./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_20-publish-regression_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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_20-publish-regression_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_20-publish-regression_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-76401ed-m [2024-06-20 15:36:31,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 15:36:32,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 15:36:32,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 15:36:32,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 15:36:32,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 15:36:32,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 15:36:32,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 15:36:32,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 15:36:32,062 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 15:36:32,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 15:36:32,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 15:36:32,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 15:36:32,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 15:36:32,064 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 15:36:32,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 15:36:32,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 15:36:32,064 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 15:36:32,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 15:36:32,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 15:36:32,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 15:36:32,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 15:36:32,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 15:36:32,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 15:36:32,067 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 15:36:32,067 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 15:36:32,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 15:36:32,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 15:36:32,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 15:36:32,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 15:36:32,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 15:36:32,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 15:36:32,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 15:36:32,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 15:36:32,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 15:36:32,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 15:36:32,070 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 15:36:32,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 15:36:32,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 15:36:32,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 15:36:32,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 15:36:32,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 15:36:32,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 15:36:32,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 15:36:32,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 15:36:32,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 15:36:32,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 15:36:32,318 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 15:36:32,319 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 15:36:32,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_20-publish-regression_true.yml/witness.yml [2024-06-20 15:36:32,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 15:36:32,464 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 15:36:32,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-06-20 15:36:33,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 15:36:33,577 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 15:36:33,577 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2024-06-20 15:36:33,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6be8b215/9a7c6e289af043f4888817f2fbdb665f/FLAGe67a02664 [2024-06-20 15:36:33,610 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6be8b215/9a7c6e289af043f4888817f2fbdb665f [2024-06-20 15:36:33,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 15:36:33,616 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 15:36:33,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 15:36:33,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 15:36:33,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 15:36:33,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:36:32" (1/2) ... [2024-06-20 15:36:33,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237250e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:33, skipping insertion in model container [2024-06-20 15:36:33,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:36:32" (1/2) ... [2024-06-20 15:36:33,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15b8c67b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 03:36:33, skipping insertion in model container [2024-06-20 15:36:33,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 03:36:33" (2/2) ... [2024-06-20 15:36:33,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237250e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:33, skipping insertion in model container [2024-06-20 15:36:33,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 03:36:33" (2/2) ... [2024-06-20 15:36:33,626 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 15:36:33,646 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 15:36:33,647 INFO L97 edCorrectnessWitness]: Location invariant before [L700-L700] ! multithreaded || ((((0 <= glob1 && glob1 <= 5) && glob1 <= 127) && glob1 % 5 == 0) && (glob1 == 0 || glob1 == 5)) [2024-06-20 15:36:33,647 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 15:36:33,647 INFO L103 edCorrectnessWitness]: ghost_variable mutex1_locked = 0 [2024-06-20 15:36:33,647 INFO L103 edCorrectnessWitness]: ghost_variable mutex2_locked = 0 [2024-06-20 15:36:33,647 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] mutex1_locked = 0; [2024-06-20 15:36:33,647 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] mutex2_locked = 0; [2024-06-20 15:36:33,647 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] mutex1_locked = 0; [2024-06-20 15:36:33,648 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] mutex1_locked = 1; [2024-06-20 15:36:33,648 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] multithreaded = 1; [2024-06-20 15:36:33,648 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] mutex2_locked = 1; [2024-06-20 15:36:33,648 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] mutex2_locked = 1; [2024-06-20 15:36:33,648 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] mutex2_locked = 0; [2024-06-20 15:36:33,648 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] mutex1_locked = 1; [2024-06-20 15:36:33,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 15:36:33,951 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 15:36:33,961 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 [2024-06-20 15:36:34,046 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 15:36:34,083 INFO L206 MainTranslator]: Completed translation [2024-06-20 15:36:34,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34 WrapperNode [2024-06-20 15:36:34,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 15:36:34,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 15:36:34,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 15:36:34,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 15:36:34,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,133 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 100 [2024-06-20 15:36:34,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 15:36:34,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 15:36:34,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 15:36:34,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 15:36:34,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,154 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]. [2024-06-20 15:36:34,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 15:36:34,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 15:36:34,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 15:36:34,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 15:36:34,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (1/1) ... [2024-06-20 15:36:34,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 15:36:34,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 15:36:34,189 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) [2024-06-20 15:36:34,196 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 [2024-06-20 15:36:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-20 15:36:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 15:36:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-20 15:36:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-20 15:36:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 15:36:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 15:36:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-20 15:36:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-20 15:36:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 15:36:34,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 15:36:34,218 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 15:36:34,304 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 15:36:34,305 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 15:36:34,435 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 15:36:34,435 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 15:36:34,549 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 15:36:34,550 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-20 15:36:34,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 03:36:34 BoogieIcfgContainer [2024-06-20 15:36:34,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 15:36:34,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 15:36:34,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 15:36:34,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 15:36:34,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 03:36:32" (1/4) ... [2024-06-20 15:36:34,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e40911 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 03:36:34, skipping insertion in model container [2024-06-20 15:36:34,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 03:36:33" (2/4) ... [2024-06-20 15:36:34,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e40911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 03:36:34, skipping insertion in model container [2024-06-20 15:36:34,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 03:36:34" (3/4) ... [2024-06-20 15:36:34,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e40911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 03:36:34, skipping insertion in model container [2024-06-20 15:36:34,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 03:36:34" (4/4) ... [2024-06-20 15:36:34,556 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2024-06-20 15:36:34,568 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 15:36:34,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-20 15:36:34,569 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 15:36:34,590 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-20 15:36:34,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 59 flow [2024-06-20 15:36:34,628 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-06-20 15:36:34,629 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 15:36:34,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 25 events. 0/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-20 15:36:34,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 26 transitions, 59 flow [2024-06-20 15:36:34,632 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 39 flow [2024-06-20 15:36:34,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 15:36:34,642 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;@79f4ca60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 15:36:34,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-20 15:36:34,649 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 15:36:34,656 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-20 15:36:34,656 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 15:36:34,656 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 15:36:34,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-20 15:36:34,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 15:36:34,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 15:36:34,662 INFO L85 PathProgramCache]: Analyzing trace with hash 274590040, now seen corresponding path program 1 times [2024-06-20 15:36:34,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 15:36:34,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787782384] [2024-06-20 15:36:34,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 15:36:34,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 15:36:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 15:36:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 15:36:35,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 15:36:35,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787782384] [2024-06-20 15:36:35,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787782384] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 15:36:35,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 15:36:35,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-20 15:36:35,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539716732] [2024-06-20 15:36:35,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 15:36:35,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 15:36:35,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 15:36:35,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 15:36:35,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 15:36:35,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2024-06-20 15:36:35,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 15:36:35,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 15:36:35,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2024-06-20 15:36:35,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 15:36:35,093 INFO L124 PetriNetUnfolderBase]: 11/47 cut-off events. [2024-06-20 15:36:35,093 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 15:36:35,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 11/47 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 8 based on Foata normal form. 7/51 useless extension candidates. Maximal degree in co-relation 81. Up to 25 conditions per place. [2024-06-20 15:36:35,095 INFO L140 encePairwiseOnDemand]: 22/26 looper letters, 11 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2024-06-20 15:36:35,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 69 flow [2024-06-20 15:36:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 15:36:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 15:36:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2024-06-20 15:36:35,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-20 15:36:35,104 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 39 transitions. [2024-06-20 15:36:35,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 69 flow [2024-06-20 15:36:35,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 68 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-20 15:36:35,109 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 49 flow [2024-06-20 15:36:35,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=49, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2024-06-20 15:36:35,113 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 2 predicate places. [2024-06-20 15:36:35,114 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 49 flow [2024-06-20 15:36:35,114 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) [2024-06-20 15:36:35,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 15:36:35,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 15:36:35,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 15:36:35,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 15:36:35,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 15:36:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1908953703, now seen corresponding path program 1 times [2024-06-20 15:36:35,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 15:36:35,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5263476] [2024-06-20 15:36:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 15:36:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 15:36:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 15:36:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 15:36:35,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 15:36:35,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5263476] [2024-06-20 15:36:35,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5263476] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 15:36:35,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 15:36:35,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-20 15:36:35,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975141612] [2024-06-20 15:36:35,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 15:36:35,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 15:36:35,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 15:36:35,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 15:36:35,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 15:36:35,248 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 26 [2024-06-20 15:36:35,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 15:36:35,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 15:36:35,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 26 [2024-06-20 15:36:35,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 15:36:35,283 INFO L124 PetriNetUnfolderBase]: 9/37 cut-off events. [2024-06-20 15:36:35,283 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-20 15:36:35,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 37 events. 9/37 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 32 event pairs, 6 based on Foata normal form. 3/38 useless extension candidates. Maximal degree in co-relation 68. Up to 22 conditions per place. [2024-06-20 15:36:35,284 INFO L140 encePairwiseOnDemand]: 23/26 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2024-06-20 15:36:35,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 18 transitions, 73 flow [2024-06-20 15:36:35,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 15:36:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 15:36:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2024-06-20 15:36:35,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2024-06-20 15:36:35,287 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 49 flow. Second operand 3 states and 38 transitions. [2024-06-20 15:36:35,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 18 transitions, 73 flow [2024-06-20 15:36:35,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 18 transitions, 64 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-20 15:36:35,288 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2024-06-20 15:36:35,289 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2024-06-20 15:36:35,290 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 0 predicate places. [2024-06-20 15:36:35,290 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2024-06-20 15:36:35,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 15:36:35,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-20 15:36:35,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-20 15:36:35,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-20 15:36:35,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-20 15:36:35,302 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 15:36:35,302 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 15:36:35,305 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-20 15:36:35,305 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-20 15:36:35,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 03:36:35 BasicIcfg [2024-06-20 15:36:35,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 15:36:35,307 INFO L158 Benchmark]: Toolchain (without parser) took 1690.94ms. Allocated memory is still 178.3MB. Free memory was 105.8MB in the beginning and 100.4MB in the end (delta: 5.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-06-20 15:36:35,307 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 15:36:35,307 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 15:36:35,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.17ms. Allocated memory is still 178.3MB. Free memory was 105.6MB in the beginning and 139.3MB in the end (delta: -33.6MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-06-20 15:36:35,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.15ms. Allocated memory is still 178.3MB. Free memory was 139.3MB in the beginning and 137.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 15:36:35,308 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 178.3MB. Free memory was 137.3MB in the beginning and 135.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 15:36:35,308 INFO L158 Benchmark]: RCFGBuilder took 386.80ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 103.1MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-20 15:36:35,309 INFO L158 Benchmark]: TraceAbstraction took 754.66ms. Allocated memory is still 178.3MB. Free memory was 103.0MB in the beginning and 100.4MB in the end (delta: 2.5MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-06-20 15:36:35,310 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 0.15ms. Allocated memory is still 119.5MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.17ms. Allocated memory is still 178.3MB. Free memory was 105.6MB in the beginning and 139.3MB in the end (delta: -33.6MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.15ms. Allocated memory is still 178.3MB. Free memory was 139.3MB in the beginning and 137.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 178.3MB. Free memory was 137.3MB in the beginning and 135.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.80ms. Allocated memory is still 178.3MB. Free memory was 135.2MB in the beginning and 103.1MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 754.66ms. Allocated memory is still 178.3MB. Free memory was 103.0MB in the beginning and 100.4MB in the end (delta: 2.5MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 44 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=49occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.3s 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! [2024-06-20 15:36:35,332 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