./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i ./goblint.2024-05-21_14-57-05.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-76401ed-m [2024-06-20 17:34:47,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 17:34:47,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 17:34:47,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 17:34:47,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 17:34:47,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 17:34:47,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 17:34:47,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 17:34:47,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 17:34:47,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 17:34:47,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 17:34:47,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 17:34:47,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 17:34:47,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 17:34:47,213 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 17:34:47,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 17:34:47,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 17:34:47,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 17:34:47,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 17:34:47,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 17:34:47,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 17:34:47,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 17:34:47,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 17:34:47,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 17:34:47,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 17:34:47,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 17:34:47,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 17:34:47,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 17:34:47,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 17:34:47,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 17:34:47,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 17:34:47,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 17:34:47,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 17:34:47,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 17:34:47,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 17:34:47,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 17:34:47,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 17:34:47,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 17:34:47,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 17:34:47,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 17:34:47,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 17:34:47,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 17:34:47,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 17:34:47,221 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 17:34:47,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 17:34:47,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 17:34:47,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 17:34:47,524 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 17:34:47,525 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 17:34:47,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/36-apron_17-traces-rpb-litmus_unknown_1_neg.yml/witness.yml [2024-06-20 17:34:47,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 17:34:47,672 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 17:34:47,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-20 17:34:48,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 17:34:49,074 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 17:34:49,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-20 17:34:49,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311e59cf3/02e3e5ba0d97416e9c2ecbb30ece8285/FLAG9dd594b6e [2024-06-20 17:34:49,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311e59cf3/02e3e5ba0d97416e9c2ecbb30ece8285 [2024-06-20 17:34:49,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 17:34:49,097 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 17:34:49,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 17:34:49,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 17:34:49,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 17:34:49,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 05:34:47" (1/2) ... [2024-06-20 17:34:49,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe7d63f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 05:34:49, skipping insertion in model container [2024-06-20 17:34:49,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 05:34:47" (1/2) ... [2024-06-20 17:34:49,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a6a1da8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 05:34:49, skipping insertion in model container [2024-06-20 17:34:49,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 05:34:49" (2/2) ... [2024-06-20 17:34:49,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe7d63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49, skipping insertion in model container [2024-06-20 17:34:49,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 05:34:49" (2/2) ... [2024-06-20 17:34:49,107 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 17:34:49,141 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 17:34:49,142 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ! multithreaded || ((((((0 <= g && 17 <= g) && g <= 42) && g <= 127) && g % 25 == 17) && g != 0) && (g == 17 || g == 42)) [2024-06-20 17:34:49,142 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-20 17:34:49,142 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-20 17:34:49,143 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 17:34:49,143 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 1; [2024-06-20 17:34:49,143 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-20 17:34:49,143 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] A_locked = 1; [2024-06-20 17:34:49,143 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 0; [2024-06-20 17:34:49,143 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-06-20 17:34:49,144 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] B_locked = 1; [2024-06-20 17:34:49,144 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-06-20 17:34:49,144 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-20 17:34:49,144 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 0; [2024-06-20 17:34:49,144 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-06-20 17:34:49,144 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] A_locked = 0; [2024-06-20 17:34:49,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 17:34:49,489 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 17:34:49,508 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-20 17:34:49,625 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 17:34:49,670 INFO L206 MainTranslator]: Completed translation [2024-06-20 17:34:49,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49 WrapperNode [2024-06-20 17:34:49,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 17:34:49,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 17:34:49,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 17:34:49,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 17:34:49,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,736 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-06-20 17:34:49,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 17:34:49,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 17:34:49,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 17:34:49,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 17:34:49,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,778 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-20 17:34:49,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 17:34:49,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 17:34:49,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 17:34:49,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 17:34:49,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (1/1) ... [2024-06-20 17:34:49,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 17:34:49,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 17:34:49,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-20 17:34:49,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-20 17:34:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-20 17:34:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 17:34:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-20 17:34:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-20 17:34:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 17:34:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 17:34:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-20 17:34:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-20 17:34:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 17:34:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 17:34:49,873 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 17:34:49,983 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 17:34:49,985 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 17:34:50,157 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 17:34:50,158 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 17:34:50,312 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 17:34:50,312 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-20 17:34:50,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 05:34:50 BoogieIcfgContainer [2024-06-20 17:34:50,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 17:34:50,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 17:34:50,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 17:34:50,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 17:34:50,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 05:34:47" (1/4) ... [2024-06-20 17:34:50,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e7de5c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 05:34:50, skipping insertion in model container [2024-06-20 17:34:50,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 05:34:49" (2/4) ... [2024-06-20 17:34:50,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e7de5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 05:34:50, skipping insertion in model container [2024-06-20 17:34:50,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 05:34:49" (3/4) ... [2024-06-20 17:34:50,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e7de5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 05:34:50, skipping insertion in model container [2024-06-20 17:34:50,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 05:34:50" (4/4) ... [2024-06-20 17:34:50,321 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i [2024-06-20 17:34:50,337 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 17:34:50,337 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-20 17:34:50,337 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 17:34:50,363 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-20 17:34:50,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 31 transitions, 66 flow [2024-06-20 17:34:50,431 INFO L124 PetriNetUnfolderBase]: 1/30 cut-off events. [2024-06-20 17:34:50,431 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 17:34:50,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 30 events. 1/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-06-20 17:34:50,434 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 31 transitions, 66 flow [2024-06-20 17:34:50,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-20 17:34:50,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 17:34:50,461 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;@d090ae7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 17:34:50,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-20 17:34:50,468 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 17:34:50,469 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-20 17:34:50,469 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 17:34:50,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 17:34:50,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-20 17:34:50,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-20 17:34:50,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 17:34:50,479 INFO L85 PathProgramCache]: Analyzing trace with hash 241601140, now seen corresponding path program 1 times [2024-06-20 17:34:50,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 17:34:50,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772026600] [2024-06-20 17:34:50,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 17:34:50,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 17:34:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 17:34:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 17:34:50,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 17:34:50,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772026600] [2024-06-20 17:34:50,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772026600] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 17:34:50,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 17:34:50,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-20 17:34:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457829510] [2024-06-20 17:34:50,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 17:34:50,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 17:34:50,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 17:34:51,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 17:34:51,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 17:34:51,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 31 [2024-06-20 17:34:51,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 17:34:51,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 17:34:51,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 31 [2024-06-20 17:34:51,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 17:34:51,072 INFO L124 PetriNetUnfolderBase]: 6/26 cut-off events. [2024-06-20 17:34:51,072 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-20 17:34:51,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 26 events. 6/26 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 6 based on Foata normal form. 7/32 useless extension candidates. Maximal degree in co-relation 42. Up to 21 conditions per place. [2024-06-20 17:34:51,074 INFO L140 encePairwiseOnDemand]: 29/31 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2024-06-20 17:34:51,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 47 flow [2024-06-20 17:34:51,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 17:34:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 17:34:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-20 17:34:51,084 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4946236559139785 [2024-06-20 17:34:51,086 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 46 transitions. [2024-06-20 17:34:51,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 47 flow [2024-06-20 17:34:51,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 46 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-20 17:34:51,090 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-20 17:34:51,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-06-20 17:34:51,095 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-20 17:34:51,095 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-20 17:34:51,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 17:34:51,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-20 17:34:51,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-20 17:34:51,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 17:34:51,099 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-20 17:34:51,110 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 17:34:51,110 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 17:34:51,120 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-20 17:34:51,121 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-20 17:34:51,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 05:34:51 BasicIcfg [2024-06-20 17:34:51,123 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 17:34:51,123 INFO L158 Benchmark]: Toolchain (without parser) took 2026.19ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 72.4MB in the beginning and 143.4MB in the end (delta: -70.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 17:34:51,124 INFO L158 Benchmark]: Witness Parser took 1.59ms. Allocated memory is still 151.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 17:34:51,125 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 17:34:51,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.88ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 72.3MB in the beginning and 153.5MB in the end (delta: -81.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-06-20 17:34:51,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.17ms. Allocated memory is still 201.3MB. Free memory was 153.5MB in the beginning and 151.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-20 17:34:51,128 INFO L158 Benchmark]: Boogie Preprocessor took 65.68ms. Allocated memory is still 201.3MB. Free memory was 151.4MB in the beginning and 149.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-20 17:34:51,129 INFO L158 Benchmark]: RCFGBuilder took 505.55ms. Allocated memory is still 201.3MB. Free memory was 149.1MB in the beginning and 117.8MB in the end (delta: 31.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-06-20 17:34:51,129 INFO L158 Benchmark]: TraceAbstraction took 807.95ms. Allocated memory is still 201.3MB. Free memory was 117.8MB in the beginning and 143.4MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 17:34:51,136 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 1.59ms. Allocated memory is still 151.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.88ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 72.3MB in the beginning and 153.5MB in the end (delta: -81.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.17ms. Allocated memory is still 201.3MB. Free memory was 153.5MB in the beginning and 151.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.68ms. Allocated memory is still 201.3MB. Free memory was 151.4MB in the beginning and 149.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 505.55ms. Allocated memory is still 201.3MB. Free memory was 149.1MB in the beginning and 117.8MB in the end (delta: 31.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 807.95ms. Allocated memory is still 201.3MB. Free memory was 117.8MB in the beginning and 143.4MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-20 17:34:51,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE