./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 10:27:56,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 10:27:57,034 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 10:27:57,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 10:27:57,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 10:27:57,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 10:27:57,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 10:27:57,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 10:27:57,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 10:27:57,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 10:27:57,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 10:27:57,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 10:27:57,072 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 10:27:57,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 10:27:57,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 10:27:57,073 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 10:27:57,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 10:27:57,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 10:27:57,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 10:27:57,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 10:27:57,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 10:27:57,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 10:27:57,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 10:27:57,075 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 10:27:57,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 10:27:57,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 10:27:57,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 10:27:57,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 10:27:57,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 10:27:57,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 10:27:57,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:27:57,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 10:27:57,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 10:27:57,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 10:27:57,077 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 10:27:57,077 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 10:27:57,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 10:27:57,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 10:27:57,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 10:27:57,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 10:27:57,083 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 10:27:57,083 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 10:27:57,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-23 10:27:57,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 10:27:57,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 10:27:57,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 10:27:57,399 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 10:27:57,400 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 10:27:57,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.yml/witness.yml [2024-08-23 10:27:57,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 10:27:57,519 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 10:27:57,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-08-23 10:27:58,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 10:27:59,135 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 10:27:59,135 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-08-23 10:27:59,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d2cd68cea/a63c9e41e4a0466ea3f438c03b34b620/FLAGec855391c [2024-08-23 10:27:59,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d2cd68cea/a63c9e41e4a0466ea3f438c03b34b620 [2024-08-23 10:27:59,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 10:27:59,496 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 10:27:59,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 10:27:59,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 10:27:59,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 10:27:59,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:27:57" (1/2) ... [2024-08-23 10:27:59,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0595a7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:27:59, skipping insertion in model container [2024-08-23 10:27:59,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:27:57" (1/2) ... [2024-08-23 10:27:59,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5531dbba and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:27:59, skipping insertion in model container [2024-08-23 10:27:59,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:27:59" (2/2) ... [2024-08-23 10:27:59,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0595a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59, skipping insertion in model container [2024-08-23 10:27:59,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:27:59" (2/2) ... [2024-08-23 10:27:59,506 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-23 10:27:59,518 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 10:27:59,519 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 10:27:59,519 INFO L106 edCorrectnessWitness]: ghost_update [L785-L785] multithreaded = 1; [2024-08-23 10:27:59,552 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 10:27:59,708 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2024-08-23 10:27:59,871 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:27:59,886 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-23 10:27:59,918 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] Start Parsing Local [2024-08-23 10:27:59,965 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:27:59,997 INFO L206 MainTranslator]: Completed translation [2024-08-23 10:27:59,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59 WrapperNode [2024-08-23 10:27:59,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 10:27:59,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 10:27:59,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 10:27:59,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 10:28:00,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,041 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-08-23 10:28:00,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 10:28:00,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 10:28:00,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 10:28:00,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 10:28:00,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 10:28:00,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 10:28:00,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 10:28:00,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 10:28:00,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (1/1) ... [2024-08-23 10:28:00,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:28:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 10:28:00,112 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) [2024-08-23 10:28:00,116 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 [2024-08-23 10:28:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 10:28:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 10:28:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-23 10:28:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-23 10:28:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-23 10:28:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-23 10:28:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-08-23 10:28:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-08-23 10:28:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 10:28:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 10:28:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 10:28:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 10:28:00,170 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 10:28:00,307 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 10:28:00,309 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 10:28:00,429 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 10:28:00,430 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 10:28:00,507 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 10:28:00,507 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-23 10:28:00,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:28:00 BoogieIcfgContainer [2024-08-23 10:28:00,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 10:28:00,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 10:28:00,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 10:28:00,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 10:28:00,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:27:57" (1/4) ... [2024-08-23 10:28:00,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f797e1f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 10:28:00, skipping insertion in model container [2024-08-23 10:28:00,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 10:27:59" (2/4) ... [2024-08-23 10:28:00,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f797e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:28:00, skipping insertion in model container [2024-08-23 10:28:00,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:27:59" (3/4) ... [2024-08-23 10:28:00,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f797e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 10:28:00, skipping insertion in model container [2024-08-23 10:28:00,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 10:28:00" (4/4) ... [2024-08-23 10:28:00,514 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-08-23 10:28:00,532 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 10:28:00,532 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-23 10:28:00,532 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 10:28:00,565 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-23 10:28:00,596 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 10:28:00,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 10:28:00,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 10:28:00,598 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) [2024-08-23 10:28:00,598 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 [2024-08-23 10:28:00,633 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 10:28:00,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 10:28:00,661 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;@249d4551, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 10:28:00,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-23 10:28:00,829 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 10:28:00,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 10:28:00,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2110420406, now seen corresponding path program 1 times [2024-08-23 10:28:00,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 10:28:00,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443426836] [2024-08-23 10:28:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 10:28:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 10:28:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 10:28:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 10:28:01,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 10:28:01,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443426836] [2024-08-23 10:28:01,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443426836] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 10:28:01,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 10:28:01,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-23 10:28:01,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165498496] [2024-08-23 10:28:01,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 10:28:01,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 10:28:01,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 10:28:01,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 10:28:01,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-23 10:28:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:28:01,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 10:28:01,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-08-23 10:28:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:28:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 10:28:01,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 10:28:01,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-23 10:28:01,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 10:28:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash 746169747, now seen corresponding path program 1 times [2024-08-23 10:28:01,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 10:28:01,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706491555] [2024-08-23 10:28:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 10:28:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 10:28:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 10:28:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 10:28:01,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 10:28:01,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706491555] [2024-08-23 10:28:01,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706491555] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 10:28:01,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 10:28:01,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-23 10:28:01,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013128555] [2024-08-23 10:28:01,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 10:28:01,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-23 10:28:01,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 10:28:01,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-23 10:28:01,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-23 10:28:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:28:01,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 10:28:01,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-08-23 10:28:01,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 10:28:01,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 10:28:02,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 10:28:02,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-23 10:28:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-08-23 10:28:02,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-08-23 10:28:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-23 10:28:02,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-23 10:28:02,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 10:28:02,311 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-23 10:28:02,314 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-23 10:28:02,315 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-23 10:28:02,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 10:28:02 BasicIcfg [2024-08-23 10:28:02,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-23 10:28:02,321 INFO L158 Benchmark]: Toolchain (without parser) took 2825.10ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 136.3MB in the beginning and 166.7MB in the end (delta: -30.4MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2024-08-23 10:28:02,322 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 174.1MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:02,322 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:02,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.27ms. Allocated memory is still 174.1MB. Free memory was 135.6MB in the beginning and 110.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-23 10:28:02,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.34ms. Allocated memory is still 174.1MB. Free memory was 110.6MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 10:28:02,323 INFO L158 Benchmark]: Boogie Preprocessor took 38.47ms. Allocated memory is still 174.1MB. Free memory was 108.6MB in the beginning and 107.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 10:28:02,325 INFO L158 Benchmark]: RCFGBuilder took 425.01ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 125.6MB in the end (delta: -18.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-23 10:28:02,325 INFO L158 Benchmark]: TraceAbstraction took 1811.96ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 124.6MB in the beginning and 166.7MB in the end (delta: -42.1MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2024-08-23 10:28:02,329 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 0.23ms. Allocated memory is still 174.1MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.27ms. Allocated memory is still 174.1MB. Free memory was 135.6MB in the beginning and 110.6MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.34ms. Allocated memory is still 174.1MB. Free memory was 110.6MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.47ms. Allocated memory is still 174.1MB. Free memory was 108.6MB in the beginning and 107.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.01ms. Allocated memory is still 174.1MB. Free memory was 107.2MB in the beginning and 125.6MB in the end (delta: -18.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1811.96ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 124.6MB in the beginning and 166.7MB in the end (delta: -42.1MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5811, independent: 5657, independent conditional: 4883, independent unconditional: 774, dependent: 154, dependent conditional: 130, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5811, independent: 5657, independent conditional: 4883, independent unconditional: 774, dependent: 154, dependent conditional: 130, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5811, independent: 5657, independent conditional: 4883, independent unconditional: 774, dependent: 154, dependent conditional: 130, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6270, independent: 5657, independent conditional: 121, independent unconditional: 5536, dependent: 613, dependent conditional: 338, dependent unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6270, independent: 5657, independent conditional: 121, independent unconditional: 5536, dependent: 613, dependent conditional: 56, dependent unconditional: 557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6270, independent: 5657, independent conditional: 121, independent unconditional: 5536, dependent: 613, dependent conditional: 56, dependent unconditional: 557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 813, independent: 784, independent conditional: 10, independent unconditional: 774, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 813, independent: 766, independent conditional: 0, independent unconditional: 766, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 180, independent: 77, independent conditional: 26, independent unconditional: 51, dependent: 104, dependent conditional: 14, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6270, independent: 4873, independent conditional: 111, independent unconditional: 4762, dependent: 584, dependent conditional: 51, dependent unconditional: 533, unknown: 813, unknown conditional: 15, unknown unconditional: 798] , Statistics on independence cache: Total cache size (in pairs): 813, Positive cache size: 784, Positive conditional cache size: 10, Positive unconditional cache size: 774, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 282, Maximal queried relation: 2, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 963, Number of trivial persistent sets: 544, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 798, independent: 774, independent conditional: 0, independent unconditional: 774, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5811, independent: 5657, independent conditional: 4883, independent unconditional: 774, dependent: 154, dependent conditional: 130, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5811, independent: 5657, independent conditional: 4883, independent unconditional: 774, dependent: 154, dependent conditional: 130, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5811, independent: 5657, independent conditional: 4883, independent unconditional: 774, dependent: 154, dependent conditional: 130, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6270, independent: 5657, independent conditional: 121, independent unconditional: 5536, dependent: 613, dependent conditional: 338, dependent unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6270, independent: 5657, independent conditional: 121, independent unconditional: 5536, dependent: 613, dependent conditional: 56, dependent unconditional: 557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6270, independent: 5657, independent conditional: 121, independent unconditional: 5536, dependent: 613, dependent conditional: 56, dependent unconditional: 557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 813, independent: 784, independent conditional: 10, independent unconditional: 774, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 813, independent: 766, independent conditional: 0, independent unconditional: 766, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 180, independent: 77, independent conditional: 26, independent unconditional: 51, dependent: 104, dependent conditional: 14, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6270, independent: 4873, independent conditional: 111, independent unconditional: 4762, dependent: 584, dependent conditional: 51, dependent unconditional: 533, unknown: 813, unknown conditional: 15, unknown unconditional: 798] , Statistics on independence cache: Total cache size (in pairs): 813, Positive cache size: 784, Positive conditional cache size: 10, Positive unconditional cache size: 774, Negative cache size: 29, Negative conditional cache size: 5, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 282, Maximal queried relation: 2, Independence queries for same thread: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 69 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, 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: 13, 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, 0.5s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-23 10:28:02,355 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 [2024-08-23 10:28:02,557 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