2024-06-27 19:41:35,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 57 flow [2024-06-27 19:41:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2024-06-27 19:41:35,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5151515151515151 [2024-06-27 19:41:35,652 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 34 transitions. [2024-06-27 19:41:35,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 57 flow [2024-06-27 19:41:35,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 56 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 19:41:35,656 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 41 flow [2024-06-27 19:41:35,658 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, 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} [2024-06-27 19:41:35,661 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2024-06-27 19:41:35,661 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 41 flow [2024-06-27 19:41:35,662 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) [2024-06-27 19:41:35,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:35,664 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 19:41:35,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 19:41:35,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:35,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:35,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1709820039, now seen corresponding path program 1 times [2024-06-27 19:41:35,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:35,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903647869] [2024-06-27 19:41:35,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:35,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:35,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:35,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903647869] [2024-06-27 19:41:35,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903647869] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:35,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:35,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 19:41:35,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425744325] [2024-06-27 19:41:35,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:35,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:35,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:35,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:35,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:35,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 22 [2024-06-27 19:41:35,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 19:41:35,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:35,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 22 [2024-06-27 19:41:35,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:35,764 INFO L124 PetriNetUnfolderBase]: 7/27 cut-off events. [2024-06-27 19:41:35,765 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-27 19:41:35,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 27 events. 7/27 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 5 based on Foata normal form. 2/27 useless extension candidates. Maximal degree in co-relation 52. Up to 19 conditions per place. [2024-06-27 19:41:35,765 INFO L140 encePairwiseOnDemand]: 19/22 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2024-06-27 19:41:35,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 14 transitions, 61 flow [2024-06-27 19:41:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2024-06-27 19:41:35,767 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-27 19:41:35,768 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 41 flow. Second operand 3 states and 33 transitions. [2024-06-27 19:41:35,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 14 transitions, 61 flow [2024-06-27 19:41:35,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 52 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-27 19:41:35,769 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-27 19:41:35,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, 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=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-06-27 19:41:35,771 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-27 19:41:35,771 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-27 19:41:35,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 19:41:35,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-27 19:41:35,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-27 19:41:35,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 19:41:35,775 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-27 19:41:35,778 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 19:41:35,784 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 19:41:35,787 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-27 19:41:35,788 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-27 19:41:35,789 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 07:41:35 BasicIcfg [2024-06-27 19:41:35,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 19:41:35,790 INFO L158 Benchmark]: Toolchain (without parser) took 1459.20ms. Allocated memory was 169.9MB in the beginning and 243.3MB in the end (delta: 73.4MB). Free memory was 132.6MB in the beginning and 168.5MB in the end (delta: -35.9MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-06-27 19:41:35,791 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 169.9MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:35,791 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:35,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.93ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 107.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-27 19:41:35,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.65ms. Allocated memory is still 169.9MB. Free memory was 107.4MB in the beginning and 105.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:35,793 INFO L158 Benchmark]: Boogie Preprocessor took 34.75ms. Allocated memory is still 169.9MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:35,793 INFO L158 Benchmark]: RCFGBuilder took 449.91ms. Allocated memory was 169.9MB in the beginning and 243.3MB in the end (delta: 73.4MB). Free memory was 103.7MB in the beginning and 207.2MB in the end (delta: -103.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:35,793 INFO L158 Benchmark]: TraceAbstraction took 515.89ms. Allocated memory is still 243.3MB. Free memory was 207.2MB in the beginning and 168.5MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-06-27 19:41:35,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 169.9MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.93ms. Allocated memory is still 169.9MB. Free memory was 132.6MB in the beginning and 107.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.65ms. Allocated memory is still 169.9MB. Free memory was 107.4MB in the beginning and 105.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.75ms. Allocated memory is still 169.9MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.91ms. Allocated memory was 169.9MB in the beginning and 243.3MB in the end (delta: 73.4MB). Free memory was 103.7MB in the beginning and 207.2MB in the end (delta: -103.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * TraceAbstraction took 515.89ms. Allocated memory is still 243.3MB. Free memory was 207.2MB in the beginning and 168.5MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. 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, 34 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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! [2024-06-27 19:41:35,821 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