./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.2024-05-21_14-57-05.files/mutex-meet/13-privatized_40-traces-ex-6_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/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-cde23df-m [2024-06-14 14:14:23,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 14:14:23,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 14:14:23,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 14:14:23,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 14:14:23,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 14:14:23,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 14:14:23,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 14:14:23,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 14:14:23,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 14:14:23,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 14:14:23,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 14:14:23,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 14:14:23,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 14:14:23,868 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 14:14:23,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 14:14:23,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 14:14:23,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 14:14:23,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 14:14:23,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 14:14:23,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 14:14:23,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 14:14:23,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 14:14:23,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 14:14:23,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 14:14:23,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 14:14:23,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 14:14:23,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 14:14:23,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 14:14:23,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 14:14:23,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 14:14:23,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 14:14:23,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:14:23,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 14:14:23,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 14:14:23,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 14:14:23,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 14:14:23,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 14:14:23,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 14:14:23,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 14:14:23,874 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 14:14:23,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 14:14:23,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 14:14:23,875 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 14:14:24,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 14:14:24,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 14:14:24,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 14:14:24,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 14:14:24,154 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 14:14:24,155 INFO L431 ainManager$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 [2024-06-14 14:14:25,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 14:14:25,503 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 14:14:25,503 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-06-14 14:14:25,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e8d8b9d/18bc7a7caad44d32b8603d9c41eb923f/FLAGcefd586a7 [2024-06-14 14:14:25,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e8d8b9d/18bc7a7caad44d32b8603d9c41eb923f [2024-06-14 14:14:25,537 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 14:14:25,538 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 14:14:25,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_40-traces-ex-6_true.yml/witness.yml [2024-06-14 14:14:25,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 14:14:25,637 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 14:14:25,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 14:14:25,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 14:14:25,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 14:14:25,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:14:25" (1/2) ... [2024-06-14 14:14:25,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310816dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:14:25, skipping insertion in model container [2024-06-14 14:14:25,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:14:25" (1/2) ... [2024-06-14 14:14:25,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26bb7360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:14:25, skipping insertion in model container [2024-06-14 14:14:25,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:14:25" (2/2) ... [2024-06-14 14:14:25,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310816dd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:25, skipping insertion in model container [2024-06-14 14:14:25,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:14:25" (2/2) ... [2024-06-14 14:14:25,647 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 14:14:25,673 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 14:14:25,675 INFO L97 edCorrectnessWitness]: Location invariant before [L696-L696] (! multithreaded || (((((0 <= g && 1 <= g) && g <= 2) && g <= 127) && g != 0) && (g == 1 || g == 2))) && (! multithreaded || (D_locked || g == 2)) [2024-06-14 14:14:25,675 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 14:14:25,675 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-06-14 14:14:25,675 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 14:14:25,676 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-14 14:14:25,676 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] D_locked = 0; [2024-06-14 14:14:25,676 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] D_locked = 1; [2024-06-14 14:14:25,677 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-06-14 14:14:25,677 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-14 14:14:25,677 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] multithreaded = 1; [2024-06-14 14:14:25,677 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 1; [2024-06-14 14:14:25,677 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] D_locked = 0; [2024-06-14 14:14:25,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 14:14:25,987 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:14:25,998 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 [2024-06-14 14:14:26,058 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:14:26,084 INFO L206 MainTranslator]: Completed translation [2024-06-14 14:14:26,084 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26 WrapperNode [2024-06-14 14:14:26,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 14:14:26,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 14:14:26,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 14:14:26,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 14:14:26,091 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 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,115 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 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,134 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-06-14 14:14:26,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 14:14:26,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 14:14:26,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 14:14:26,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 14:14:26,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,162 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-14 14:14:26,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 14:14:26,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 14:14:26,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 14:14:26,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 14:14:26,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (1/1) ... [2024-06-14 14:14:26,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:14:26,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:14:26,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-14 14:14:26,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-14 14:14:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 14:14:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 14:14:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 14:14:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 14:14:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 14:14:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 14:14:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 14:14:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 14:14:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 14:14:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 14:14:26,298 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 14:14:26,480 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 14:14:26,486 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 14:14:26,611 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 14:14:26,611 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 14:14:26,709 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 14:14:26,709 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 14:14:26,709 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:14:26 BoogieIcfgContainer [2024-06-14 14:14:26,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 14:14:26,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 14:14:26,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 14:14:26,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 14:14:26,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:14:25" (1/4) ... [2024-06-14 14:14:26,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ed370d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:14:26, skipping insertion in model container [2024-06-14 14:14:26,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:14:25" (2/4) ... [2024-06-14 14:14:26,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ed370d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:14:26, skipping insertion in model container [2024-06-14 14:14:26,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:26" (3/4) ... [2024-06-14 14:14:26,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ed370d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:14:26, skipping insertion in model container [2024-06-14 14:14:26,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:14:26" (4/4) ... [2024-06-14 14:14:26,719 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2024-06-14 14:14:26,735 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 14:14:26,736 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 14:14:26,736 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 14:14:26,773 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-14 14:14:26,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 50 flow [2024-06-14 14:14:26,842 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-06-14 14:14:26,849 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:14:26,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 22 events. 0/22 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. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-14 14:14:26,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 50 flow [2024-06-14 14:14:26,854 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-14 14:14:26,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 14:14:26,867 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;@59c3ddc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 14:14:26,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 14:14:26,871 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 14:14:26,872 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 14:14:26,872 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:14:26,872 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:14:26,873 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 14:14:26,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 14:14:26,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:14:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1849706466, now seen corresponding path program 1 times [2024-06-14 14:14:26,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:14:26,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486541171] [2024-06-14 14:14:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:14:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:14:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:14:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:14:27,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:14:27,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486541171] [2024-06-14 14:14:27,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486541171] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:14:27,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:14:27,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 14:14:27,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699671399] [2024-06-14 14:14:27,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:14:27,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 14:14:27,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:14:27,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 14:14:27,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 14:14:27,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 23 [2024-06-14 14:14:27,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:14:27,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:14:27,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 23 [2024-06-14 14:14:27,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:14:27,174 INFO L124 PetriNetUnfolderBase]: 8/34 cut-off events. [2024-06-14 14:14:27,174 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:14:27,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 34 events. 8/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 6 based on Foata normal form. 6/39 useless extension candidates. Maximal degree in co-relation 58. Up to 23 conditions per place. [2024-06-14 14:14:27,176 INFO L140 encePairwiseOnDemand]: 19/23 looper letters, 11 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2024-06-14 14:14:27,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 63 flow [2024-06-14 14:14:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 14:14:27,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 14:14:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2024-06-14 14:14:27,185 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4782608695652174 [2024-06-14 14:14:27,186 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 33 transitions. [2024-06-14 14:14:27,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 63 flow [2024-06-14 14:14:27,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 14:14:27,189 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 43 flow [2024-06-14 14:14:27,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-06-14 14:14:27,194 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2024-06-14 14:14:27,195 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 43 flow [2024-06-14 14:14:27,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:14:27,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:14:27,195 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:14:27,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 14:14:27,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 14:14:27,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:14:27,197 INFO L85 PathProgramCache]: Analyzing trace with hash -920254593, now seen corresponding path program 1 times [2024-06-14 14:14:27,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:14:27,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241756941] [2024-06-14 14:14:27,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:14:27,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:14:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:14:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:14:27,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:14:27,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241756941] [2024-06-14 14:14:27,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241756941] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:14:27,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:14:27,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-14 14:14:27,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267534390] [2024-06-14 14:14:27,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:14:27,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-14 14:14:27,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:14:27,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-14 14:14:27,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-14 14:14:27,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 23 [2024-06-14 14:14:27,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 43 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:14:27,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:14:27,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 23 [2024-06-14 14:14:27,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:14:27,428 INFO L124 PetriNetUnfolderBase]: 7/29 cut-off events. [2024-06-14 14:14:27,428 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-14 14:14:27,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 29 events. 7/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 24 event pairs, 2 based on Foata normal form. 2/31 useless extension candidates. Maximal degree in co-relation 53. Up to 10 conditions per place. [2024-06-14 14:14:27,429 INFO L140 encePairwiseOnDemand]: 16/23 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2024-06-14 14:14:27,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 16 transitions, 71 flow [2024-06-14 14:14:27,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-14 14:14:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-14 14:14:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2024-06-14 14:14:27,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3695652173913043 [2024-06-14 14:14:27,431 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 43 flow. Second operand 6 states and 51 transitions. [2024-06-14 14:14:27,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 16 transitions, 71 flow [2024-06-14 14:14:27,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 14:14:27,432 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2024-06-14 14:14:27,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2024-06-14 14:14:27,433 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 3 predicate places. [2024-06-14 14:14:27,433 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2024-06-14 14:14:27,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-14 14:14:27,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 14:14:27,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 14:14:27,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 14:14:27,436 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 14:14:27,439 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 14:14:27,439 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 14:14:27,443 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 14:14:27,443 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 14:14:27,444 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 02:14:27 BasicIcfg [2024-06-14 14:14:27,444 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 14:14:27,445 INFO L158 Benchmark]: Toolchain (without parser) took 1808.16ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 95.1MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:27,445 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:27,445 INFO L158 Benchmark]: Witness Parser took 4.32ms. Allocated memory is still 140.5MB. Free memory was 90.9MB in the beginning and 90.3MB in the end (delta: 587.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:27,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.25ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 97.2MB in the end (delta: -10.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-06-14 14:14:27,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.53ms. Allocated memory is still 140.5MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 14:14:27,447 INFO L158 Benchmark]: Boogie Preprocessor took 48.95ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 14:14:27,447 INFO L158 Benchmark]: RCFGBuilder took 524.54ms. Allocated memory is still 140.5MB. Free memory was 93.0MB in the beginning and 84.9MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-06-14 14:14:27,447 INFO L158 Benchmark]: TraceAbstraction took 733.38ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 95.1MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:27,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 4.32ms. Allocated memory is still 140.5MB. Free memory was 90.9MB in the beginning and 90.3MB in the end (delta: 587.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.25ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 97.2MB in the end (delta: -10.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.53ms. Allocated memory is still 140.5MB. Free memory was 97.2MB in the beginning and 95.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.95ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.54ms. Allocated memory is still 140.5MB. Free memory was 93.0MB in the beginning and 84.9MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 733.38ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 95.1MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 35 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-14 14:14:27,470 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