./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/lazy01.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/protection-ghost/lazy01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i ./goblint.2024-08-20_10-08-36.files/protection-ghost/lazy01.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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.dk.goblint-eval-da67795-m [2024-08-26 19:30:47,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 19:30:47,117 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 19:30:47,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 19:30:47,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 19:30:47,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 19:30:47,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 19:30:47,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 19:30:47,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 19:30:47,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 19:30:47,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 19:30:47,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 19:30:47,139 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 19:30:47,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 19:30:47,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 19:30:47,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 19:30:47,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 19:30:47,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 19:30:47,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 19:30:47,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 19:30:47,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 19:30:47,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 19:30:47,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 19:30:47,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 19:30:47,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 19:30:47,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 19:30:47,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 19:30:47,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 19:30:47,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 19:30:47,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 19:30:47,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:30:47,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 19:30:47,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 19:30:47,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 19:30:47,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 19:30:47,146 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 19:30:47,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 19:30:47,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 19:30:47,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 19:30:47,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 19:30:47,147 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 19:30:47,149 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 19:30:47,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 19:30:47,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 19:30:47,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 19:30:47,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 19:30:47,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 19:30:47,386 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 19:30:47,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2024-08-26 19:30:48,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 19:30:49,118 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 19:30:49,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2024-08-26 19:30:49,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/85e76989f/30a51384bd0446be8a47a7d87f9ed7df/FLAG6b0ef837f [2024-08-26 19:30:49,154 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/85e76989f/30a51384bd0446be8a47a7d87f9ed7df [2024-08-26 19:30:49,158 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 19:30:49,165 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 19:30:49,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/lazy01.yml/witness.yml [2024-08-26 19:30:49,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 19:30:49,220 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 19:30:49,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 19:30:49,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 19:30:49,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 19:30:49,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:30:49" (1/2) ... [2024-08-26 19:30:49,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19214dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:49, skipping insertion in model container [2024-08-26 19:30:49,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:30:49" (1/2) ... [2024-08-26 19:30:49,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c1ad94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:30:49, skipping insertion in model container [2024-08-26 19:30:49,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:30:49" (2/2) ... [2024-08-26 19:30:49,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19214dc8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49, skipping insertion in model container [2024-08-26 19:30:49,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:30:49" (2/2) ... [2024-08-26 19:30:49,236 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 19:30:49,291 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 19:30:49,291 INFO L1541 ArrayList]: Location invariant before [L733-L733] ! multithreaded || 0 <= data [2024-08-26 19:30:49,292 INFO L1541 ArrayList]: Location invariant before [L735-L735] ! multithreaded || 0 <= data [2024-08-26 19:30:49,292 INFO L1541 ArrayList]: Location invariant before [L734-L734] ! multithreaded || 0 <= data [2024-08-26 19:30:49,292 INFO L1541 ArrayList]: ghost_variable mutex_locked = 0 [2024-08-26 19:30:49,292 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 19:30:49,292 INFO L1541 ArrayList]: ghost_update [L708-L708] mutex_locked = 0; [2024-08-26 19:30:49,293 INFO L1541 ArrayList]: ghost_update [L713-L713] mutex_locked = 1; [2024-08-26 19:30:49,293 INFO L1541 ArrayList]: ghost_update [L720-L720] mutex_locked = 1; [2024-08-26 19:30:49,293 INFO L1541 ArrayList]: ghost_update [L725-L725] mutex_locked = 0; [2024-08-26 19:30:49,293 INFO L1541 ArrayList]: ghost_update [L732-L732] multithreaded = 1; [2024-08-26 19:30:49,293 INFO L1541 ArrayList]: ghost_update [L715-L715] mutex_locked = 0; [2024-08-26 19:30:49,293 INFO L1541 ArrayList]: ghost_update [L706-L706] mutex_locked = 1; [2024-08-26 19:30:49,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 19:30:49,610 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:30:49,622 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 [2024-08-26 19:30:49,709 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:30:49,743 INFO L206 MainTranslator]: Completed translation [2024-08-26 19:30:49,744 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49 WrapperNode [2024-08-26 19:30:49,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 19:30:49,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 19:30:49,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 19:30:49,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 19:30:49,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,777 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-08-26 19:30:49,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 19:30:49,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 19:30:49,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 19:30:49,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 19:30:49,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 19:30:49,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 19:30:49,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 19:30:49,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 19:30:49,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (1/1) ... [2024-08-26 19:30:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:30:49,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:30:49,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-26 19:30:49,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-26 19:30:49,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-26 19:30:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-26 19:30:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-26 19:30:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-26 19:30:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-26 19:30:49,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-26 19:30:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 19:30:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 19:30:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 19:30:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 19:30:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 19:30:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 19:30:49,897 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 19:30:49,997 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 19:30:49,998 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 19:30:50,153 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 19:30:50,153 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 19:30:50,284 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 19:30:50,284 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 19:30:50,284 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:30:50 BoogieIcfgContainer [2024-08-26 19:30:50,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 19:30:50,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 19:30:50,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 19:30:50,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 19:30:50,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:30:49" (1/4) ... [2024-08-26 19:30:50,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e658aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:30:50, skipping insertion in model container [2024-08-26 19:30:50,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:30:49" (2/4) ... [2024-08-26 19:30:50,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e658aed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 07:30:50, skipping insertion in model container [2024-08-26 19:30:50,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:30:49" (3/4) ... [2024-08-26 19:30:50,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e658aed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 07:30:50, skipping insertion in model container [2024-08-26 19:30:50,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:30:50" (4/4) ... [2024-08-26 19:30:50,297 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2024-08-26 19:30:50,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 19:30:50,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-26 19:30:50,316 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 19:30:50,367 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-26 19:30:50,415 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:30:50,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 19:30:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:30:50,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 19:30:50,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-26 19:30:50,480 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 19:30:50,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 19:30:50,500 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=PARTIAL_ORDER_FA, 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;@5bae72ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:30:50,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-08-26 19:30:50,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-08-26 19:30:50,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:30:50,618 INFO L85 PathProgramCache]: Analyzing trace with hash 48233747, now seen corresponding path program 1 times [2024-08-26 19:30:50,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:30:50,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122062880] [2024-08-26 19:30:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:30:50,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:30:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:30:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:30:50,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:30:50,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122062880] [2024-08-26 19:30:50,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122062880] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:30:50,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:30:50,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 19:30:50,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915104097] [2024-08-26 19:30:50,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:30:50,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-26 19:30:50,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:30:51,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-26 19:30:51,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-26 19:30:51,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:30:51,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:30:51,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-08-26 19:30:51,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:30:51,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 19:30:51,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-08-26 19:30:51,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-08-26 19:30:51,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-08-26 19:30:51,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-08-26 19:30:51,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-08-26 19:30:51,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-08-26 19:30:51,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 19:30:51,438 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-26 19:30:51,442 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 19:30:51,442 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 19:30:51,445 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-08-26 19:30:51,445 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-08-26 19:30:51,446 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:30:51 BasicIcfg [2024-08-26 19:30:51,447 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 19:30:51,448 INFO L158 Benchmark]: Toolchain (without parser) took 2227.94ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 93.6MB in the beginning and 149.0MB in the end (delta: -55.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-08-26 19:30:51,448 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:30:51,448 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:30:51,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.83ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 93.5MB in the beginning and 199.4MB in the end (delta: -105.9MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-08-26 19:30:51,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.70ms. Allocated memory is still 239.1MB. Free memory was 199.4MB in the beginning and 197.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:30:51,450 INFO L158 Benchmark]: Boogie Preprocessor took 20.06ms. Allocated memory is still 239.1MB. Free memory was 197.3MB in the beginning and 195.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:30:51,451 INFO L158 Benchmark]: RCFGBuilder took 485.57ms. Allocated memory is still 239.1MB. Free memory was 195.2MB in the beginning and 169.0MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-26 19:30:51,451 INFO L158 Benchmark]: TraceAbstraction took 1158.75ms. Allocated memory is still 239.1MB. Free memory was 169.0MB in the beginning and 149.0MB in the end (delta: 20.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-08-26 19:30:51,453 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.83ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 93.5MB in the beginning and 199.4MB in the end (delta: -105.9MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.70ms. Allocated memory is still 239.1MB. Free memory was 199.4MB in the beginning and 197.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.06ms. Allocated memory is still 239.1MB. Free memory was 197.3MB in the beginning and 195.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.57ms. Allocated memory is still 239.1MB. Free memory was 195.2MB in the beginning and 169.0MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1158.75ms. Allocated memory is still 239.1MB. Free memory was 169.0MB in the beginning and 149.0MB in the end (delta: 20.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2299, independent: 2184, independent conditional: 1505, independent unconditional: 679, dependent: 115, dependent conditional: 86, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2256, independent: 2184, independent conditional: 1505, independent unconditional: 679, dependent: 72, dependent conditional: 43, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2256, independent: 2184, independent conditional: 1505, independent unconditional: 679, dependent: 72, dependent conditional: 43, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2305, independent: 2184, independent conditional: 6, independent unconditional: 2178, dependent: 121, dependent conditional: 43, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2305, independent: 2184, independent conditional: 6, independent unconditional: 2178, dependent: 121, dependent conditional: 11, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2305, independent: 2184, independent conditional: 6, independent unconditional: 2178, dependent: 121, dependent conditional: 11, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 715, independent: 684, independent conditional: 2, independent unconditional: 682, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 715, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, independent: 99, independent conditional: 4, independent unconditional: 96, dependent: 73, dependent conditional: 8, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2305, independent: 1500, independent conditional: 4, independent unconditional: 1496, dependent: 90, dependent conditional: 9, dependent unconditional: 81, unknown: 715, unknown conditional: 4, unknown unconditional: 711] , Statistics on independence cache: Total cache size (in pairs): 715, Positive cache size: 684, Positive conditional cache size: 2, Positive unconditional cache size: 682, Negative cache size: 31, Negative conditional cache size: 2, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 43 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 603, Number of trivial persistent sets: 603, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 708, independent: 679, independent conditional: 0, independent unconditional: 679, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2299, independent: 2184, independent conditional: 1505, independent unconditional: 679, dependent: 115, dependent conditional: 86, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2256, independent: 2184, independent conditional: 1505, independent unconditional: 679, dependent: 72, dependent conditional: 43, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2256, independent: 2184, independent conditional: 1505, independent unconditional: 679, dependent: 72, dependent conditional: 43, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2305, independent: 2184, independent conditional: 6, independent unconditional: 2178, dependent: 121, dependent conditional: 43, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2305, independent: 2184, independent conditional: 6, independent unconditional: 2178, dependent: 121, dependent conditional: 11, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2305, independent: 2184, independent conditional: 6, independent unconditional: 2178, dependent: 121, dependent conditional: 11, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 715, independent: 684, independent conditional: 2, independent unconditional: 682, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 715, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 31, dependent conditional: 2, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, independent: 99, independent conditional: 4, independent unconditional: 96, dependent: 73, dependent conditional: 8, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2305, independent: 1500, independent conditional: 4, independent unconditional: 1496, dependent: 90, dependent conditional: 9, dependent unconditional: 81, unknown: 715, unknown conditional: 4, unknown unconditional: 711] , Statistics on independence cache: Total cache size (in pairs): 715, Positive cache size: 684, Positive conditional cache size: 2, Positive unconditional cache size: 682, Negative cache size: 31, Negative conditional cache size: 2, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 43 - PositiveResult [Line: 733]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 734]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 735]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 60 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 19:30:51,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-26 19:30:51,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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