./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_24-multiple-protecting_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/goblint-regression/13-privatized_24-multiple-protecting_true.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_24-multiple-protecting_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 06:40:38,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 06:40:38,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 06:40:38,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 06:40:38,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 06:40:38,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 06:40:38,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 06:40:38,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 06:40:38,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 06:40:38,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 06:40:38,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 06:40:38,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 06:40:38,299 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 06:40:38,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 06:40:38,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 06:40:38,300 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 06:40:38,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 06:40:38,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 06:40:38,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 06:40:38,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 06:40:38,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 06:40:38,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 06:40:38,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 06:40:38,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 06:40:38,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 06:40:38,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 06:40:38,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 06:40:38,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 06:40:38,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 06:40:38,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 06:40:38,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:40:38,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 06:40:38,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 06:40:38,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 06:40:38,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 06:40:38,306 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 06:40:38,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 06:40:38,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 06:40:38,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 06:40:38,307 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 06:40:38,307 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 06:40:38,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 06:40:38,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 06:40:38,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 06:40:38,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 06:40:38,602 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 06:40:38,603 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 06:40:38,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_24-multiple-protecting_true.yml/witness.yml [2024-09-23 06:40:38,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 06:40:38,711 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 06:40:38,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-09-23 06:40:40,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 06:40:40,403 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 06:40:40,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-09-23 06:40:40,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/04d706c69/5fee137a36a44301aafbbf40da315e80/FLAG35d8fe12b [2024-09-23 06:40:40,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/04d706c69/5fee137a36a44301aafbbf40da315e80 [2024-09-23 06:40:40,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 06:40:40,431 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 06:40:40,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 06:40:40,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 06:40:40,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 06:40:40,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:40:38" (1/2) ... [2024-09-23 06:40:40,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c9dd39 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:40:40, skipping insertion in model container [2024-09-23 06:40:40,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:40:38" (1/2) ... [2024-09-23 06:40:40,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38ae468a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 06:40:40, skipping insertion in model container [2024-09-23 06:40:40,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:40:40" (2/2) ... [2024-09-23 06:40:40,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c9dd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:40, skipping insertion in model container [2024-09-23 06:40:40,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 06:40:40" (2/2) ... [2024-09-23 06:40:40,538 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 06:40:40,539 INFO L1541 ArrayList]: Location invariant before [L707-L707] (! multithreaded || 0 <= g2) && (! multithreaded || 0 <= g1) [2024-09-23 06:40:40,540 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 06:40:40,540 INFO L1541 ArrayList]: ghost_variable mutex2_locked = 0 [2024-09-23 06:40:40,540 INFO L1541 ArrayList]: ghost_variable __global_lock_locked = 0 [2024-09-23 06:40:40,540 INFO L1541 ArrayList]: ghost_variable mutex1_locked = 0 [2024-09-23 06:40:40,540 INFO L1541 ArrayList]: ghost_update [L718-L718] mutex2_locked = 0; [2024-09-23 06:40:40,541 INFO L1541 ArrayList]: ghost_update [L689-L689] __global_lock_locked = 0; [2024-09-23 06:40:40,541 INFO L1541 ArrayList]: ghost_update [L694-L694] mutex2_locked = 1; [2024-09-23 06:40:40,541 INFO L1541 ArrayList]: ghost_update [L707-L707] mutex1_locked = 1; [2024-09-23 06:40:40,541 INFO L1541 ArrayList]: ghost_update [L701-L701] mutex2_locked = 0; [2024-09-23 06:40:40,541 INFO L1541 ArrayList]: ghost_update [L698-L698] __global_lock_locked = 1; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L712-L712] __global_lock_locked = 1; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L722-L722] mutex1_locked = 0; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L710-L710] __global_lock_locked = 0; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L714-L714] __global_lock_locked = 0; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L721-L721] __global_lock_locked = 0; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L690-L690] __global_lock_locked = 1; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L692-L692] __global_lock_locked = 0; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L706-L706] multithreaded = 1; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L687-L687] __global_lock_locked = 1; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L695-L695] __global_lock_locked = 1; [2024-09-23 06:40:40,542 INFO L1541 ArrayList]: ghost_update [L697-L697] __global_lock_locked = 0; [2024-09-23 06:40:40,543 INFO L1541 ArrayList]: ghost_update [L719-L719] __global_lock_locked = 1; [2024-09-23 06:40:40,543 INFO L1541 ArrayList]: ghost_update [L717-L717] __global_lock_locked = 0; [2024-09-23 06:40:40,543 INFO L1541 ArrayList]: ghost_update [L708-L708] __global_lock_locked = 1; [2024-09-23 06:40:40,543 INFO L1541 ArrayList]: ghost_update [L711-L711] mutex2_locked = 1; [2024-09-23 06:40:40,543 INFO L1541 ArrayList]: ghost_update [L686-L686] mutex1_locked = 1; [2024-09-23 06:40:40,544 INFO L1541 ArrayList]: ghost_update [L693-L693] mutex1_locked = 0; [2024-09-23 06:40:40,544 INFO L1541 ArrayList]: ghost_update [L715-L715] __global_lock_locked = 1; [2024-09-23 06:40:40,544 INFO L1541 ArrayList]: ghost_update [L700-L700] __global_lock_locked = 0; [2024-09-23 06:40:40,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 06:40:40,765 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2024-09-23 06:40:40,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:40:40,993 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 06:40:41,031 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 [2024-09-23 06:40:41,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 06:40:41,127 INFO L204 MainTranslator]: Completed translation [2024-09-23 06:40:41,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41 WrapperNode [2024-09-23 06:40:41,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 06:40:41,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 06:40:41,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 06:40:41,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 06:40:41,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,179 INFO L138 Inliner]: procedures = 162, calls = 53, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 121 [2024-09-23 06:40:41,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 06:40:41,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 06:40:41,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 06:40:41,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 06:40:41,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 06:40:41,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 06:40:41,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 06:40:41,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 06:40:41,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (1/1) ... [2024-09-23 06:40:41,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 06:40:41,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:40:41,265 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) [2024-09-23 06:40:41,271 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 [2024-09-23 06:40:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 06:40:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 06:40:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-23 06:40:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-23 06:40:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 06:40:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 06:40:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 06:40:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 06:40:41,327 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 06:40:41,477 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 06:40:41,479 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 06:40:41,766 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 06:40:41,766 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 06:40:41,931 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 06:40:41,932 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 06:40:41,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:40:41 BoogieIcfgContainer [2024-09-23 06:40:41,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 06:40:41,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 06:40:41,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 06:40:41,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 06:40:41,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 06:40:38" (1/4) ... [2024-09-23 06:40:41,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1e902 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 06:40:41, skipping insertion in model container [2024-09-23 06:40:41,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 06:40:40" (2/4) ... [2024-09-23 06:40:41,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1e902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:40:41, skipping insertion in model container [2024-09-23 06:40:41,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 06:40:41" (3/4) ... [2024-09-23 06:40:41,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1e902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 06:40:41, skipping insertion in model container [2024-09-23 06:40:41,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 06:40:41" (4/4) ... [2024-09-23 06:40:41,957 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-09-23 06:40:41,977 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 06:40:41,977 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-23 06:40:41,977 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 06:40:42,044 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-23 06:40:42,099 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:40:42,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 06:40:42,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 06:40:42,103 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) [2024-09-23 06:40:42,105 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 [2024-09-23 06:40:42,138 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 06:40:42,150 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 06:40:42,157 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@1263c8df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 06:40:42,157 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-23 06:40:42,378 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-09-23 06:40:42,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash 96092651, now seen corresponding path program 1 times [2024-09-23 06:40:42,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:42,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413624198] [2024-09-23 06:40:42,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:43,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:43,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413624198] [2024-09-23 06:40:43,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413624198] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:43,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:43,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 06:40:43,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390261127] [2024-09-23 06:40:43,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:43,058 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:40:43,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:43,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:40:43,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-23 06:40:43,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:43,089 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:43,090 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-09-23 06:40:43,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:43,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:43,223 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 06:40:43,223 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-09-23 06:40:43,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1424976859, now seen corresponding path program 1 times [2024-09-23 06:40:43,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:43,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669875072] [2024-09-23 06:40:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:43,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:43,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:43,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669875072] [2024-09-23 06:40:43,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669875072] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:43,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:43,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 06:40:43,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34892336] [2024-09-23 06:40:43,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:43,545 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 06:40:43,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:43,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 06:40:43,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-23 06:40:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:43,549 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:43,550 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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) [2024-09-23 06:40:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:43,755 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 06:40:43,755 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-09-23 06:40:43,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:43,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1771098560, now seen corresponding path program 1 times [2024-09-23 06:40:43,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:43,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084745553] [2024-09-23 06:40:43,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:43,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:44,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:44,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084745553] [2024-09-23 06:40:44,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084745553] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:44,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:44,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 06:40:44,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387327869] [2024-09-23 06:40:44,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:44,101 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 06:40:44,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:44,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 06:40:44,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-23 06:40:44,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:44,106 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:44,107 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 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) [2024-09-23 06:40:44,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:44,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:44,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:44,575 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 06:40:44,576 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-09-23 06:40:44,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:44,576 INFO L85 PathProgramCache]: Analyzing trace with hash 703493766, now seen corresponding path program 2 times [2024-09-23 06:40:44,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:44,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236431213] [2024-09-23 06:40:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:44,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:44,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236431213] [2024-09-23 06:40:44,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236431213] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:44,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:44,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 06:40:44,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954067645] [2024-09-23 06:40:44,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:44,875 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 06:40:44,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:44,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 06:40:44,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-23 06:40:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:44,877 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:44,877 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-09-23 06:40:44,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:44,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:44,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:44,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:45,061 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-23 06:40:45,061 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-09-23 06:40:45,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:45,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2003079142, now seen corresponding path program 3 times [2024-09-23 06:40:45,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:45,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177361350] [2024-09-23 06:40:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:45,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:45,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:45,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177361350] [2024-09-23 06:40:45,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177361350] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:45,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:45,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 06:40:45,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096709350] [2024-09-23 06:40:45,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:45,243 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 06:40:45,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:45,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 06:40:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-23 06:40:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:45,246 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:45,247 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-09-23 06:40:45,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:45,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:45,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:45,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:45,456 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-23 06:40:45,456 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-09-23 06:40:45,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:45,458 INFO L85 PathProgramCache]: Analyzing trace with hash 449505085, now seen corresponding path program 1 times [2024-09-23 06:40:45,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:45,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499422169] [2024-09-23 06:40:45,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:45,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:45,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:45,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499422169] [2024-09-23 06:40:45,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499422169] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:45,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:45,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 06:40:45,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272620268] [2024-09-23 06:40:45,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:45,759 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 06:40:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:45,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 06:40:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-23 06:40:45,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:45,761 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:45,761 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 06:40:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 06:40:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:45,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:45,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:45,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:40:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:46,243 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-23 06:40:46,243 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-09-23 06:40:46,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 06:40:46,244 INFO L85 PathProgramCache]: Analyzing trace with hash 188751634, now seen corresponding path program 1 times [2024-09-23 06:40:46,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 06:40:46,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677540061] [2024-09-23 06:40:46,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 06:40:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 06:40:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 06:40:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 06:40:46,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 06:40:46,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677540061] [2024-09-23 06:40:46,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677540061] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 06:40:46,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 06:40:46,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 06:40:46,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886461415] [2024-09-23 06:40:46,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 06:40:46,420 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 06:40:46,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 06:40:46,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 06:40:46,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-09-23 06:40:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:46,421 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 06:40:46,421 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-09-23 06:40:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:40:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:46,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 06:40:46,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 06:40:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 06:40:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 06:40:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 06:40:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 06:40:46,728 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-23 06:40:46,729 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-09-23 06:40:46,729 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-09-23 06:40:46,729 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-09-23 06:40:46,730 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-09-23 06:40:46,731 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-23 06:40:46,732 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-23 06:40:46,740 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-09-23 06:40:46,745 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 06:40:46,747 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 06:40:46,750 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-23 06:40:46,751 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-23 06:40:46,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 06:40:46 BasicIcfg [2024-09-23 06:40:46,753 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 06:40:46,754 INFO L158 Benchmark]: Toolchain (without parser) took 6322.83ms. Allocated memory was 182.5MB in the beginning and 293.6MB in the end (delta: 111.1MB). Free memory was 111.7MB in the beginning and 181.6MB in the end (delta: -69.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-09-23 06:40:46,754 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:40:46,754 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 06:40:46,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.91ms. Allocated memory is still 182.5MB. Free memory was 111.7MB in the beginning and 124.7MB in the end (delta: -13.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-23 06:40:46,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.51ms. Allocated memory is still 182.5MB. Free memory was 124.7MB in the beginning and 122.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 06:40:46,755 INFO L158 Benchmark]: Boogie Preprocessor took 43.35ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 120.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 06:40:46,755 INFO L158 Benchmark]: RCFGBuilder took 708.49ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 76.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-23 06:40:46,756 INFO L158 Benchmark]: TraceAbstraction took 4818.53ms. Allocated memory was 182.5MB in the beginning and 293.6MB in the end (delta: 111.1MB). Free memory was 75.9MB in the beginning and 181.6MB in the end (delta: -105.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-23 06:40:46,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.91ms. Allocated memory is still 182.5MB. Free memory was 111.7MB in the beginning and 124.7MB in the end (delta: -13.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.51ms. Allocated memory is still 182.5MB. Free memory was 124.7MB in the beginning and 122.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.35ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 120.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 708.49ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 76.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4818.53ms. Allocated memory was 182.5MB in the beginning and 293.6MB in the end (delta: 111.1MB). Free memory was 75.9MB in the beginning and 181.6MB in the end (delta: -105.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3108, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 354, dependent conditional: 249, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2898, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2898, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3149, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 395, dependent conditional: 290, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3149, independent: 2754, independent conditional: 37, independent unconditional: 2717, dependent: 395, dependent conditional: 59, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3149, independent: 2754, independent conditional: 37, independent unconditional: 2717, dependent: 395, dependent conditional: 59, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1741, independent: 1597, independent conditional: 24, independent unconditional: 1573, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1741, independent: 1478, independent conditional: 0, independent unconditional: 1478, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 263, independent: 119, independent conditional: 24, independent unconditional: 95, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 263, independent: 119, independent conditional: 24, independent unconditional: 95, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 644, independent: 287, independent conditional: 55, independent unconditional: 232, dependent: 357, dependent conditional: 105, dependent unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3149, independent: 1157, independent conditional: 13, independent unconditional: 1144, dependent: 251, dependent conditional: 20, dependent unconditional: 231, unknown: 1741, unknown conditional: 63, unknown unconditional: 1678] , Statistics on independence cache: Total cache size (in pairs): 1741, Positive cache size: 1597, Positive conditional cache size: 24, Positive unconditional cache size: 1573, Negative cache size: 144, Negative conditional cache size: 39, Negative unconditional cache size: 105, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1377, Maximal queried relation: 7, Independence queries for same thread: 210, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 469, Number of trivial persistent sets: 469, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1676, independent: 1571, independent conditional: 0, independent unconditional: 1571, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3108, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 354, dependent conditional: 249, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2898, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2898, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3149, independent: 2754, independent conditional: 1183, independent unconditional: 1571, dependent: 395, dependent conditional: 290, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3149, independent: 2754, independent conditional: 37, independent unconditional: 2717, dependent: 395, dependent conditional: 59, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3149, independent: 2754, independent conditional: 37, independent unconditional: 2717, dependent: 395, dependent conditional: 59, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1741, independent: 1597, independent conditional: 24, independent unconditional: 1573, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1741, independent: 1478, independent conditional: 0, independent unconditional: 1478, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 263, independent: 119, independent conditional: 24, independent unconditional: 95, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 263, independent: 119, independent conditional: 24, independent unconditional: 95, dependent: 144, dependent conditional: 39, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 644, independent: 287, independent conditional: 55, independent unconditional: 232, dependent: 357, dependent conditional: 105, dependent unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3149, independent: 1157, independent conditional: 13, independent unconditional: 1144, dependent: 251, dependent conditional: 20, dependent unconditional: 231, unknown: 1741, unknown conditional: 63, unknown unconditional: 1678] , Statistics on independence cache: Total cache size (in pairs): 1741, Positive cache size: 1597, Positive conditional cache size: 24, Positive unconditional cache size: 1573, Negative cache size: 144, Negative conditional cache size: 39, Negative unconditional cache size: 105, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1377, Maximal queried relation: 7, Independence queries for same thread: 210 - PositiveResult [Line: 707]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 3 procedures, 102 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.2s, 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: 42, 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, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 1493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 06:40:46,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-23 06:40:46,989 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