./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.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_41-traces-ex-7_unknown_1_pos.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_41-traces-ex-7_unknown_1_pos.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_41-traces-ex-7_unknown_1_pos.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 16:13:56,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 16:13:56,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 16:13:56,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 16:13:56,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 16:13:56,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 16:13:56,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 16:13:56,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 16:13:56,742 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 16:13:56,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 16:13:56,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 16:13:56,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 16:13:56,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 16:13:56,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 16:13:56,747 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 16:13:56,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 16:13:56,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 16:13:56,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 16:13:56,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 16:13:56,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 16:13:56,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 16:13:56,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 16:13:56,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 16:13:56,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 16:13:56,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 16:13:56,750 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 16:13:56,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 16:13:56,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 16:13:56,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 16:13:56,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 16:13:56,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 16:13:56,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 16:13:56,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:13:56,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 16:13:56,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 16:13:56,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 16:13:56,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 16:13:56,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 16:13:56,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 16:13:56,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 16:13:56,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 16:13:56,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 16:13:56,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 16:13:56,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 16:13:56,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 16:13:57,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 16:13:57,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 16:13:57,010 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 16:13:57,010 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 16:13:57,012 INFO L431 ainManager$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_41-traces-ex-7_unknown_1_pos.yml/witness.yml [2024-06-14 16:13:57,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 16:13:57,138 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 16:13:57,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-06-14 16:13:58,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 16:13:58,363 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 16:13:58,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-06-14 16:13:58,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7271af0a4/ed152cc06acf47839f0ccfd50f58074f/FLAG460eb15b0 [2024-06-14 16:13:58,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7271af0a4/ed152cc06acf47839f0ccfd50f58074f [2024-06-14 16:13:58,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 16:13:58,385 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 16:13:58,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 16:13:58,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 16:13:58,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 16:13:58,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:13:57" (1/2) ... [2024-06-14 16:13:58,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76025662 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:13:58, skipping insertion in model container [2024-06-14 16:13:58,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:13:57" (1/2) ... [2024-06-14 16:13:58,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78db148b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:13:58, skipping insertion in model container [2024-06-14 16:13:58,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:13:58" (2/2) ... [2024-06-14 16:13:58,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76025662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58, skipping insertion in model container [2024-06-14 16:13:58,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:13:58" (2/2) ... [2024-06-14 16:13:58,412 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 16:13:58,450 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 16:13:58,452 INFO L97 edCorrectnessWitness]: Location invariant before [L695-L695] ((! multithreaded || ((((0 <= g && g <= 17) && g <= 127) && g % 17 == 0) && (g == 0 || g == 17))) && (! multithreaded || (D_locked || ((((0 <= g && g <= 17) && g <= 127) && g % 17 == 0) && (g == 0 || g == 17))))) && (! multithreaded || (A_locked || ((((0 <= g && g <= 17) && g <= 127) && g % 17 == 0) && (g == 0 || g == 17)))) [2024-06-14 16:13:58,452 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 16:13:58,452 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 16:13:58,452 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-06-14 16:13:58,453 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] D_locked = 0; [2024-06-14 16:13:58,453 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-06-14 16:13:58,453 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] multithreaded = 1; [2024-06-14 16:13:58,454 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-14 16:13:58,454 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] D_locked = 1; [2024-06-14 16:13:58,454 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-14 16:13:58,454 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] D_locked = 0; [2024-06-14 16:13:58,454 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-06-14 16:13:58,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 16:13:58,740 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:13:58,751 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 16:13:58,858 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:13:58,890 INFO L206 MainTranslator]: Completed translation [2024-06-14 16:13:58,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58 WrapperNode [2024-06-14 16:13:58,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 16:13:58,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 16:13:58,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 16:13:58,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 16:13:58,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,946 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-06-14 16:13:58,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 16:13:58,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 16:13:58,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 16:13:58,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 16:13:58,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,978 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 16:13:58,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:58,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 16:13:59,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 16:13:59,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 16:13:59,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 16:13:59,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (1/1) ... [2024-06-14 16:13:59,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:13:59,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 16:13:59,027 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 16:13:59,052 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 16:13:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 16:13:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 16:13:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 16:13:59,084 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 16:13:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 16:13:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 16:13:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 16:13:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 16:13:59,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 16:13:59,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 16:13:59,086 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 16:13:59,181 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 16:13:59,183 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 16:13:59,326 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 16:13:59,326 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 16:13:59,475 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 16:13:59,475 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 16:13:59,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:13:59 BoogieIcfgContainer [2024-06-14 16:13:59,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 16:13:59,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 16:13:59,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 16:13:59,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 16:13:59,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:13:57" (1/4) ... [2024-06-14 16:13:59,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a49d8c4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 04:13:59, skipping insertion in model container [2024-06-14 16:13:59,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 04:13:58" (2/4) ... [2024-06-14 16:13:59,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a49d8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:13:59, skipping insertion in model container [2024-06-14 16:13:59,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:13:58" (3/4) ... [2024-06-14 16:13:59,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a49d8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:13:59, skipping insertion in model container [2024-06-14 16:13:59,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:13:59" (4/4) ... [2024-06-14 16:13:59,485 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-06-14 16:13:59,500 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 16:13:59,500 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 16:13:59,500 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 16:13:59,531 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-14 16:13:59,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 50 flow [2024-06-14 16:13:59,582 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-06-14 16:13:59,583 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:13:59,597 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 16:13:59,597 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 50 flow [2024-06-14 16:13:59,599 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-14 16:13:59,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 16:13:59,611 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;@1569f34e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 16:13:59,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 16:13:59,622 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 16:13:59,625 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 16:13:59,625 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:13:59,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:13:59,626 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 16:13:59,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 16:13:59,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:13:59,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1730034524, now seen corresponding path program 1 times [2024-06-14 16:13:59,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:13:59,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373894476] [2024-06-14 16:13:59,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:13:59,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:13:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:00,027 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 16:14:00,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:00,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373894476] [2024-06-14 16:14:00,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373894476] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:00,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:00,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 16:14:00,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804296850] [2024-06-14 16:14:00,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:00,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 16:14:00,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:00,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 16:14:00,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 16:14:00,084 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 23 [2024-06-14 16:14:00,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 16:14:00,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:00,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 23 [2024-06-14 16:14:00,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:00,125 INFO L124 PetriNetUnfolderBase]: 9/34 cut-off events. [2024-06-14 16:14:00,125 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:14:00,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 34 events. 9/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 5 based on Foata normal form. 3/35 useless extension candidates. Maximal degree in co-relation 56. Up to 20 conditions per place. [2024-06-14 16:14:00,128 INFO L140 encePairwiseOnDemand]: 20/23 looper letters, 11 selfloop transitions, 2 changer transitions 0/16 dead transitions. [2024-06-14 16:14:00,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 61 flow [2024-06-14 16:14:00,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 16:14:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 16:14:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2024-06-14 16:14:00,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5072463768115942 [2024-06-14 16:14:00,139 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 35 transitions. [2024-06-14 16:14:00,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 61 flow [2024-06-14 16:14:00,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 60 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 16:14:00,142 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 40 flow [2024-06-14 16:14:00,144 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-06-14 16:14:00,146 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2024-06-14 16:14:00,147 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 40 flow [2024-06-14 16:14:00,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 16:14:00,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:00,148 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 16:14:00,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 16:14:00,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 16:14:00,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:00,151 INFO L85 PathProgramCache]: Analyzing trace with hash 104780761, now seen corresponding path program 1 times [2024-06-14 16:14:00,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:00,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350673594] [2024-06-14 16:14:00,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:00,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:00,388 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 16:14:00,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:00,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350673594] [2024-06-14 16:14:00,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350673594] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:00,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:00,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-14 16:14:00,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825550206] [2024-06-14 16:14:00,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:00,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-14 16:14:00,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:00,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-14 16:14:00,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-06-14 16:14:00,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 23 [2024-06-14 16:14:00,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 40 flow. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 16:14:00,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:00,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 23 [2024-06-14 16:14:00,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:00,454 INFO L124 PetriNetUnfolderBase]: 8/33 cut-off events. [2024-06-14 16:14:00,455 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-14 16:14:00,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 33 events. 8/33 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 2 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 60. Up to 16 conditions per place. [2024-06-14 16:14:00,455 INFO L140 encePairwiseOnDemand]: 17/23 looper letters, 11 selfloop transitions, 5 changer transitions 0/19 dead transitions. [2024-06-14 16:14:00,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 19 transitions, 82 flow [2024-06-14 16:14:00,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-14 16:14:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-14 16:14:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2024-06-14 16:14:00,457 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45217391304347826 [2024-06-14 16:14:00,458 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 40 flow. Second operand 5 states and 52 transitions. [2024-06-14 16:14:00,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 19 transitions, 82 flow [2024-06-14 16:14:00,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 78 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 16:14:00,461 INFO L231 Difference]: Finished difference. Result has 24 places, 15 transitions, 50 flow [2024-06-14 16:14:00,462 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=50, PETRI_PLACES=24, PETRI_TRANSITIONS=15} [2024-06-14 16:14:00,464 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 5 predicate places. [2024-06-14 16:14:00,464 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 15 transitions, 50 flow [2024-06-14 16:14:00,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 16:14:00,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:00,465 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 16:14:00,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 16:14:00,470 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 16:14:00,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:00,472 INFO L85 PathProgramCache]: Analyzing trace with hash 464488665, now seen corresponding path program 1 times [2024-06-14 16:14:00,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:00,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807632157] [2024-06-14 16:14:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:00,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:00,628 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 16:14:00,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:00,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807632157] [2024-06-14 16:14:00,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807632157] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:00,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:00,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-14 16:14:00,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613062439] [2024-06-14 16:14:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:00,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-14 16:14:00,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:00,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-14 16:14:00,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-14 16:14:00,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 23 [2024-06-14 16:14:00,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 15 transitions, 50 flow. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 16:14:00,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:00,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 23 [2024-06-14 16:14:00,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:00,693 INFO L124 PetriNetUnfolderBase]: 7/31 cut-off events. [2024-06-14 16:14:00,693 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-06-14 16:14:00,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 31 events. 7/31 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 3 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 67. Up to 13 conditions per place. [2024-06-14 16:14:00,694 INFO L140 encePairwiseOnDemand]: 17/23 looper letters, 9 selfloop transitions, 5 changer transitions 0/17 dead transitions. [2024-06-14 16:14:00,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 17 transitions, 82 flow [2024-06-14 16:14:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-14 16:14:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-14 16:14:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 57 transitions. [2024-06-14 16:14:00,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41304347826086957 [2024-06-14 16:14:00,697 INFO L175 Difference]: Start difference. First operand has 24 places, 15 transitions, 50 flow. Second operand 6 states and 57 transitions. [2024-06-14 16:14:00,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 17 transitions, 82 flow [2024-06-14 16:14:00,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 72 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-14 16:14:00,700 INFO L231 Difference]: Finished difference. Result has 26 places, 15 transitions, 54 flow [2024-06-14 16:14:00,700 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=54, PETRI_PLACES=26, PETRI_TRANSITIONS=15} [2024-06-14 16:14:00,701 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 7 predicate places. [2024-06-14 16:14:00,702 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 15 transitions, 54 flow [2024-06-14 16:14:00,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 16:14:00,702 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:00,702 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 16:14:00,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-14 16:14:00,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 16:14:00,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:00,704 INFO L85 PathProgramCache]: Analyzing trace with hash -629605920, now seen corresponding path program 1 times [2024-06-14 16:14:00,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:00,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129812137] [2024-06-14 16:14:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:00,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:00,807 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 16:14:00,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:00,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129812137] [2024-06-14 16:14:00,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129812137] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:00,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:00,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 16:14:00,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473868434] [2024-06-14 16:14:00,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:00,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 16:14:00,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:00,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 16:14:00,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 16:14:00,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 23 [2024-06-14 16:14:00,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 15 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 16:14:00,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:00,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 23 [2024-06-14 16:14:00,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:00,839 INFO L124 PetriNetUnfolderBase]: 6/27 cut-off events. [2024-06-14 16:14:00,839 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-06-14 16:14:00,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 27 events. 6/27 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 23 event pairs, 2 based on Foata normal form. 2/28 useless extension candidates. Maximal degree in co-relation 54. Up to 12 conditions per place. [2024-06-14 16:14:00,840 INFO L140 encePairwiseOnDemand]: 21/23 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2024-06-14 16:14:00,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 15 transitions, 72 flow [2024-06-14 16:14:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 16:14:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 16:14:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2024-06-14 16:14:00,842 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927536231884058 [2024-06-14 16:14:00,843 INFO L175 Difference]: Start difference. First operand has 26 places, 15 transitions, 54 flow. Second operand 3 states and 34 transitions. [2024-06-14 16:14:00,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 15 transitions, 72 flow [2024-06-14 16:14:00,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 56 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-06-14 16:14:00,845 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2024-06-14 16:14:00,845 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=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2024-06-14 16:14:00,846 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 0 predicate places. [2024-06-14 16:14:00,846 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2024-06-14 16:14:00,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 16:14:00,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 16:14:00,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 16:14:00,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-14 16:14:00,849 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-06-14 16:14:00,852 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 16:14:00,852 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 16:14:00,857 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 16:14:00,857 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 16:14:00,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:14:00 BasicIcfg [2024-06-14 16:14:00,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 16:14:00,860 INFO L158 Benchmark]: Toolchain (without parser) took 2473.33ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 55.9MB in the beginning and 145.9MB in the end (delta: -89.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:00,860 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:00,860 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:00,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.31ms. Allocated memory is still 174.1MB. Free memory was 145.0MB in the beginning and 120.7MB in the end (delta: 24.3MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-06-14 16:14:00,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.56ms. Allocated memory is still 174.1MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 16:14:00,861 INFO L158 Benchmark]: Boogie Preprocessor took 51.88ms. Allocated memory is still 174.1MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 16:14:00,862 INFO L158 Benchmark]: RCFGBuilder took 475.53ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 89.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-14 16:14:00,865 INFO L158 Benchmark]: TraceAbstraction took 1379.20ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 88.2MB in the beginning and 145.9MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:00,865 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 0.21ms. Allocated memory is still 132.1MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.31ms. Allocated memory is still 174.1MB. Free memory was 145.0MB in the beginning and 120.7MB in the end (delta: 24.3MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.56ms. Allocated memory is still 174.1MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.88ms. Allocated memory is still 174.1MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.53ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 89.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1379.20ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 88.2MB in the beginning and 145.9MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 0.6s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 16:14:00,902 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